AC Repair Cost: Common Fixes and Prices (2026)
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💰 Cost Breakdown
| Item | Low | Average | High |
|---|---|---|---|
| Diagnostic Service Call A technician visits, inspects the system, and identifies the problem. Most contractors charge a flat fee and credit it toward the repair. Expect 30–60 minutes on-site. | $75 | $125 | $200 |
| Capacitor Replacement The capacitor gives the compressor and fan motors a jolt of energy to start. A failed capacitor is one of the most common AC repairs — the system hums but won't start, or the fan runs slowly. Quick fix, usually under 30 minutes. | $120 | $200 | $350 |
| Contactor Replacement The contactor is an electrical relay that sends power to the compressor and condenser fan. Pitting and wear cause it to stick open (no cooling) or closed (compressor won't shut off). Simple swap, 20–40 minutes. | $120 | $200 | $350 |
| Refrigerant Recharge + Leak Repair Locating and repairing a refrigerant leak, then recharging the system to the correct level. Leak location determines cost — valve and fitting leaks are cheap; coil leaks require coil replacement. | $250 | $600 | $1,500 |
| Blower Motor Replacement The blower motor circulates air through your ductwork. When it fails, you get no airflow even though the compressor runs. Variable-speed blower motors cost significantly more than single-speed. | $300 | $600 | $1,200 |
| Evaporator Coil Replacement The indoor coil absorbs heat from your air. Coils fail from corrosion or refrigerant leaks. Replacement involves recovering refrigerant, removing the old coil, installing the new one, and recharging. A 4–6 hour job. | $800 | $1,500 | $2,500 |
| Compressor Replacement The compressor is the most expensive component. Replacement includes recovering old refrigerant, brazing in the new compressor, pulling a vacuum, recharging, and testing. See our detailed compressor cost guide for more. | $1,200 | $2,200 | $3,500 |
| Condensate Drain Clearing A clogged condensate drain causes water to back up, triggering a safety float switch that shuts off the system. Clearing the drain and pan is a quick, inexpensive fix. | $100 | $175 | $300 |
| Thermostat Replacement A faulty thermostat can cause short-cycling, no response, or incorrect temperature readings. Replacing a basic thermostat is simple; upgrading to a smart thermostat costs more for the device but installation labor is similar. | $100 | $250 | $500 |
Diagnostic Service Call
A technician visits, inspects the system, and identifies the problem. Most contractors charge a flat fee and credit it toward the repair. Expect 30–60 minutes on-site.
Capacitor Replacement
The capacitor gives the compressor and fan motors a jolt of energy to start. A failed capacitor is one of the most common AC repairs — the system hums but won't start, or the fan runs slowly. Quick fix, usually under 30 minutes.
Contactor Replacement
The contactor is an electrical relay that sends power to the compressor and condenser fan. Pitting and wear cause it to stick open (no cooling) or closed (compressor won't shut off). Simple swap, 20–40 minutes.
Refrigerant Recharge + Leak Repair
Locating and repairing a refrigerant leak, then recharging the system to the correct level. Leak location determines cost — valve and fitting leaks are cheap; coil leaks require coil replacement.
Blower Motor Replacement
The blower motor circulates air through your ductwork. When it fails, you get no airflow even though the compressor runs. Variable-speed blower motors cost significantly more than single-speed.
Evaporator Coil Replacement
The indoor coil absorbs heat from your air. Coils fail from corrosion or refrigerant leaks. Replacement involves recovering refrigerant, removing the old coil, installing the new one, and recharging. A 4–6 hour job.
Compressor Replacement
The compressor is the most expensive component. Replacement includes recovering old refrigerant, brazing in the new compressor, pulling a vacuum, recharging, and testing. See our detailed compressor cost guide for more.
Condensate Drain Clearing
A clogged condensate drain causes water to back up, triggering a safety float switch that shuts off the system. Clearing the drain and pan is a quick, inexpensive fix.
Thermostat Replacement
A faulty thermostat can cause short-cycling, no response, or incorrect temperature readings. Replacing a basic thermostat is simple; upgrading to a smart thermostat costs more for the device but installation labor is similar.
📊 Factors That Impact Cost
Type of Repair
High ImpactElectrical components (capacitors, contactors, relays) are cheap parts with quick labor. Sealed-system repairs (compressor, coils, refrigerant) involve expensive parts, specialized tools, and more labor hours.
System Age and Brand
Medium ImpactParts for older or discontinued models may require special ordering, adding $50–$200 and days of wait time. Premium brands (Trane, Lennox, Carrier) charge more for OEM parts than budget brands.
Time of Service
Medium ImpactEmergency and after-hours calls add $50–$150 to the service fee. Weekend and holiday rates are 1.5–2x the standard diagnostic fee. If your AC fails on a 100°F Saturday, expect premium pricing.
Refrigerant Type
Medium ImpactR-410A is standard and moderately priced. R-22 (pre-2010 systems) is phased out and costs 3–5x more per pound, adding $200–$1,000 to any repair involving refrigerant.
Local Labor Rates
Medium ImpactHVAC labor rates vary from $75–$125/hour in lower-cost markets to $125–$200/hour in major metro areas. This affects total repair cost, especially for multi-hour jobs like coil or compressor replacement.
💡 Money-Saving Tips
Schedule repairs during the off-season
HVAC contractors are busiest during heat waves and cold snaps. Scheduling a non-urgent repair in spring or fall often means faster service, lower prices, and no emergency surcharges. Some contractors offer 10–15% off-season discounts.
Ask for a diagnostic before authorizing repairs
Pay the diagnostic fee to get a clear picture of the problem before committing. A good technician explains what failed, why, and gives you a written estimate. This lets you compare quotes and avoid approving unnecessary work under pressure.
Keep up with preventive maintenance
Annual AC tune-ups ($100–$200) catch small problems before they become expensive failures. Cleaning the coils, checking refrigerant levels, and tightening electrical connections prevents the most common breakdowns.
Check warranty coverage before paying
Manufacturer parts warranties run 5–10 years on most components. Many homeowners forget they have coverage. Check your installation paperwork or look up the serial number on the manufacturer's website.
Get three quotes for any repair over $500
For major repairs, pricing can vary by 30–50% between contractors. Three written, itemized quotes give you leverage and clarity. Be wary of any contractor who pressures you to decide on the spot.