For refrigerant heating and cooling systems to work correctly and optimally, the refrigerant must be free of air, nitrogen, moisture, and contaminants. Therefore, before charging a system, it’s ...

A scare caused by an overheated component of the air conditioning system led authorities to briefly evacuate a building in the Cobb courthouse complex Thursday morning.

FOX CROSSING (WLUK) -- A second leak in the heating and cooling system in as many school days resulted in the brief evacuation of Neenah High School. According to a note to parents, the refrigerant ...

ROWLEY - A unknown odor forced an elementary school in Rowley to evacuate Tuesday morning. A HVAC leak turned out to be the cause of the odor at Pine Grove School, which has children from pre-K to ...