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Power vent tankless water heater.
Direct vent units pull in air from outside the home or building and have two vents one for intake and one for exhaust.
A direct vent system typically results in lower water heating costs because the exhaust gases are vented vertically with no extra power required as is the case with the power vent water heater.
Indoor tankless water heaters draw in outside air.
When installed correctly both best direct energy tankless water heaters and best power vent tankless water heaters can offer you with best and most satisfying user experience.
Direct vent water heater when using a direct vent water heater water is heated by the heat of fuel combustion.
Tankless water heaters which are installed outside enable to provide free indoor area.
Tankless water heater venting can be a quick and affordable job if you plan it right.
In fact tankless water heaters save up to 16 square feet of space.
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Power vent water heaters have quickly become the standard for newly constructed homes equipped with built in fans that push the exhaust gas out of the vent through a powered fan.
Direct vent units attract outside air from the house or building while power vent units solely need an exhaust vent and should be installed in a larger area for receiving sufficient air amount for combustion.
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When many consumers learn that a gas powered tankless water heaters must be vented they immediately imagine costly and invasive carpentry work.
As for which exactly one is the best way to vent tankless water heater it depends either on your applications or on your using places.
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Power vent units use indoor air for combustion and simply vent the exhaust to the outside.
This configuration allows tankless units to fit in smaller spaces.
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Direct vent and power vent.
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Gas tankless water heaters don t have to use indoor air for combustion.
However this doesn t have to be the case and usually isn t.
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Because of their unique construction power vent water heaters are virtually impossible to backdraft.
Tankless water heaters can be vented in two ways.
Tankless water heaters are ventilated in two ways.