There perhaps is nothing more uncomfortable than being in a car on a hot summer day with warm air blowing out of the vents when the air-conditioning system is turned on. This could be occurring ...

Q: Is it possible for an HVAC technician to overfill an air-conditioning system with too much refrigerant (my system uses R-22)? For example, if the system needs two pounds, is it possible for the ...

The compressor lubricant in refrigeration and air conditioning systems has many important functions. Even though the refrigerant is the working fluid required for cooling, the lubricant or oil is ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

New solid-state air conditioners could change the way homes, apartments and office buildings are cooled, eliminating the need ...