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Cost guide

AC repair cost

Most AC repairs are small parts and quick fixes. A few are big enough to make replacement the better deal. Here is how to tell the difference.

  • Prices by part
  • What drives cost
  • When to replace

By the AC Heating Service editorial team · Updated November 9, 2026

AC repair cost

Typical AC repair prices

RepairTypical US range
Diagnostic / service call$75–$150 (often credited to the repair)
Run or start capacitor$120–$400
Contactor$150–$450
Condensate drain clearing / float switch$100–$350
Thermostat replacement (installed)$150–$500
Outdoor fan motor$300–$800
Indoor blower motor$400–$1,500 (variable-speed ECM motors cost more)
Refrigerant leak search and repair$200–$1,500+, plus refrigerant
Evaporator coil replacement$1,000–$3,000
Compressor replacement$1,500–$4,000+
About our numbers: price ranges on this site are rounded national planning figures drawn from published cost guides and typical contractor pricing. They are illustrative, not quotes. Region, season, equipment brand, efficiency, ductwork and access can move a real price well outside them.

What drives the price

  • Timing. Evenings, weekends and heat waves often carry higher rates.
  • Parts warranty. If a part is still under the manufacturer's warranty you usually pay labor only, so register new equipment.
  • Equipment type. Variable-speed systems use more expensive controls and motors.
  • Access. Attic air handlers and rooftop units take longer to work on.
Technician servicing an outdoor condenser
Many small repairs are found and fixed during a routine visit.

Refrigerant leaks

An AC doesn't use up refrigerant. If it is low, it is leaking. Topping up without finding the leak just postpones the problem. Federal rules require refrigerant work to be done by EPA Section 608 certified technicians. Older R-22 systems are especially costly to recharge because new R-22 is no longer produced in the US. See refrigerant changes.

Reading a repair quote

Ask for the failed part, the cause, labor and parts listed separately, warranty on the repair, and whether the part is covered by a manufacturer warranty. For anything over about $1,000 on a system older than 10 years, run the repair-or-replace calculator.

Frequently asked questions

Why is my AC repair so expensive in summer?

Demand peaks in heat waves, and after-hours rates apply. Non-urgent repairs and tune-ups are usually cheaper to schedule in spring.

Is a capacitor replacement worth it on an old unit?

Usually yes. It is a low-cost part, and a failed capacitor alone is not a sign the system is failing.

Can I add refrigerant myself?

No. Handling refrigerant requires EPA Section 608 certification, and topping up does not fix the leak.

Sources and further reading

  1. HomeGuide: AC repair cost
  2. U.S. EPA: Section 608 refrigerant management

Comfortable all year, without the guesswork

Use our guides to understand the problem, budget for the fix and talk to any contractor with confidence.

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