The refrigerant is used as the medium which absorbs and removes heat from the space to be cooled and subsequently rejects that heat elsewhere. If it is turned off, turn it on and wait a few minutes for the air handler to engage. Subject: I…

More importantly he conducted himself in a friendly professional manner, as did the crew who put in my system. The room you say is cooler may be where the return air duct is located and just pulls the heat out of that room and not so much …