This is a very generic question to ask. I can't answer your question without more information from you. I have questions such as: Is it winter or summer and do you have an 80% or a 90% efficient gas...

It's a huge temptation to push that button, if you find one. You'll notice in my images that some pressure switches have buttons and others don't. The pressure switches that have no buttons are...

I have found this particular heat pump problem so many times I can't even count. It's easy to diagnose and it generally occurs in one of two ways. The heat pump is in the defrost modeThe heat...

Service ports are where technicians attach their gauges that measure the pressures in an air conditioner or heat pump. Schrader core valves that are inside these service ports can leak, even with...

The generic name for the brand name Freon is refrigerant. Several companies manufacture refrigerant such as DuPont (Freon), Mil-Spec Industries, MexiChem, and others. Your home's AC system is...

Everybody loves fresh air. At least everybody I've ever known any way. But before you turn off or block off that fresh air vent, gather round this here article and understand a little bit about why...