Airing (and sharing) some thoughts about indoor air quality

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Airing (and sharing) some thoughts about indoor air quality

Postby Wilberforce » Sat Jan 12, 2013 11:38 pm

Airing (and sharing) some thoughts about indoor air quality
By Alan Kandel on January 12, 2013 in Air conditioning, Energy conservation

I have put off discussing indoor air quality long enough. That changes today.

California right now is feeling the effects of a cold front that has swept down out of the Gulf of Alaska driving nighttime temperatures into the low-to-mid-twenties over much of the San Joaquin Valley floor. Many, it seems, are right now relying on a fireplace fire to keep warm. I noticed there was a considerable amount of smoke in the outside air yesterday evening.

Inside my own home, there is a natural gas insert inside the fireplace. I am not the home’s original owner but for as long as I’ve been living here, this device has never worked. A field representative from the local utility company evaluated the device but, apparently, could not determine what the cause of failure was, so I made the decision to not have the gas insert repaired. In addition, in the past, anytime during winter months when the outside air became particularly heavy with wood smoke, due to a chimney downdraft, the corresponding wood-smoke odor entered the house. The chimney is now sealed off to prevent this situation from occurring.

Over time, the house has settled. As a result, there are cracks in the walls, door frames are out of square and as a result of that, there are air leaks. One solution that has worked to minimize such leaks is the placement of exterior molding around the outside of doors along the jambs to cut down on that leakage. On the front door, the placement of this molding has to be just right. If a proper seal between the molding and the door isn’t made, then either too much air leakage results or the molding gets pressed up against the door itself, such that the door can’t be locked. So a happy medium has to be found, which it has.

In addition to this is the home air heating and cooling system. When said system is in use, outside air is drawn into the house. So, whatever happens to be in the outside air at the time will be drawn indoors. One of the obvious drawbacks of using a system of this nature.

In the case of heating, to compensate, interior electric space heaters take up the slack in this regard. This cuts down on the amount of electricity that would otherwise be used to run the principal heating unit. Space heaters provide warmth without negatively affecting indoor air quality.

Finally, there are exhaust fans in four rooms (the kitchen, bathrooms and utility room) to help exhaust unpleasant odors to the air outdoors. Sure, indoor air fresheners can be used, and are. Mildly scented candles seem to suffice just fine.

Incidentally, indoor air purifiers are available, but I’ve not done enough research on these so as to learn which ones add ozone to the indoor air and which do not. It’s probably worth further investigation and a follow-up report.

source
http://alankandel.scienceblog.com/2013/ ... r-quality/
• The Surgeon General has determined that there is no safe level of exposure to ambient smoke!

• If you smell even a subtle odor of smoke, you are being exposed to poisonous and carcinogenic chemical compounds!

• Even a brief exposure to smoke raises blood pressure, (no matter what your state of health) and can cause blood clotting, stroke, or heart attack in vulnerable people. Even children experience elevated blood pressure when exposed to smoke!

• Since smoke drastically weakens the lungs' immune system, avoiding smoke is one of the best ways to prevent colds, flu, bronchitis, or risk of an even more serious respiratory illness, such as pneumonia or tuberculosis! Does your child have the flu? Chances are they have been exposed to ambient smoke!
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