Last updated: September 2026

When a central air conditioner stops cooling, the repair bill can range from a small service call to a major part replacement that costs thousands. The useful question isn’t just “What does AC repair cost?” It’s: what failed, what does the repair include, is the part under warranty, and does repairing still make sense given the system’s age and condition?

What Does AC Repair Usually Cost?

HomeGuide puts many central AC repairs at about $150 to $650, with a national average of about $360, while Angi’s 2026 data shows an average near $350. Major repairs can reach $2,500 or more. The spread is large because “AC repair” covers everything from clearing a clogged drain line to replacing a compressor.

A diagnostic or service call commonly costs about $75 to $200 before any repair work. Some companies credit that fee toward the repair if you approve it; others bill it separately. HomeGuide puts technician labor at about $75 to $150 per hour. Emergency, weekend, and peak-season calls often cost more.

Common AC Repairs and Typical Costs

Source: HomeGuide national cost data. Local prices vary. Compressor costs vary widely by guide and warranty status; out-of-warranty replacements often run about $1,800 to $2,800. See our AC compressor replacement cost guide for details.

Small electrical and drainage repairs usually land at the low end. Refrigerant leaks, blower motors, coils, and compressors push the bill much higher.

Quick, Safe Checks Before You Call

Some “AC problems” turn out to be simple settings or maintenance issues. Before scheduling a service call, it’s reasonable to check:

• Thermostat settings: set to “cool,” with the temperature below room temperature, and fresh batteries if it uses them.
• Air filter: a very dirty filter can restrict airflow and reduce cooling.
• Breaker: check whether the AC or furnace breaker has tripped. If it trips again after being reset once, leave it off and call a professional.

Why One AC Repair Quote Can Be Much Higher Than Another

• The diagnosis is different. One technician may find a failed electrical part; another may find that the electrical failure was caused by a bigger motor or compressor problem.
• Warranty status. A manufacturer parts warranty can cut the cost of an expensive part, but labor, refrigerant, and diagnostic fees may still apply.
• Refrigerant work. Opening the sealed refrigerant system adds recovery, evacuation, leak testing, and recharging.
• Difficult access. Equipment in a tight attic, crawlspace, or rooftop takes more labor.
• Emergency timing. After-hours, weekend, holiday, and peak-season service often costs more.
• More than one repair. Ask whether each item is needed to restore cooling or is an optional recommendation.

A Low Refrigerant Charge Isn’t Normal Maintenance

Homeowners are sometimes told the AC “just needs a little refrigerant.” That may restore cooling temporarily, but a central AC is a sealed system, and refrigerant doesn’t normally get used up. If the charge is low, there’s usually a leak.

Ask whether the technician found the leak, how it was diagnosed, and whether the quote includes repairing it rather than just adding refrigerant. Repeatedly recharging without fixing the cause can turn a smaller problem into an ongoing expense.

For existing R-410A systems, current EPA rules still allow you to maintain and repair your equipment throughout its useful life, including replacing major parts like a compressor, condensing unit, or indoor coil. The industry’s refrigerant transition doesn’t automatically mean your system has to be replaced. Older systems using R-22, however, can be expensive to recharge because that refrigerant is no longer produced in the U.S.

Does a Failed Part Mean You Need a New AC?

Not necessarily. A failed capacitor, contactor, thermostat, drain part, fan motor, or control board can be a reasonable repair on an otherwise dependable system. The decision gets harder when the repair involves a compressor, evaporator coil, repeated refrigerant leaks, or several major parts on an older system.

ENERGY STAR suggests considering replacement when an air conditioner is more than about 10 years old, especially if it needs frequent repairs, energy bills are rising, or comfort has declined. That doesn’t mean every 10-year-old AC should be replaced. It’s a reason to compare the repair cost with the system’s age, condition, efficiency, repair history, warranty status, and likely remaining life.

For comparison, many standard-to-midrange central AC replacements run about $5,000 to $12,500. See our guides to AC replacement cost and AC condenser replacement cost for full breakdowns.

Questions to Ask Before Approving an AC Repair

1. What exactly failed, and how did you confirm it?
2. Which part or parts are being replaced?
3. Is the failed part covered by a manufacturer warranty?
4. Does the estimate include labor, refrigerant, diagnostic fees, and materials?
5. If the system is low on refrigerant, where is the leak, and is fixing it included?
6. Will this restore normal operation, or are there other known problems?
7. Are any items optional upgrades rather than required repairs?
8. What warranty covers the repair labor and the new part?
9. Given my system’s age and condition, would you repair it or compare replacement? Why?
10. Could anything change the final price once the repair begins?

When a Second Opinion Is Worth It

• The repair estimate is in the high hundreds or thousands of dollars.
• You were told the compressor or evaporator coil has failed.
• The first recommendation jumps straight from a repair diagnosis to whole-system replacement.
• Two technicians gave you very different explanations for the same symptoms.
• The AC has had repeated major repairs in a short time.
• You’re being asked to replace several parts without a clear reason for each.

When comparing estimates, make sure both contractors are diagnosing the same failure and proposing the same repair. For major repairs, ask for the specific part or model being installed and whether it’s covered by a parts warranty. A lower quote isn’t automatically better if it doesn’t fix the cause.

AC Repair Cost: Frequently Asked Questions

What is the most common AC repair?

Capacitor replacements, clogged drain lines, and thermostat problems are among the most common, and they’re usually at the lower end of the cost range.

Is it worth repairing a 15-year-old AC?

It depends on the repair. A small, inexpensive fix may still make sense. A major repair like a compressor or coil on a 15-year-old system is worth comparing against a replacement quote, especially if it uses R-22 refrigerant.

Why is my AC running but not cooling?

Common causes include a dirty air filter, low refrigerant from a leak, a failed capacitor or fan motor, a frozen evaporator coil, or a compressor problem. A technician can diagnose the actual cause.

Does a home warranty cover AC repair?

Many home warranty plans cover some AC repairs, but coverage limits, exclusions, and service fees vary widely. Read your contract carefully and ask what’s covered before scheduling service.

The Bottom Line on AC Repair Cost

For planning, many central AC repairs cost about $150 to $650, while larger or more complex repairs can run $650 to $2,500 or more. Small electrical and drainage repairs usually land at the low end; refrigerant leaks, blower motors, coils, and compressors push the bill higher.

Before approving a large repair, make sure you understand what failed, whether the part is under warranty, what the estimate includes, and whether the repair makes financial sense for your system’s age and condition. The goal isn’t to pick the cheapest number. It’s to understand what you’re paying to fix and what that repair will accomplish.

Sources

• HomeGuide: AC Repair Cost
• HomeGuide: HVAC Repair, Service, and Maintenance Cost
• HomeGuide: AC Refrigerant Leak Repair Cost
• Angi: HVAC Repair Cost (2026 Data)
• ENERGY STAR: When Is It Time to Replace?
• U.S. EPA: Frequent Questions on the Phasedown of HFCs

House Care
Compass provides general educational information to help homeowners better understand repair and replacement decisions.
Cost figures are national planning estimates and will vary by location, home, and contractor. For advice about your
specific home or project, consult an appropriately qualified professional.

Last updated: September 2026

Trenchless sewer work can sound like the obvious choice: fix or replace the buried sewer line without digging a long trench through your yard, driveway, patio, or landscaping. Often, that reduced surface damage is the main advantage. But trenchless isn’t always the cheapest option, and not every damaged sewer line is a good candidate. This guide explains the costs, the two main methods, and how to tell whether trenchless makes sense for your home.

What Does “Trenchless” Actually Mean?

Trenchless is a broad term for sewer repair or replacement methods that avoid digging up the entire length of the pipe. The two most common residential methods are very different:

• Pipe bursting breaks apart the old pipe while pulling a new pipe into roughly the same path. It’s a true replacement.
• Cured-in-place pipe (CIPP) lining inserts a resin-soaked liner into the existing pipe and cures it in place, creating a new pipe inside the old one. It’s a rehabilitation of the existing line. ASTM maintains an industry standard (F2561) for one form of this kind of sewer lateral lining.

Contractors and cost guides sometimes lump both under “trenchless,” so make sure any estimate says exactly which method is being proposed.

How Much Does Trenchless Sewer Line Replacement Cost?

National cost guides show a wide range because trenchless projects vary a lot. HomeGuide places pipe bursting at about $60 to $200 per linear foot and CIPP lining at about $90 to $250 per linear foot. Angi’s 2026 data puts many projects at about $1,900 to $6,000, averaging around $2,900, and lists typical per-foot prices of about $135 to $150 for lining and $150 to $190 for bursting.

Trenchless Sewer Cost by Line Length

Source: Angi 2026 national cost data. Permits, camera inspection, and restoration may be extra.

These are planning ranges, not quotes. A short, accessible line with easy entry points is a very different project from a deep line running under a driveway or mature landscaping.

Trenchless vs. Traditional Excavation at a Glance

Why Trenchless Can Cost More per Foot but Less Overall

Traditional excavation may have a lower price for the pipe work in some cases, but the trench is only part of the bill. If a conventional replacement means tearing out and rebuilding a driveway, patio, walkway, retaining wall, or mature landscaping, restoration can add significantly to the final cost. Trenchless work may reduce those secondary costs because only limited access points are needed.

That’s why the best comparison isn’t price per foot. Compare the entire project: excavation, pipe work, permits, cleanup, and restoration.

Pipe Bursting: Cost and When It Makes Sense

With pipe bursting, a bursting head is pulled through the old pipe, fracturing it as it goes and pulling new pipe in behind it. National data commonly puts it at about $60 to $200 per linear foot. It can work well when the old line is badly deteriorated or cracked, too damaged for lining, but the general path of the existing sewer can still be used.

Pipe Lining (CIPP): Cost and When It Makes Sense

With CIPP lining, the contractor inserts a flexible, resin-coated liner into the old pipe, expands it against the pipe walls, and cures it into a new pipe-like structure. National guides commonly put it at about $90 to $250 per linear foot. Angi notes that sewer pipe liners are rated to last up to about 50 years.

Lining avoids removing the old pipe, but it depends on the existing pipe being suitable. A severely collapsed, badly deformed, or inaccessible line may need a different approach.

What Makes Trenchless Sewer Work More Expensive?

• Length: longer runs need more pipe or liner, labor, and equipment time.
• Pipe diameter: larger pipe can need more material and specialized equipment.
• Depth: deep lines make access pits, safety measures, and connections harder.
• Access: a usable cleanout and good entry and exit points simplify the job.
• Pipe condition: heavy roots, deformation, collapse, or offsets may need cleaning, prep, or a different method.
• Camera inspection: usually needed to confirm the method (see below).
• Permits and inspections: Angi notes permits can run up to about $1,000 depending on local requirements.
• Connections: tying into the house and the public sewer can add complexity.
• Surface restoration: trenchless reduces digging but doesn’t always eliminate it.

When Trenchless May Be Worth It

• The sewer line runs under a driveway, patio, walkway, or mature landscaping.
• The damaged line is long enough that trenching would substantially disturb the property.
• A camera inspection shows the pipe is suitable for bursting or lining.
• You want to reduce digging, cleanup, and restoration.
• The total trenchless quote is competitive once traditional restoration costs are included.

When Traditional Excavation May Be the Better Option

Trenchless isn’t a universal solution. Traditional excavation may be more practical when the line has a major collapse, severe alignment or sagging problems, difficult connections, or when direct access is needed to correct the pipe’s slope. It can also make sense when the pipe runs under open lawn where restoration is inexpensive. A method that avoids digging but doesn’t fix the actual problem isn’t a bargain.

Get a Camera Inspection Before Choosing a Method

Before choosing pipe bursting, lining, or excavation, the contractor needs to know what’s happening inside the line. A sewer camera can reveal cracks, roots, offsets, deformation, blockages, or collapse, and help locate the damage.

HomeGuide puts many sewer camera inspections at about $125 to $500 with cleanout access, and about $175 to $750 without one. A camera doesn’t guarantee one method is right, but it gives you far better evidence than choosing based on symptoms alone. If you’re still figuring out whether you have a sewer problem at all, see our guide to the signs of sewer line problems.

Questions to Ask Before Approving a Trenchless Estimate

1. What did the camera inspection show? Can I see the footage?
2. Are you proposing pipe bursting, CIPP lining, or another method?
3. Is this a true pipe replacement or a rehabilitation of my existing pipe?
4. Why is this method right for the condition of my line?
5. What length and diameter of pipe are included?
6. How many access pits or dig areas will be needed?
7. Are permits, inspections, camera work, cleaning, and final testing included?
8. What surface restoration is included, and what’s excluded?
9. How will connections at the house and public sewer be handled?
10. Will this method reduce the inside diameter of the pipe?
11. What happens if the pipe is in worse shape than expected?
12. What warranty covers the pipe or liner and the labor?

How to Compare Trenchless and Traditional Estimates

Don’t compare only the headline number. A traditional quote may look cheaper until driveway replacement, landscaping repair, hauling, and concrete work are added. A trenchless quote may cost more per foot but include much less restoration. Ask both contractors to break their estimates into the same categories: diagnosis, excavation or access, pipe work, permits, connections, cleanup, and restoration. That shows whether trenchless is saving money, saving disruption, or both.

For full sewer replacement pricing across all methods, see our guide to sewer line replacement cost.

Trenchless Sewer Replacement: Frequently Asked Questions

Is trenchless sewer replacement cheaper than digging?

Not always. It often costs more per foot, but it can cost less overall when the line runs under a driveway, patio, or landscaping that would be expensive to restore after digging.

How long does trenchless sewer replacement take?

Many residential trenchless jobs are completed in about a day or two, compared with several days for many open-trench projects. Pipe condition, length, permits, and access can extend the timeline.

How long does a trenchless sewer line last?

Angi notes that sewer pipe liners are rated to last up to about 50 years. New pipe installed by pipe bursting, often HDPE plastic, is generally expected to last for decades as well. Ask your contractor about the specific product and its warranty.

Does pipe lining make the pipe smaller?

Lining adds a thin layer inside the existing pipe, so it can slightly reduce the inside diameter. Ask the contractor how much and whether it affects flow for your line.

Does homeowners insurance cover trenchless sewer repair?

Standard policies often don’t cover sewer line damage from age, wear, or roots. Some insurers offer service line add-on coverage. Check your policy before work begins.

The Bottom Line on Trenchless Sewer Line Replacement Cost

For planning, trenchless sewer work commonly falls around $60 to $250 per linear foot. Pipe bursting often runs about $60 to $200 per foot, and CIPP lining about $90 to $250 per foot, with many projects totaling around $1,900 to $6,000.

Trenchless methods can reduce damage to yards, driveways, and landscaping, which can make the total project more attractive even when the pipe work costs more. Before approving a project, make sure you understand whether it’s a replacement or a rehabilitation, why that method fits your sewer’s condition, how much digging is still required, and exactly what restoration is included.

Sources

• HomeGuide: Sewer Line Repair and Replacement Cost
• Angi: Trenchless Sewer Line Replacement Cost (2026 Data)
• HomeGuide: Sewer Camera Inspection Cost
• ASTM International: F2561 Cured-in-Place Sewer Lateral Rehabilitation Standard

House Care
Compass provides general educational information to help homeowners better understand repair and replacement decisions.
Cost figures are national planning estimates and will vary by location, home, and contractor. For advice about your
specific home or project, consult an appropriately qualified professional.

Last updated: September 2026

When an HVAC technician says the condenser needs replacing, the price can sound close enough to a whole new system that it raises an obvious question: should you replace the outdoor unit, repair one part, or replace more of the AC system? This guide covers current costs, what drives the price, and how to decide.

What Is the AC Condenser?

In a typical split central air system, the outdoor unit is often called the condenser or condensing unit. Its job is to release outdoors the heat your system removed from inside the house.

The outdoor unit contains the condenser coil and usually also houses the compressor, fan, fan motor, capacitor, contactor, and other controls. The condenser coil and the compressor are different parts, even though both sit in the same cabinet. That matters, because replacing one failed part can cost much less than replacing the entire outdoor unit.

How Much Does AC Condenser Replacement Cost?

Angi’s 2026 data places full AC condenser replacement at about $1,300 to $6,100, with a national average near $2,900. HomeAdvisor reports that most homeowners pay roughly $2,500 to $5,000, also averaging about $2,900. HomeGuide lists about $1,200 to $4,200 for many out-of-warranty replacements and roughly $300 to $1,200 when the equipment is under warranty. The figures differ because each guide uses different project samples and assumptions.

AC Condenser Replacement Cost by Size

Source: Angi 2026 national cost data (materials and labor). Higher-efficiency or variable-speed units cost more.

Use these numbers as a budget, not a quote. A basic 1.5-ton single-stage unit is a very different project from a 5-ton high-efficiency system that needs electrical or refrigerant-line changes.

Condenser Coil vs. Full Condensing Unit vs. Other Parts

A quote to replace the condenser coil isn’t the same as a quote to replace the whole outdoor unit. And many outdoor-unit problems come from smaller parts. Here’s how typical costs compare:

Source: Angi 2026 national cost data. For compressor-specific pricing, which varies more widely by guide, see our AC compressor replacement cost guide.

If the coil is the only failed part and the rest of the outdoor unit is in good shape, a coil replacement may be an option. But if the compressor, fan, cabinet, or controls are also worn, or the equipment is older, replacing the whole outdoor unit may make more financial sense. That’s a diagnosis and comparison question the coil price alone can’t answer.

What Makes AC Condenser Replacement More Expensive?

• System size (tonnage): larger equipment costs more. The right size should match your home’s cooling needs and your indoor equipment.
• Efficiency (SEER2): higher-efficiency condensers cost more upfront and may need compatible indoor equipment or controls to reach their rated efficiency.
• Single-stage, two-stage, or variable-speed: more advanced equipment can cost substantially more and may need matched communicating controls.
• Warranty coverage: if the unit or a major part is still covered, you may mainly pay for labor, refrigerant, and materials.
• Refrigerant and compatibility: the new outdoor unit must work with the refrigerant and components in your existing system, which matters more during the shift away from R-410A.
• Electrical work: a new disconnect, breaker, wiring, or surge protection may be needed.
• Refrigerant lines: the existing line set may be reused, flushed, modified, or replaced.
• Labor and permits: Angi notes most jobs take about 3 to 6 hours, and permits may run roughly $250 to $400 depending on your area.

Can You Replace Just the Outdoor Condenser?

Sometimes, but the new unit has to work correctly with your indoor coil and the rest of the system. Manufacturers often recommend matched indoor and outdoor equipment because the pairing affects capacity, efficiency, refrigerant control, and warranty eligibility. A new outdoor unit paired with an incompatible indoor coil can cause performance problems and may not reach its advertised efficiency.

If a contractor recommends replacing only the condenser, ask: “How will this outdoor unit be matched to my existing indoor coil, and is the combination an approved or rated match?”

What the 2026 Refrigerant Rules Mean for Condenser Replacement

The refrigerant transition has caused a lot of confusion for homeowners with R-410A systems. EPA guidance says existing residential AC systems can continue to be used and repaired throughout their useful life, including replacing a major component such as a condensing unit or compressor. R-410A components can still be made and sold for servicing existing systems.

So a failed R-410A condenser doesn’t automatically force you to replace the whole system. However, if both the outdoor unit and the indoor coil are replaced together, the project can be treated as a new system under EPA rules, which can affect the options a contractor offers. In May 2026, the EPA also revised the rules so qualifying older inventory can continue to be installed until it runs out. The practical takeaway: ask exactly what refrigerant and equipment generation you’re being quoted.

Repair One Part or Replace the Condenser?

A condensing unit has several serviceable parts. A failed capacitor, contactor, fan motor, or even compressor doesn’t always require replacing the whole outdoor unit. A capacitor replacement, for example, often runs about $100 to $400, far less than a new condenser.

The decision changes when several expensive parts are failing, the unit is badly corroded, parts are hard to get, the equipment is near the end of its life, or the indoor equipment is also in poor shape. Ask the technician to identify the failed part and explain why repairing it is or isn’t practical before approving a full replacement.

Replace the Condenser or the Whole AC System?

This is often the most important financial question in the estimate.

Replacing only the outdoor unit can make sense when:

• The indoor coil and furnace or air handler are relatively new, compatible, and in good condition.
• Warranty coverage significantly lowers the condenser cost.

A full system replacement deserves a look when:

• The indoor coil or furnace/air handler is also old.
• The new outdoor unit can’t be properly matched to the existing indoor equipment.
• The system has a history of costly repairs.
• The price gap between condenser-only and a complete replacement is relatively small.

Many standard-to-midrange central AC replacements run about $5,000 to $12,500. See our guide to AC replacement cost for the full breakdown. Don’t compare a condenser-only quote with a whole-system quote as if they’re competing prices for the same job. Compare what’s being replaced, what stays, the warranties, the efficiency, and the likely condition of the equipment you keep.

Questions to Ask Before Replacing an AC Condenser

1. Which part actually failed: the condenser coil, compressor, fan, or the whole outdoor unit?
2. Can the failed part be repaired or replaced on its own?
3. What is the model and tonnage of the proposed outdoor unit?
4. Is it properly matched to my existing indoor coil and furnace or air handler?
5. What refrigerant does my current system use, and what does the replacement use?
6. Are you quoting a repair part for my existing system, or a new-system replacement?
7. Is any of the equipment still under a manufacturer warranty?
8. Does the quote include refrigerant work, line-set work, electrical changes, permits, startup, and disposal?
9. What parts and labor warranties apply?
10. If I replaced the whole AC system instead, what would the extra cost get me in age, efficiency, and warranty?

How to Compare Condenser Replacement Estimates

Two condenser quotes can differ by thousands of dollars without either being wrong. One contractor may be quoting a basic single-stage unit that works with your existing indoor coil. Another may include higher-efficiency equipment, a new indoor coil, electrical upgrades, a new line set, or a broader system replacement. Compare model numbers, capacity, SEER2 rating, refrigerant, which equipment is being replaced, warranties, labor, permits, and any electrical or refrigerant-line work.

If you’re considering high-efficiency equipment, note that the federal 25C tax credit ended for equipment installed after 2025, but your utility may still offer rebates. Ask your contractor which rebates the proposed unit qualifies for.

AC Condenser Replacement: Frequently Asked Questions

What’s the difference between the condenser and the compressor?

The condenser (or condensing unit) is the whole outdoor unit. The compressor is one part inside it that pressurizes the refrigerant. A compressor can often be replaced without replacing the entire condenser.

How long does it take to replace an AC condenser?

Angi notes most condenser replacements take about 3 to 6 hours. Waiting for equipment, permits, or electrical changes can add time.

How long does an AC condenser last?

Central AC equipment typically lasts roughly 10 to 20 years depending on climate, maintenance, and installation quality. Coastal salt air and heavy use can shorten that.

Can I replace an AC condenser myself?

No. Replacing a condenser involves handling refrigerant, which requires EPA Section 608 certification, plus high-voltage electrical work. Hire a licensed HVAC contractor.

The Bottom Line on AC Condenser Replacement Cost

For budgeting, roughly $1,300 to $6,100 is a reasonable national range for many full condensing-unit replacements, with a national average around $2,900. A coil-only or smaller component repair may cost much less.

The best decision comes from identifying what actually failed, then comparing the condenser-only option against the condition, compatibility, age, and warranty status of the rest of your system. If your system uses R-410A, current EPA rules still allow repairs, including replacing the condensing unit, so a condenser failure doesn’t automatically mean you need an entirely new system.

Sources

• Angi: How Much Does It Cost to Replace an AC Condenser? (2026 Data)
• HomeAdvisor: AC Condenser Replacement Cost
• HomeGuide: AC Condenser Replacement Cost
• Carrier: Understanding Your AC Condenser Unit
• Trane: AC Condenser Replacement Cost
• U.S. EPA: Frequent Questions on the Phasedown of HFCs
• U.S. EPA: Technology Transitions HFC Restrictions by Sector

House Care
Compass provides general educational information to help homeowners better understand repair and replacement decisions.
Cost figures are national planning estimates and will vary by location, home, and contractor. For advice about your
specific home or project, consult an appropriately qualified professional.

Last updated: September 2026

A roof inspection can be a relatively inexpensive way to find out whether your roof has a small repair problem, broader wear, storm damage, or signs that replacement may be getting closer. The price matters, but so does the scope: a free inspection that comes with a roofing estimate isn’t necessarily the same service as an independent, paid inspection with a written report.

How Much Does a Roof Inspection Cost?

National cost guides generally place a residential roof inspection at about $100 to $400 (HomeGuide). Angi’s 2026 data puts the national average at about $252, with most homeowners paying between $125 and $383.

Roof Inspection Cost by Type

Sources: Angi 2026 data and HomeGuide national cost data. Local prices vary.

These services aren’t interchangeable. An inspector visually checking a simple one-story asphalt roof is doing a different job than someone evaluating a steep multi-story roof with a drone or infrared camera. Local labor rates and common roof designs in your area also shift the price.

Why Some Roof Inspections Are Free

Roofing contractors often offer a no-charge inspection when you’re considering repair or replacement. In that case, the inspection is usually part of their estimating process. That can be useful: if you want to know what a roofer thinks needs fixing and what it might cost, a contractor inspection may answer that without a separate fee.

But a free, estimate-focused inspection isn’t automatically equivalent to an independent inspection. The scope may be narrower, the documentation may differ, and the contractor has a financial interest in the work that follows. If you need documentation for a home sale, insurance requirement, dispute, warranty issue, or an independent second opinion, confirm that the service you hire will provide the type of report you actually need.

What Does a Roof Inspection Usually Cover?

Scope varies, but recognized home-inspection standards commonly include visible roofing materials, drainage, flashing, skylights, chimneys, vents, and other roof penetrations. An inspector may look at:

• Roofing materials: missing, cracked, curled, or damaged shingles, tiles, or metal panels
• Flashing and penetrations: chimneys, skylights, vents, valleys, and places where the roof meets a wall
• Gutters and drainage: clogged or damaged gutters and spots where water collects
• Visible structural issues: sagging, unusual dips, or visible decking damage
• Signs of leaks: interior stains, damp materials, or water tracks
• Attic conditions (when safely accessible): moisture stains, wet decking, or ventilation problems

Will the Inspector Walk on the Roof?

Not necessarily. Industry standards don’t require an inspector to walk every roof. InterNACHI’s standards, for example, allow inspection from the ground or eaves and say an inspector isn’t required to walk on a roof that’s unsafe. Steep, fragile, wet, icy, or storm-damaged roofs may be inspected with binoculars, a ladder at the eaves, photos, or a drone instead. What matters is whether the method fits the roof, and whether the report explains any limitations.

Why the Attic Matters

The roof surface tells only part of the story. When the attic is safely accessible, it can reveal moisture stains, damp insulation, decking damage, ventilation issues, or water tracks you can’t see from outside. Not every inspection includes an attic review, and some decking damage stays hidden until the shingles come off. Ask before scheduling whether the attic is included, and if not, what the inspector will and won’t be able to evaluate.

What Makes a Roof Inspection Cost More?

• Roof size: larger roofs take longer to inspect and document.
• Pitch and height: steep or two- to three-story roofs need more time, equipment, or remote methods.
• Complexity: valleys, dormers, chimneys, skylights, and additions create more areas to check.
• Roofing material: slate, tile, wood shake, and metal may require different access or evaluation methods.
• Access limits: trees, locked or cramped attics, or unsafe conditions can complicate the job.
• Technology: drone photography and infrared imaging add cost.
• Documentation: a detailed report, certification, or insurer form may add to the fee.

Roof Inspection vs. Roof Certification

An inspection documents what the inspector observed. A certification is a separate document giving an opinion about the roof’s condition or remaining life for a specific purpose, such as a home sale or insurance requirement. HomeGuide notes that a roof generally needs roughly 2 to 5 years of remaining useful life to be certified. A certification is an opinion based on the inspection and its limits. It isn’t a guarantee the roof won’t leak.

If an insurer, lender, or buyer asked for the inspection, find out exactly what document they need before you schedule.

When Is a Paid, Independent Roof Inspection Worth It?

• You’re buying a home and want more roof detail than a general home inspection provides.
• You’ve received very different recommendations from roofers and want another opinion.
• You suspect storm damage but don’t know how extensive it is.
• You have a recurring leak that previous repairs haven’t fixed (see our guide to roof leak repair).
• An insurer, lender, buyer, or warranty provider requires specific documentation.
• You want a condition report before deciding whether to repair or replace an aging roof.

How Often Should You Have Your Roof Inspected?

Angi suggests a professional inspection about every two years in mild climates, and every year in areas with frequent high winds or heavy precipitation. It’s also smart to schedule one after a major storm, before buying or selling a home, and when your roof is approaching the end of its expected lifespan.

What Should a Roof Inspection Report Include?

A useful report should make the findings easy to understand. Look for:

• A description of the roof and the inspection method used
• Observed conditions and photos
• Areas that couldn’t be inspected, and why
• Signs of leaks or damage
• Recommendations for repair or further evaluation

If you’re using the report to compare repair and replacement quotes, it’s especially helpful when it separates observed defects from optional upgrades. HomeGuide notes that reports typically arrive within 1 to 2 days, and the inspection itself usually takes 45 minutes to a few hours.

Questions to Ask Before Hiring a Roof Inspector

1. What does the inspection fee include?
2. Will I receive a written report and photos?
3. Will you check the attic or underside of the roof deck if it’s safely accessible?
4. How will you inspect steep or inaccessible areas?
5. Is drone or infrared imaging included, optional, or unnecessary for my roof?
6. Will the report note limitations and areas you couldn’t evaluate?
7. Is this an independent inspection, a contractor estimate, or both?
8. If I need a certification or insurer form, is that included?
9. Are repair recommendations or cost estimates included, or separate?

Don’t Judge an Inspection by the Lowest Price

A $100 inspection and a $400 inspection may not be competing versions of the same service. One may be a basic visual check of an easy roof. The other may include an attic review, extensive photos, a formal report, drone imagery, or documentation for a specific transaction. Compare scope before price: what’s inspected, how hard-to-reach areas are handled, what you receive afterward, and whether the inspector is also trying to sell you the repair.

Once you know what your roof needs, our guides to roof repair cost and roof replacement cost can help you check whether the quotes you receive are reasonable.

Roof Inspection Cost: Frequently Asked Questions

How long does a roof inspection take?

Many inspections take about 45 minutes to a few hours depending on roof size and complexity, with a written report often delivered within 1 to 2 days.

Does a home inspection include the roof?

A general home inspection usually includes a visual check of the roof, but it may be less detailed than a roof-focused inspection, and the inspector may not walk the roof. If the roof is older or you have concerns, a dedicated roof inspection can add useful detail.

Are free roof inspections worth it?

They can be, especially if you want a repair or replacement estimate anyway. Just remember the contractor may also be selling the work. For an independent opinion or formal documentation, a paid inspection may be the better choice.

Does homeowners insurance pay for a roof inspection?

Usually not as routine maintenance. After a storm, your insurer may send its own adjuster to assess damage as part of a claim. Check your policy or ask your insurer.

The Bottom Line on Roof Inspection Cost

For planning, about $100 to $400 is a reasonable range for many stand-alone residential roof inspections, with a national average around $252. Simple physical inspections may cost less, while steep, complex, drone, or infrared inspections can cost more.

The more important question is what the inspection includes. A good inspection should help you understand the roof’s observed condition, the limits of the inspection, and what, if anything, deserves repair, further evaluation, or replacement consideration.

Sources

• HomeGuide: Roof Inspection Cost
• Angi: How Much Does a Roof Inspection Cost? (2026 Data)
• InterNACHI: Home Inspection Standards of Practice
• American Society of Home Inspectors: Standard of Practice
• OSHA: Roof Inspection Safety Guidance

House Care
Compass provides general educational information to help homeowners better understand repair and replacement decisions.
It does not inspect or diagnose specific roofs. For advice about your specific home or project, consult an appropriately
qualified professional.

Last updated: September 2026

Replacing a furnace is one of those projects where a national average is only a starting point. The final price depends on the type of furnace, how much heating your house needs, the efficiency level you choose, and whether the installation requires venting, duct, gas-line, or electrical changes. This guide covers current planning ranges, what drives the price, and what to ask before you sign.

What Does a New Furnace Usually Cost?

National cost guides show a wide range because “furnace replacement” can describe very different projects. HomeGuide reports about $3,500 to $7,500+ installed for many standard-efficiency replacements, with high-efficiency models reaching about $11,500. Angi reports a 2026 national average of about $4,814, with most projects between roughly $2,823 and $6,896.

Use these ranges to set a budget before you request estimates, not to decide what your project “should” cost before anyone has looked at your house.

Furnace Replacement Cost by Fuel Type

Source: HomeGuide national cost data. Fuel conversions, such as switching from oil to gas, add cost beyond these figures.

The Biggest Factors That Affect Furnace Replacement Cost

1. Furnace Type and Fuel Source

Equipment, venting, fuel connections, and installation requirements differ by fuel type, so prices vary a lot. If your estimate involves switching fuels rather than a like-for-like replacement, ask the contractor to separate the conversion work from the furnace price.

2. Furnace Size and Heating Load

A larger furnace generally costs more, but bigger isn’t automatically better. Equipment should be sized to the actual heating needs of your house, not square footage alone or the size of the old furnace. The Air Conditioning Contractors of America (ACCA) describes Manual J as the ANSI-recognized standard for residential load calculations, accounting for climate, insulation, windows, air leakage, and duct losses.

Ask: “How did you determine the furnace size you’re recommending?”

3. Efficiency Rating (AFUE)

Gas and oil furnace efficiency is measured by AFUE (Annual Fuel Utilization Efficiency). A higher AFUE means more of the fuel becomes usable heat. An 80% AFUE furnace turns about 80 cents of every fuel dollar into heat, while a 96% AFUE model turns about 96 cents into heat.

Higher-efficiency furnaces cost more upfront. Current pricing data puts 96%+ AFUE gas furnaces at roughly $7,500 to $12,000 installed before unusually complex changes. Don’t compare two quotes without comparing AFUE. An 80% furnace and a 96% furnace aren’t equivalent bids.

HomeGuide’s gas furnace data shows how both efficiency and size affect installed cost:

Source: HomeGuide gas furnace cost data. Home size is only a rough guide; the right furnace size should come from a load calculation.

4. Venting and Condensate Drainage

High-efficiency (condensing) gas furnaces often need different venting than older units, usually PVC pipe instead of a metal flue, and they produce water that must drain properly. If the new furnace can’t reuse the existing venting, cost goes up. Ask whether the proposal includes all venting, combustion-air, and condensate drainage work.

5. Ductwork and Airflow

A new furnace still relies on your ducts to deliver heat. If ducts are damaged, undersized, or poorly connected, the contractor may recommend changes. Not every replacement needs duct work, so ask what problem was found, whether the work is required for the new equipment, and how much of the price it accounts for.

6. Gas-Line, Electrical, and Controls

A replacement may need updates to gas piping, electrical connections, breakers, thermostats, or control wiring. These can add cost even on a straightforward swap, so the estimate should say clearly whether they’re included.

7. Access and Installation Difficulty

A furnace in an open utility room is easier to replace than one in a tight attic, crawlspace, or closet. Cramped spaces, platform changes, or venting reroutes add labor.

Why Two Furnace Quotes Can Be Thousands of Dollars Apart

A lower quote isn’t necessarily incomplete, and a higher quote isn’t necessarily better, but they may cover different equipment and work. One estimate may be a standard-efficiency furnace reusing most of the existing setup. Another may include a high-efficiency model, new venting, a thermostat upgrade, duct changes, permits, and disposal of the old unit.

A useful furnace estimate should list:

• Furnace brand, model, and heating capacity (BTUs)
• Fuel type and AFUE rating
• Labor for removal and installation
• Any venting, condensate, gas-line, or electrical work
• Thermostat and duct changes
• Permits, inspections, and disposal of the old furnace
• Manufacturer and labor warranty details

If one proposal is much cheaper, find the missing difference before assuming you’ve found a bargain.

Should You Replace the AC at the Same Time?

If your central air conditioner shares the furnace’s indoor blower and ductwork, some homeowners replace both together, especially when both are aging. It can simplify matching equipment and may save on combined labor. HomeGuide puts a combined furnace-and-AC replacement at roughly $10,500 to $18,500. If your AC is still relatively young and healthy, replacing only the furnace can make more sense. For AC pricing, see our guide to AC replacement cost.

Should You Repair the Furnace or Replace It?

A replacement quote often comes right after a breakdown or an expensive repair estimate. Age alone rarely decides it. ENERGY STAR suggests considering replacement when a furnace is more than about 15 years old, especially if it needs frequent repairs, energy bills are rising, or rooms aren’t staying comfortable.

Carrier cites a common guideline: when a major repair approaches about half the cost of a new furnace, replacement deserves a closer look. That’s a guideline, not a rule. A modest repair on a furnace in good condition can still make sense. Replacement is easier to justify when the furnace is older, repairs are frequent, a major part has failed, or the technician finds a safety or combustion problem.

Tax Credits and Rebates in 2026

The federal Energy Efficient Home Improvement Credit (Section 25C), which helped with qualifying high-efficiency furnaces, ended for equipment placed in service after December 31, 2025. If you’re replacing a furnace in 2026, don’t count on that credit.

Many gas and electric utilities and some state programs still offer rebates for high-efficiency equipment. Check your utility’s website or the ENERGY STAR rebate finder, and ask your contractor which rebates the proposed furnace qualifies for. Get that in writing.

What About the 95% Furnace Efficiency Rule?

You may hear that federal furnace rules are changing. In 2023, the U.S. Department of Energy finalized a standard that would require most new residential gas furnaces to reach 95% AFUE, with compliance set for late 2028. The rule has been challenged in court. In June 2026, the Supreme Court sent the case back to a federal appeals court for reconsideration, and DOE has proposed delaying implementation while litigation continues.

For homeowners, the practical takeaway is simple: the rule does not require a 95% furnace today. Both standard and high-efficiency gas furnaces can still be installed in 2026. Ask your contractor what efficiency level they’re proposing, why it fits your home, and what installation changes a higher-efficiency model would require. Because the rule’s future is uncertain, base your decision on your home’s needs and your budget, not on predictions about the rule.

Questions to Ask Before Replacing a Furnace

1. What exactly is included in this price?
2. What furnace model, capacity, and AFUE rating are you proposing?
3. How did you determine the heating capacity I need?
4. Does the installation need new venting or condensate drainage?
5. Will any gas-line or electrical work be required?
6. Does the duct system need changes? If so, why?
7. Are permits, inspections, and removal of the old furnace included?
8. What manufacturer and labor warranties apply?
9. Does this furnace qualify for any utility or state rebates?
10. What could change the final price after work begins?
11. If my current furnace can be repaired, how does that compare with replacing it?

Furnace Replacement: Frequently Asked Questions

How long does a furnace last?

Angi puts the average furnace lifespan at about 20 years, and many last longer with regular maintenance. ENERGY STAR suggests evaluating replacement once a furnace is about 15 years old, especially if it needs frequent repairs.

How long does furnace replacement take?

A straightforward like-for-like replacement is often done in a day. Fuel conversions, new venting, or duct changes can take longer.

Is a high-efficiency furnace worth it?

It depends on your climate, fuel prices, and how long you plan to stay. In colder areas with long heating seasons, the fuel savings from a high-efficiency furnace add up faster. Ask your contractor to estimate the difference in annual operating cost.

What size furnace do I need?

There’s no reliable square-footage shortcut. The right size depends on your climate, insulation, windows, and air leakage, and should come from a load calculation such as ACCA Manual J.

Is there a tax credit for a new furnace in 2026?

The federal 25C credit ended for equipment placed in service after December 31, 2025. Utility and state rebates may still be available in your area.

The Bottom Line on Furnace Replacement Cost

For planning, roughly $3,500 to $7,500+ is a useful range for many standard furnace replacements. Natural gas systems commonly land around $3,800 to $12,000, and high-efficiency models or complicated installations can reach about $12,000 or more.

The final price depends on much more than the furnace itself. Fuel type, heating capacity, efficiency, venting, ducts, gas or electrical work, permits, and access all change the project. Before approving a replacement, make sure you understand what equipment is being installed, how it was sized, what the estimate includes, and why any extra work is needed.

Sources

• Angi: How Much Does a New Furnace Cost? (2026 Data)
• HomeGuide: How Much Does a New Furnace Cost?
• HomeGuide: How Much Does a Gas Furnace Cost?
• Carrier: Furnace Repair vs. Replacement
• ENERGY STAR: When Is It Time to Replace?
• ENERGY STAR: Furnace Tax Credits
• ACCA: Manual J Residential Load Calculation
• ACHR News: 95% Furnace Efficiency Rule to Get New Hearing (2026)

House Care
Compass provides general educational information to help homeowners better understand repair and replacement decisions.
Cost figures are national planning estimates and will vary by location, home, and contractor. For advice about your
specific home or project, consult an appropriately qualified professional.