Sterling Heating, Ventilation and Air Conditioning Products
Indoor Products > Unit Heaters > Gas-Fired Unit Heaters/Duct Furnaces
Propeller Units
Propeller type unit heaters are typically utilized to heat large open areas. Units are designed to be installed a minimum of 8 feet high and are available with optional downturn nozzles to assist in directing the air to the floor. Propeller unit heaters should never be used with any type of discharge duct work. Available in sizes from 30 to 400 MBH.
- Propeller Unit Models
- TF (Tubular)
- Garage Guy (Model GG)
- QVEF
- QVSF
- Shield™ (Model GF)
Blower Units
Blower units are typically installed where discharge duct work is utilized or operating noise is an issue. Similar to the propeller type units except a centrifugal blower is used to over come the static pressure of the duct work.
Duct Furnaces
Duct Furnaces are utilized in applications where the airflow is provided by a separate air handler. Typically utilized in "built up" type system. A stainless steel heat exchanger is recommended for systems utilizing a cooling coil.
- Duct Furnace Models
- QVED and QVES
- QVSD


