Outside Dryer Vent On Roof

Unlike the vents shown above left the dryerjack affects airflow by less than 01 water column inches of pressure.

Outside dryer vent on roof.

Dryerjacks are the first roof vents designed to meet the more stringent venting requirements of dryer exhaust systems. 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. But we don t recommend it for two reasons. You can now replace the outer vent cover.

Run your dryer until no debris comes out of the outer vent making sure that the air flow is not restricted. Vent a dryer through the roof only as a last resort. 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. Vent dryers outside venting the dryer outside in cold weather wastes a lot of heat.

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. Once you have done this turn off your dryer. The warm moist air inside the vent tends to.