Venting A Tankless Water Heater Through The Roof

Tankless water heater venting through roof is not necessary.

Venting a tankless water heater through the roof.

Because tankless water heaters require pvc or special stainless steel piping as the vent material which is much more expensive than copper pex or cpvc a short venting run is better for both the heater itself as well as your savings so many. Condensation tankless water heaters minimize the value of the installation. Tankless water heaters allow for either horizontal venting out a side wall or up through the roof. Traditional tank gas water heaters vent through the roof using galvanized steel b vents because they work through natural draft allowing the hot exhaust air to rise up and out of the house.

An atmospheric venting system is less expensive in comparison to other venting systems. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. It is good to choose the option of atmospheric venting. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.

Downhill slope or condensate drain. Your vent should slope slightly downhill from the water heater s heat exchanger or be constructed with a condensate drain near the exhaust outlet. The standard galvanized vent from your old storage tank heater would quickly rust away if your tankless heater vented through it. Tankless water heater venting through roof is not necessary.

Tankless water heater venting can be a quick and affordable job if you plan it right. By contrast tankless water heaters vents can terminate on a side wall because their. Traditional gas tank water heater require venting through the roof. Storage tank propane water heaters vent through the roof using galvanized steel b vents because they work through natural draft allowing the hot exhaust air to rise up and out of the facility.

However this doesn t have to be the case and usually isn t. Tankless water heaters blow exhaust from the heater horizontally with the use of fans thereby permitting vents to end on a different position of your house. This takes in the air from the surroundings so it uses the inside air to vent with an exhaust leading out of the house. Atmospheric venting refers to a system in which exhaust from the water heater naturally rises out of the appliance s combustion chamber then travels up through a standard chimney style flue.

A power vent has the intake on the actual body of the tankless heater and not through a pipe or vent. By contrast tankless water heaters vents can terminate on a side wall because their. Tankless water heater venting style permits for multiple emission choices. Gas vs electric tankless water heater.