AC Repair FAQ — Allen, TX

The cost depends on what part failed, how old the system is, and whether refrigerant needs to be added. Replacing a capacitor is a much smaller job than replacing a compressor or an evaporator coil. There is no honest flat rate that covers every situation. Call for a free estimate.

Most repairs on a single failed part take one to three hours once the tech is on site. If a part needs to be ordered, that can add one to two days. During peak summer heat in July and August, expect some wait time because every contractor in Collin County is running full schedules.

The most common reasons are low refrigerant, a dirty evaporator coil, or a failing compressor. In Allen, the heavy clay soil shifts foundations slightly over time and can pull on the line set where refrigerant runs, causing slow leaks. A tech needs to put gauges on the system to know for sure.

Most homeowner's insurance policies do not cover AC repair from normal wear and tear. They may cover damage from a specific event like a lightning strike. Check your policy before assuming coverage. A home warranty is a separate product that sometimes covers HVAC components, but read the fine print on exclusions.

If the system is more than 15 years old and the repair costs more than half the price of a new unit, replacement usually makes more sense. A lot of homes in the Twin Creeks and Watters Creek neighborhoods have original units from the late 1990s that are at that point. A tech can help you compare the numbers.

Close all the blinds and curtains to block the sun. Move to the lowest floor of the house since heat rises. Turn off the AC system at the thermostat so you don't run a struggling unit and burn out more parts. If anyone in the home is elderly or very young, consider going somewhere air-conditioned until the repair is done.