Open one of these gets rid of odors and moisture in a hurry; It can also leave them in and at the same time lots of expensive heating or cooling energy wasting.  Less noticeable–but just as vital to your home’s well–are the static openings that fresh air circulate through an attic, Crawlspace, even the combustion chamber of an oven or boiler.  This throttling can cause moisture-related problems, such as peeling paint, mold and rot.

Your home may be some powered fans–already a hood over the range of the kitchen or bathroom fan exhaust.  If this is not the case, you may need to add additional fans to your home.

Apparatus for mechanical ventilation also reduces cooling costs by a surprising amount.  A roof-mounted fan, working in tandem with static vents, remove heat build-up in attics and takes a big burden of your cooling equipment.  A bigger fan in the floor of the attic can draw enough air through the House to cool it without the use of air-conditioning equipment.

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