Sterling Heating, Ventilation and Air Conditioning Products

Indoor Products > Unit Heaters > Gas-Fired Unit Heaters/Duct Furnaces

Propeller Units

Indoor Products: Propeller Unit Heaters

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)
SF Series
GG Series
Shield™ (Model GF)

Blower Units

Indoor Products: Infrared Heaters

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.

Blower Unit Models
SC Series
TC Series

Duct Furnaces

Indoor Products: 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