Vent Microwave Into Attic

Both smaller and larger vents than recommended decrease venting performance.

Vent microwave into attic.

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. International mechanical code imc 2009. No other questions need be asked answered to determine that it is improper to vent the range hood into the attic. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood.

Mstankiewicz marc stankiewicz july 10 2011 12 06am 8. She said the vent was in the attic and again she was right. This is a step by step series starting with planning and materials to final installa. First we do not have all the facts.

If round ducting also note the following. A rectangular to round transition adapter must be used. I would like to use that path to vent a new microwave. I want to vent to the outside.

I agree with jonas. Chapter 5 section 505 1 exception 1. 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.

The old microwave did not. The ventilation system may lead to an exterior vent or it may simply recirculate air back into the kitchen. 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. 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.

Microwaves cannot be ducted into a common duct work. This article describes the venting options for built in microwave ovens and microwave oven vent systems typically installed above a stovetop or range. 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. 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.

First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. 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. Microwave oven vent installation suggestions.