The most common refrigerant used in air conditioning units will soon no longer be available for use and now experts are passing along tips to people in order to prepare for that change. The most ...

HOUSTON AC repairmen are working long hours, but you can do a few things to keep them at bay and stay cool at the same time. The hot weather has Tom Johnston working over time. This AC repairman say ...

Suction pressure, head pressure, subcooling, superheat, Delta T. Taking all five of these calculations into account on every service call is critical. Even if further diagnostic tests must be done to ...

It's always in the middle of a heatwave. Your AC hums to life, but instead of the icy rush you're craving, it pushes out a faint, lukewarm breeze. That's when the dread sets in. Is the unit failing?