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.
The growing electricity demands being placed on the country’s century-old grid are resulting in an increased number of unexpected power outages across the U.S.
The "magic number" 1.08 is convenience factor. It is a bunch of math combined into one factor as a shortcut, although sometimes more precise calculation is better.