Central AC Unit Repair Costs

The following section of the site contains common repair costs for central air conditioners. We include the price of the parts, the estimated repair time and the cost for part installation. (Time to install measured in hours) You may be able to buy repair parts at some of the big box stores like Home Depot or Lowes. In most cases an ac capacitor Home Depot is going to be the same brand as a Lowes ac capacitor. Regardless of where you buy repair parts yourself, assure the ratings and specifications are the same as the part being replaced.

Service Call, Parts, Time and Installation Cost

Repair Task
Part Cost
Install Time
Cost Installed
Troubleshooting Service Call *1-2 hours
Hourly Street Rate **$75-$150
Replace Circuit Breaker$25-$651 hr
Thermostat Replacement$80-$2201
Replacement AC Contactor$25-$751$110-$225
Air Conditioner Capacitor$25-$451$100-$225
Air Conditioner Circuit Board ***$40-$4751$145-$575
Repair Copper Lineset1-3
Replace Copper Lineset (30 foot insulated)$155-$3502-4$365-$625
Evaporator Coil Replacement Cost$250-$5502-4
TXV or Refrigerant Meter$25-$601-2$150-$250
Evaporator Drain Pan$25-$651-2$100-$225
Condensate Drain Line$25-$451-2$100-$195
Replace Condensate Pump$35-$751 hour$100-$165
Compressor Hard Start Kit$45-$751$100-$195
Compressor Replacement****$175-$6702-4$450-$1600
Outdoor Coil Replacement****$175-$4902-4$450-$1450
Condensing Unit Fan Motor$50-$2001-2$100-$325
Refrigerant Leak Detection *****$25-$451-3 hours$135-$225
R22 Refrigerant Recharge (3 pounds)$901 hour$210-$380
R410 Refrigerant Charge (3 pounds)$451 hour$95-$145

* AC Service call fees may be waived under special agreements.

** The hourly street rate for central air conditioner repair cost is the per-hour rate a contractor charges for repairs that do not involve parts. In most cases, these rates are already factored into the total cost of the repair and are not charged separately. The rate is a computed value based on time, general materials, and company overhead like the office, phones, gas, etc.

*** There are an endless number of manufacturer specific oem circuit boards for central air conditioners. The cost of the parts varies widely.

**** Higher cost central air conditioner repair prices should prompt you to request replacement estimates at the same time. (get free estimates for repair or replacement systems)

***** Finding leaks in a central air conditioner system is not an easy task. Companies will use dye packs or other tools like sniffers to locate leaks, but it can take several hours on systems with concealed parts. In many cases, when a slow leak cannot be immediately located, it’s an indication that the evaporator coil or lineset is the culprit. When that occurs, you should consider replacement if the unit is older than 8-10 years.