Outside Dryer Vent On Roof

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.

Outside dryer vent on roof.

But we don t recommend it for two reasons. You can now replace the outer vent cover. Once you have done this turn off your dryer. Connect your dryer to its power sources and turn it on.

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. Vent dryers outside venting the dryer outside in cold weather wastes a lot of heat.

Cleaning lint buildup from roof vents is difficult and nesting birds and squirrels often find roof vent caps irresistible. Unlike the vents shown above left the dryerjack affects airflow by less than 01 water column inches of pressure. Dryerjacks are the first roof vents designed to meet the more stringent venting requirements of dryer exhaust systems.