Power Roof Vents Problems

Another would be backdrafting a water heater and putting carbon monoxide in the house.

Power roof vents problems.

After that a different level of thinking is required. I blogged about this earlier. The research concluded that if a powered attic ventilator will be used there must be a good air barrier between the living space and the attic. These are real problems from real houses that have really happened.

For proper ventilation both high and low vents should be installed. I used to think roof ventilation was the cure all for everything. By keeping your attic or roof cool and dry you will use less energy within your house to try and maintain a comfortable home without using external air conditioning equipment. Because solar attic fans operate with a lower power output they are unable to move as much air as some of the other options that are available.

I would look at a lot of problems and instantly point to insufficient roof ventilation as the cause and recommend more roof. There is no risk of problems such a rust and bearing wear an tear as well when comparing it to other motorized ventilation alternatives. Roof vents create an additional roof penetration essentially another place of vulnerability where leaks can occur. According to the article powered attic fans can create excess moisture structural problems and combustion safety in a home.

That means you will need to double up your investment in this area. Power vents shouldn t be used because they create more problems than they fix. In researching the topic of attic ventilation in the past i figured out the building code rules worked well for roof pitches up to 6 12. If you use the older style of roof vent to provide air circulation then you must install traps or blockage points that prevent them from nesting in your attic s insulation.

On paper the high vents are. One potential problem would be sucking moist moldy air up from the crawl space intothe house. Insufficient ventilation can lead to moisture problems during the winter and decreased energy efficiency during the summer but too much ventilation can be just as bad if not worse. Power attic ventilators can cause problems even without air conditioning.

Roof vents and power roof vents are made to work in conjunction with vented soffits so that outside air will replace superheated attic air during hot summer days. Radiant barrier stapled to underside of roof.