Condensing Unit Reviews Category Index

Boiler Pressure Problem

Boiler Pressure Problem - Hello, where I live, it’s mostly gas furnaces with air conditioners or heat pumps. My boiler just started causing problems with high pressure. I work in HVAC as a technician but do not have a lot of experience with hot water or steam boilers....

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Honeywell Zone Valve Problem

Honeywell Zone Valve Problem - I have a Honeywell zone valve (8043E). I have spent time trying to understand exactly how this valve works, and I am pretty close, except for one thing: the motor. When the thermostat makes, that causes the slow-motion motor to turn,...

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HVAC Random Tip Box

HVAC Tip - Some people refer to refrigerant as Freon. So when something is wrong with their HVAC system they say, “I have a Freon leak”. Freon is a name trademarked by Dupont for R-22. R-22 is being phased out because it contains chlorine. While Freon will soon be a thing of the past, the name Freon has found its way in our lexicon as a reference to refrigerant, any type of refrigerant.