Service Description HAPCO designs, installs, maintains, and repairs heating, ventilation and air conditioning (HVAC) equipment, HVAC ductwork, firefighting systems, and HVAC controls, including intelligent controls, central heating controls, air conditioning controls, pressure ventilation controls, HVAC zone controls and HVAC noise controls. HAPCO also installs industrial-grade chillers, boilers, and other mechanical systems. It’s also specialized in Laboratory Control Systems, Medical Gas Systems, Air compressors and Vacuum Pump Systems, as well as the installation, integration, maintenance, and commissioning of Building Management Systems (BMS) that controls the temperature, ventilation, lighting, power, fire, and security systems of a building. HAPCO is a leading contractor in designing and executing Plumbing networks for water, sewage, and wastewater treatment, including plumbing fixtures, plumbing equipment, and pipes.