The sudden onset of COVID-19 catapulted IAQ into the spotlight. What will happen to IAQ enthusiasm when the pandemic fades?

Whether you’re the owner of an HVAC contracting company or a student at a tech school, take this quiz to find out how much you know about servicing equipment.

Service technicians should always remember that systematic troubleshooting is the only sure way to find the actual cause of any system problem.

There is a way to check the heat pump system charge on the airside that is quick and easy.

Occasionally while servicing refrigeration equipment, technicians may come across a system utilizing a water-cooled condenser instead of an air-cooled condenser.

I’m here to talk today about a problem we saw, how we solved it in a new way, and why more contractors should be considering the same.

When replacing an older mechanical temperature control, an option for some systems is to replace the older control with a newer electronic version.

Context can help professionals direct their attention to where duct leakage can best be addressed.

Any compressor that gets too hot or is overheated is subject to premature wear between its internal moving parts.

Popular high-efficiency boilers tend to be more expensive at installation, but lower utility bills pay customers back over time.