Sterling Unit Heaters and Duct Furnaces are a complete heat generating and distributing plant, equipped with automatic controls, and packaged in an attractive streamlined housing. Designed for ceiling mounting, they provide a convenient, low-cost method of heating stores, factories, warehouses and other large open areas comfortably.          Indoor Product Line >>

Indirect fired make-up air systems are available in multiple configurations, based on Standard and High CFM Blower cabinets designed to be mounted on a common heavy duty skid rail with up to three gas-fired duct furnaces. Other cabinets include downturn plenums, coil cabinets with factory installed coils, filtration cabinets and evaporative coolers. Multiple factory installed gas and air controls are available including: DDC control packages, electronic stage controllers, building pressurization controllers, and a variety of mixed air controllers.          Engineered Product Line >>

The Sterling Direct-Fired product line includes indoor and outdoor models that can provide up to 14 million BTU's and 100,000 CFM. Units are available with chilled water, DX (refrigerant) and evaporative cooling options.
Direct-Fired Product Line >>

Featured Product

Make Up Air 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.