Weatherization and Indoor Air Quality
Air sealing is one of the best ways to lower heating-and-cooling bills for many home weatherization programs, and especially so for the federal Weatherization Assistance Program (WAP). Most homes receive blower door-guided air sealing to ...
Stains in homes have many different sources. In my job as an industrial hygienist, I have seen a wide variety of substances that can create stains, including mold growth, vehicle exhaust, combustion appliances, tobacco smoke, cooking fumes, and even candles (see "Black Stains in Houses: Soot, Dust, or Ghosts?" HE Jan/Feb '98, p. 15). [continue reading]
Ozone has been successfully used for decades to treat and sanitize municipal water supplies, swimming pools, and spas. [continue reading]
Most of the ductwork that I've seen contains accumulations of house dust and tobacco smoke solids, as well as loose pieces of fiberglass duct insulation, dead bugs, and mold growing in a damp mess. [continue reading]
It is common knowledge that living in a well-ventilated house can help a family be more comfortable. But how much can good ventilation help protect the occupants of a house against indoor air pollution? [continue reading]
It's happening more and more-home performance specialists are getting calls from homeowners complaining of a "mysterious stain." Maybe the occupants think it's mold, and they're worried-could it be Stachybotrys atra, which has been linked to sudden infant death syndrome? [continue reading]