Sterling Heating, Ventilation and Air Conditioning Products
Indoor Products
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.
- Sterling Indoor Product Line Includes:
- Cabinet Blowers
- Gas-Fired Infrared Heaters
- Unit Heaters
Engineered Products
Sterling Engineered Product indirect fired make-up air systems are available in multiple configurations and vary depending on the specific application. Configurations are based on Standard and High CFM Blower cabinets that have been 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.
- Sterling Engineered Product Line Includes:
- Indoor Make-Up Air
- Rooftop Equipment
Direct-Fired Products
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.
- Direct-Fired Product Line:
- Model SDR
- Model SDFW
- Model SDFI
- Model SDFE

