The vent runs through a soffet to the outside. And, at least on my microwave, there are also vents underneath the microwave as well as on the sides and more air blows out from the bottom ones than the side ones so that's probably what you're feeling if your door is hanging straight! This is also the case with my clothes dryer. Lint build-up was holding the dryer vent flaps open allowing cold air to flow back down the vent pipe and into the house causing an extremely cold laundry room!.

Faulty or improperly insulated ducts can keep warm air from heating your home. For some reason, the vent in my bedroom is placed near the door and not on the opposite side of the room where I prefer it to be, so unless my door is closed, half of the air coming out of the vent would be directed outside me bedroom. Kenmore 665-69612992 serial # xck1424603 We have cold air coming from the outside in and around our built in microwave. Although I keep a towel over the vent indoors when I am not using it, the cooktop itself is very cold … Most pros recommend insulating your ducts up to the floor vents. If your vent pipe is cold, the air will be heavier and flow down and in, past that ineffective damper. Have you got a better solution? Use our flue cover to stop the outside air from coming in through the flue.

The vent hood over our kitchen range lets in lots of cold air in the winter, and gets pretty cold itself. The exhaust is connected to a duct that leads outside where the fan distributes the hot wet air that occurs during a shower. Here’s what to do if you notice cold air coming from your vents: Install insulation. In addition, if the flap or duct is allowing air in, it is also providing an opening for bugs or other pests to come in through the vent. I have a Jenn-Air downdraft cooktop and cold air comes in the exhaust and through the vent. Regrettably, the installers did not (perhaps could not) install the damper that usually would be part of the microwave body. That's normal!

How do I prevent this from happening. It's kinda big, but you don't see it where I have it. Before running for repair or replacing your microwave check to see if the air you feel is coming from the vents! At the end of the vent is a plastic cover on a hinge that opens up to the outside. A small amount of cold air coming in through a range vent hood may not seem worth the effort of changing ductwork, but even a small air leak can make a big difference in heating costs. Use our magnetic fireplace vent cover to stop the inner cold air circulation from the vents. We discuss the importance of venting to the exterior, choice of vent components and materials, and we refer to microwave oven manufacturers' installation instructions.

And, at least on my microwave, there are also vents underneath the microwave as well as on the sides and more air blows out from the bottom ones than the side ones so that's probably what you're feeling if your door is hanging straight! I live in very cold winter climate and I am looking for ways to reduce loss of warm air. A little quick research found me a few vents that will apparently solve the issue.

Although I keep a towel over the vent indoors when I am not using it, the cooktop itself is very cold as is the ductwork inside the cabinet.

There is cold air coming into the kitchen through the downdraft vent. Often they will get blocked by insects or even mice. I have to block the vent’s intake with boards, and then remove them when I turn on the fan.

The outside went has no "damper" but can you put one on like those for a dryer vent …

In the winter lots of cold air seeps in, so I made a cardboard insert that I put under the grille and can remove when we need to … Poor insulation causes rapid cooling of the air as it moves through your home. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. As such, the only damper to prevent backdrafts is the exterior one that is part of the wall jack/weather-head. We recently bought a 1996 house which has a Majestic gas fireplace.

That's normal! In cold weather, the interior of the microwave is like a refrigerator, and cold air blows in above the range. The author devises an inexpensive and very effective way to block cold winter winds from blowing into her kitchen via her range vents. I am having a bit of a problem with the exhaust vent from my kitchen cook range and microwave.

If the building is heated, the colder it is outside the more of a draft up the pipe there will be - hot air wants to leave, upwards - the cold air to replace it will come into the house elsewhere, for the most part, rather than bucking the exiting flow up the pipe.