1. Home

Repairing a Central Air Conditioning System


1 of 7

Troubleshooting a Central Air Conditioning System
Repairing a Central Air Conditioning System

Central air conditioning system condensing unit and safety switch.

What happens when your central air conditioning system produces little to no cooling? This tutorial will show you how to troubleshoot and repair your air conditioning system so you can hopefully stay cool without a service call.

In the tutorial How Your Home Air Conditioning System Works you learn about the five main elements of a central air conditioning system: Refrigerant, Compressor, Condenser, Expansion Valve and Evaporator Coil. In addition there is the "brain" of your heating and cooling system called the thermostat which can also be an issue at times. Let’s take a look at some air conditioning problems and possible solutions.

If you have a window air conditioner, please see the tutorial Window Mounted Room Air Conditioner Troubleshooting for other tips.

Promotional Feature: View this video series to learn how to take good care of your house.

©2014 About.com. All rights reserved.