It’s easy to forget about your HVAC system—until it stops working and you find yourself baking in the summer heat or freezing in the winter cold. And the last thing you want to do is put yourself at ...

There are cases in which the best option for the customer includes changing a system’s direct expansion (DX) coils. This article includes guidelines to do the job efficiently and correctly, but ...

Heating, ventilation, and air-conditioning (HVAC) systems use sensors to regulate the operation of electromechanical equipment. Running this equipment usually consumes energy at a rate that represents ...

An HVAC pressure sensor is particularly important in the cooling cycle—which includes compression, condensation, expansion, and evaporation—where it helps regulate refrigerant flow. Proper airflow ...

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.