The difference is that a power vent water heater pulls in combustion air from the space around the appliance then uses a fan to propel the exhaust through the vent.
Why are direct vent water heaters so expensive.
But that s what it s all about.
A direct vent system pulls in.
It s also more circuitry so that the power goes off the water heater goes off and so on.
Well i don t know that they are so expensive.
These heaters obtain combustion air and vent discharge thru the same pipe and have a sealed combustion chamber all of which is reflected in the price question.
Why tankless gas water heaters the popularity of luxury bathrooms is growing and so is the demand for large volumes of low cost hot water.
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.
Exhaust gases are vented outdoors through a separate vent duct or through a separate chamber of the same pipe this requires a double wall vent duct.
However unlike direct vent options combustion fumes in both vent free options are vented inside the home which affect some people who are sensitive.
Power vent water heater.
Direrct vent water heaters are more expensive they can be located in areas that other water heaters cannot.
But many manufacturers now adopt concentric vents only.
Thus the using costs and venting costs are quite low.
Ok and what about a direct vent.
The rheem tankless provides a compact solution for a continuous supply of less expensive.
And unless you have a water heater that can gravity draft into a regular chimney then you need to have a forced draft water heater and that s why it s more expensive.
Compared to direct vent options vent free propane heaters are less expensive and offer greater installation flexibility since they don t require outdoor venting or access to an external wall.
Direct vent water heater when using a direct vent water heater water is heated by the heat of fuel combustion.
We have six kids so the hot water in the house doesn t last long running out of hot water and time before the cost of water heaters starts rising christianson made a quick decision i heard.
With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof.
Have to say i haven t looked recently.
Direct vent tankless water heaters require no extra power the exhaust gas is drawn out vertically through separate vent duct.
Direct vent water heaters.
One is for intake while the other for exhaust.