Triple T Heating, Cooling, Plumbing & Electrical Serves Utah & Washington Counties Since 1974. Established in 1974, Triple-T Plumbing, Heating & Air is a family-owned and operated business dedicated to serving its community in the area of heating and air conditioning, air quality services, and plumbing. With a commitment to customer satisfaction and over 40 years of hands-on experience, our team can be trusted with virtually any service challenge.