The Benefits of Zone Pressure Diagnostics
Weatherization and home performance contractors have been using zone pressure diagnostic (ZPD) testing since the 1990s to better diagnose, and ultimately improve, the airtightness of homes. Though our understanding of ZPD testing has come a ...
In 11 Florida homes with roofs coated with a white material during midsummer, average air conditioning energy use decreased by 8 kWh/day, or 19%. [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]
Hint: It’s not solar or storage...
Getting ready for HPC18? Plan to stop by the Faces of EE photo booth on April 24 to receive a FREE ...