CORRECT DIAGNOSIS: By understanding the causes behind air-side and refrigerant problems, technicians will be better equippied to quickly diagnose issues in an air conditioning system. September 9, ...

Air conditioning transformers are essential components for proper system function. They power the thermostat and regulate the current sent to it. That’s essential because a current that’s too high ...

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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.

Samantha Hunter is a professional copy editor who has worked with Ms. Magazine, Spin and VH1. She has also written for MarthaStewart.com, Essence.com, Esquire.com, GoodHousekeeping.com, RealSimple.com ...