How does a tech know the a/c compressor he or she is diagnosing is actually failed and that the problem is not a crankcase heater, condenser fan, or rubbed out wire? According to the contractors The ...

A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

One of the worst feelings as a homeowner with an HVAC system is when your central AC stops cooling. Take these steps to start ...

Like any appliance, air conditioners need a little TLC to deliver optimal performance. ACs that haven’t been kept in top-notch condition tend to struggle most. We asked air conditioner pros and ...

It’s 90 degrees outside. You get in your car and turn the air conditioner on, and only warm air blows out of the vents. You've got issues, but don't fret. There are a few basic things to check first.