About Us. Mercurio's Heating & Air Conditioning is a fast growing, heating, cooling, and electrical service company. With over 30years of operating history, we are one of the leading providers of HVAC services in Tacoma, Gig Harbor, Puyallup, and the surrounding areas. We provide top pay, medical insurance, 401k matching, paid holiday, sick leave and training. Hours. This position is for 40 hours/week. Your schedule would be as follows. Monday – ...