The 20k-40k Adjustable Output Tube Heater offers all the great features of a standard tube heater with the modulating adjustable output feature. You have the ability to adjust the BTU output of this tube heater, unlike many others that are either full on or off.
This heater will cover an area 14' x 12'or 168 sq. ft. to 24' x 26'or 624 sq. ft.
This unit is intended for a garage that is insulated with a minimum of an R-12 rating in the walls and roof. If garage is not insulated utilize the next larger model. When used in a garage that is not insulated it will consume more fuel and feel cooler than an insulated garage.
Thermostat and modulating control included.