Outside Dryer Vent On Roof

To make the dyer more efficient you can buy an inexpensive heat diverter and install it in the exhaust duct of electric dryers only not gas dryers you ll save about 50 worth of heat per load in the winter.

Outside dryer vent on roof.

Connect your dryer to its power sources and turn it on. Vent dryers outside venting the dryer outside in cold weather wastes a lot of heat. The warm moist air inside the vent tends to. Unlike the vents shown above left the dryerjack affects airflow by less than 01 water column inches of pressure.

Vent a dryer through the roof only as a last resort. Once you have done this turn off your dryer. Check with your appliance dealer or local building inspector for recommendations about the best roof vent cap to use. Run your dryer until no debris comes out of the outer vent making sure that the air flow is not restricted.

The problem with attics the attic is usually colder than the rest of the house during the winter and that can create a problem for a dryer vent. Considering that back pressure higher than 6 wci is generally recognized as inefficient you can see that venting through the roof with non dryer specific vents is immediately problematic. But we don t recommend it for two reasons.