Refrigerant: Used in air conditioning systems and warmth pumps, the refrigerant transfers warmth outdoors to cool a building. Warmth pumps also use refrigerant to provide heat from the Winter season by extracting heat from the outside and transferring it indoors. Air Conditioning. Air conditioning retains us interesting and comfy in https://rowaneilps.wikiconversation.com/6722360/hvac_maintenance_services_no_further_a_mystery