They use a double pipe to draw in outdoor air for combustion and vent all the exhaust outside.
Direct vent room heaters.
Williams 22 000 btu hour direct vent furnace liquid propane gas 23 model 2203821 752 40.
Williams vented room console heaters deliver maximum efficiency low fuel consumption and quiet operation.
With a rinnai energysaver direct vent wall furnace you ll be as comfortable with your energy bill as you are with your room temperature.
Enclosed front and glass front fireplace look models available.
Out of stock online.
Dv 822 vinyl siding vent kit for dv 210 and dv 215 direct vent wall heaters.
The high efficiency models can exceed 80 efficiency with this design and other features.
Direct vent room heaters are completely sealed to the room.
Out of stock online.
Enjoy instant warmth with this universal heating system.
Portable heaters room heaters vent free heaters.
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These direct vent counterflow wall furnaces may be recessed between standard wall studs and can be installed on an outside wall.
With multiple models we have just the right size and configuration to complement your existing heating system.
Ashley hearth products 17 000 btu direct vent propane heater 11 model dvag17l 521 17.
Out of stock online.
Rinnai energysaver direct vent wall furnace.
Our technology uses only the exact amount of gas needed optimizing energy efficiency.
2303 blower accessory for 14000 btu wiliiams direct vent furnaces.
Williams 20 000 btu enclosed front liquid propane gas room heater.