As sub-zero temperatures and freezing rain move in, experts are urging homeowners to take extra steps to protect their HVAC systems from costly damage.

Let’s start with the basics. Water freezes at 32° F at sea level and atmospheric pressure. When any surface is below that temperature, and the air around it contains moisture, ice/frost will begin to ...

Many service technicians experience service calls where the compressor has both a low head pressure and a high suction pressure. Often, the refrigeration equipment is still running, but the product ...