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Air Leakage In Your Home

Air leakage occurs when outside air enters and conditioned air leaves your house uncontrollably through cracks and openings. Reducing the amount of air leakage in and out of your home is a cost-effective way to cut heating and cooling costs, improve durability, increase comfort, and create a healthier indoor environment.

This Could Be The Biggest Cause of Air Leakage in Your Home

tub drains can be a major cause of air leakage in your home.One of the biggest sources of air leakage comes from the big gaping hole plumbers cut for the bathtub drain. If your bathtub is sitting on a floor over a vented crawl space, for example, this hole allows air to move freely between inside and out. Most of the time the air these big holes bring in is not the kind of air you want in your home. Nor are the critters that come in through these holes.

You may think the nasty crawl space air can’t move freely into the house because the bathtub will stop it. Yes, a bathtub, whether made of cast iron or fiberglass, is a pretty good air barrier and won’t let the air pass through. So the air does what it does best and finds other ways to move.

You might think your house doesn’t have such a big hole. Or maybe the builder had the hole sealed up before they finished the job. It might pay you to check (or have someone check) under your crawl space to see if you have holes cut like the one in the photo here, and if you do, get it sealed up, because it is one big air leakage tunnel from underneath your house.

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Don’t forget to inspect all of your windows and doors for air leakage. The recommended strategy is to reduce air leakage as much as possible and to provide controlled ventilation as needed.

Air leakage also contributes to moisture problems that can affect the occupants’ health and the structure’s durability. An added benefit is that sealing cracks and openings reduces drafts and cold spots, improving comfort.

If crawling under your house and repairing something like this is not your thing, call Brown and Reaves Services, Inc.  Call us today at 843-497-9867. Don’t forget to grab our 20% off coupon on your next service call by Liking us on Facebook.

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