Incorporated in 1970, Spaeth Inc. is a mechanical contracting company that installs plumbing, heating and air conditioning systems. The firm provides consulting services, such as energy audits, heat load calculations, as well as design build services for heating, ventilation and air conditioning (HVAC) systems. It also distributes and installs Energy Logic Waste Oil Heating Systems and infrared systems. Spaeth Inc. is a member of various organizations, such as The Unified Group, Professional Retail Store Maintenance (PRSM) and Plumbing-Heating-Cooling Contractors Association (PHCC). It is also an American Power Conversion Corp. (APC) certified firm.