Venting Microwave Into Attic

A microwave oven designed to be mounted over a cooktop is usually equipped with a ventilation system to cope with the cooking odors smoke and moisture that rise from the cooking surface.

Venting microwave into attic. She said the vent was in the attic and again she was right. How to install a vent from a vent hood to the attic through a cabinet. It appears when this house was built provision was made for venting out the rear of the microwave into the standard 2 4 wall up the cavity inside the wall then up through duct work in the attic through the roof. If round ducting also note the following.

Robert mertens 5 005 views. A rectangular to round transition adapter must be used. The duct must be the sizes listed above for proper draw of air. I would like to use that path to vent a new microwave.

The old microwave did not. Both smaller and larger vents than recommended decrease venting performance. Cut the hole in the ceiling duration. Install a stove vent into the attic.

A recirculating vent on the other hand simply sucks in the air from the microwave and recirculates it through a filter back into the kitchen. We discuss the importance of venting to the exterior choice of vent components and materials and we refer to microwave oven manufacturers installation instructions. The ventilation system may lead to an exterior vent or it may simply recirculate air back into the kitchen. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.

From where i viewed did not see any inside openings on the vent plimbing although i did not climb over to the vent and look on the backside. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. Microwaves cannot be ducted into a common duct work. If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it.

Some recirculating vents contain a charcoal filter to eliminate odors and reduce heat but for the most part they are ineffective at ridding the kitchen of the hot moist air from the microwave. I want to vent to the outside. This is a step by step series starting with planning and materials to final installa. Anyway i went into the attic and saw a nice vent line going from over the microwave up to but not out of the roof.