Enthalpy? A Fancy Word for Heat! This program presents the important concepts of pressure enthalpy in a manner that will appeal to the service technician. Each refrigerant has its own properties and ...

Regular maintenance is more important than you think. Use it to your advantage and save on HVAC costs in the long run. Alexandra Jones is a CNET contributor who writes about food, farming, gardening, ...

Heating, ventilation and air conditioning systems, also known as HVAC, are an essential part of every commercial and residential building. Through heating, cooling and filtration, HVAC systems ...