Posted on 2/16/2012


When snow blankets your area, it creates many hazards. Dangerous roads, burst water pipes, and frozen trees and power lines are all common winter dangers. Snow can also clog the power vents on your roof. Most power vents are used to cool attics by venting hot air. Others are attached to power vent water heaters, which expel gas through an exhaust system as they heat a continuous supply of water.

Snow Covered Home With Dormers, Gabled Roof, Brick, Vinyl Siding

Snow Clogs in Power Vents

When a power vent attached to a water heater becomes clogged with snow, it will stop working. At that point, your only option is to wait for the snow to melt or clean out the snow yourself. If the vent is on the roof, then removing the snow from it may be dangerous. It is important to take action as soon as you realize the vent is clogged because carbon monoxide could potentially seep back into the home. Calling a plumbing and HVAC expert is the best way to address this problem safely.

Preventing Clogs

To avoid similar problems in the future, you can take measures to protect the power vent from snow. Screens and caps that fit the exterior vent that can help avert the snow from clogging the vent. If you live in an area that receives a lot of snow, it might be worth a try to move the power vent from the roof to the side of the house. The power vent solutions available to you will depend on your home’s plumbing layout and particular fixtures. Your plumber will be able to advise you on specific procedures.

Power vent water heaters are far more efficient than standard storage water heaters. If you’re interested about learning more about them, call (847) 549-9600 to speak to the plumbing professionals at Arrow Plumbing, Inc.