Fundamentals of HVACR

A few years ago Mike would have been annoyed to be asked to work on Christmas day. After more than a year without a steady job, he is please...

On December 14, EPA issued a final ruling approving 3 flammable hydrocarbon refrigerants for use in small domestic and commercial refrigerat...

Checking the refrigerant charge of a heat pump in cold weather can be confusing for many technicians, at least partly due to the many differ...

Once again, Thanksgiving is here and I have so much to be thankful for its hard to know where to start. My family is doing well, my children...

This week I would like to follow up on the 80% versus 90% debate. The primary argument for installing an 80% furnace is the lower cost of th...

The Federal Department of Energy, DOE, has issued a direct final ruling making on furnace and air conditioner efficiency. The regional effic...

The Georgia State Consortium of Air Conditioning Instructors met on October 25 at Southface in Atlanta. Southface is a non-profit agency d...