Infiltration of Outdoor Pollutants
How building airtightness and pollutant characteristics affect the transport of outdoor air pollution into the indoor environment
How do we regulate the amounts of indoor air pollutants that are allowed to build up in the houses we live in? The answer is: We don't. [continue reading]
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]
When my family and I had our home built here in North Carolina, good ventilation and air filtration were top priorities because my daughter has problems with allergies and asthma. [continue reading]
Homeowners may continue to enjoy their single pane glass windows and gain energy efficient advantages for up to 80% ...
Last summer, DOE issued new efficiency standards for furnace fans, which are a little-known energy hog that may be lurking ...