Combustion Air For Tankless Water Heater

Putting in a tankless water heater outside.

Combustion air for tankless water heater.

The exhaust gases and excess heat produced by your water heater are then vented back outdoors. Combustion air and gas for a clean burning flame combustion occurs. A direct vent water heater draws air for combustion from outside your home rather than inside. A direct vent water heater uses special coaxial venting that has separate chambers for intake air and exhaust in a single assembled vent piece.

The tankless gas water heater is installed outdoor takes the combustion air from outdoors exhausts the waste gas to outdoor. In decades past all combustion appliances for example gas fired water heaters furnaces and boilers took their combustion air from inside the house. You also need to think about the installation costs as well. Also the non condensing tankless unit must use a dedicated category iii approved stainless steel vent.

When placed in an unconfined area combustion air can simply be the air within your home. Facts about tankless water heater venting. Gas tankless water heaters don t have to use indoor air for combustion. 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.

The flame sensor located within the combustion chamber verifies that combustion has occurred. Where a gas tankless water heater can last 25 years or more electric usually have about a ten year lifespan expect to pay about 500 for a high quality electric tankless water heater while a gas burning tankless unit will cost 1000 or more the initial cost of the unit isn t the only thing you have to worry about. Tankless water heaters can be vented in two ways. Combustion air defects at heating boilers furnaces water heaters diagnose signs of inadequate combustion air for an oil or gas burner dangers of carbon monoxide poisoning if there is soot production at gas fired heating appliances inadequate combustion air can cause dangerous carbon monoxide gas in buildings combustion air safety check procedure for gas fired heating equipment how to test.

It s important to understand how combustion air will be delivered to your water heater and how much combustion air is needed. Product preservers anti scale filter is a better solution for tankless water heaters. Tankless water heaters require combustion air. Tankless water heaters which are installed outside enable to provide free indoor area.

Users can operate the gas tankless hot water heater with wired controller improving the safety of use.