Heating Cooling Units

Why does my fireplace backdraft when I run the central air conditioner and dryer?

When my furnace blower is running (air Central) and I start the dryer (located in basement), or kitchen, fireplace, fireplace (main level of the ranch house) and backdraft home Smokey starts to smell. This occurs when there is no fire and the flue damper is closed. The home is equipped with a vent. I also added a flexible tube running from the outside into the basement to provide "catch-up in the air to the furnace in the basement. Nothing seems to work - any greaty advice would be appreciated.

Some of these posters have hit on her. You need more air booster in the house. Wind fans, dryers, range vents and furnace / AC all this creates a negative pressure in your house during its use. To overcome this, air is sucked to the extent possible. The solution is to add a make-up vent that opens into the trunk of return air from your heating and cooling ducts. What it is: according to the size of the house, probably a 6 "which has led to a vent to the outside the house (or 2 6 "led to a bigger house). Over there is a baffle inside the duct that opens only when a negative situation air pressure arises. It can be done as a DIY project if you have tin "strike" experience. Otherwise, all heating Local Society and cooling can do for you in an hour or two. You will find this solution is better than the opening of doors, windows or chimneys.

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