Sterling has been a major producer of CSA certified Gas Fired and Hydronic Unit Heaters for over 40 years. High and Low Intensity Infrared, Rooftop Duct Furnaces, Evaporative Cooling Units, Packaged HVAC Rooftop and Indoor Make-Up Air Units, and a full line of Industrial Products enhance Sterling’s complete line of HVAC equipment.
Sterling HVAC Equipment designs and manufactures a complete line of Indoor Gas-Fired Make-Up Air equipment suitable for commercial, institutional and industrial applications. Our wide range of modular mechanical and electrical components allow custom unit selection in a standard package, providing outstanding versatility, performance and reliability you’ve come to expect from Sterling. The Sterling Indoor Make-Up Air Unit is a packaged air, heating and cooling system, suitable for heating, cooling, ventilating and makeup air applications.