Venting Microwave Through Attic

A rectangular to round transition adapter must be used.

Venting microwave through attic.

But an alternative worth considering if it does not make the vent run too long is to vent across the attic floor and down and out through a soffit or out through a gable end wall. How to install vent ducting for a microwave over the stove. If your over the range microwave oven is equipped with an interior recirculating vent the built in charcoal filter loses efficiency. Microwaves cannot be ducted into a common duct work.

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. The duct must be the sizes listed above for proper draw of air. If you have any other inquiries about our master flow products please call technical services at 800 211 9612.

Also the plumbing vents should also go through the roof. An externally vented microwave mounted over a cooktop uses a fan to draw air through the microwave s vents and into an exhaust duct leading to the exterior of the building so most of the moisture heat odor and particulate matter generated by cooking goes directly outside. I want to vent to the outside. Both smaller and larger vents than recommended decrease venting performance.

Do not vent into an attic or crawl space. 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. Whirlpool microwave vent hood installation model wmh73521cs duration. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

The old microwave did not. If round ducting also note the following. The top vented microwave example given assumes that the vent runs straight up through the roof see the roof cap in the sketch above. This product is intended to vent an appliance through a asphalt shingle roof.

The vent should be vented outside not into the attic. I would like to use that path to vent a new microwave.