Spray foam cuts energy costs and emissions in homes
The building industry moves toward spray on rigid closed cell foam insulation for homes, promising 30 to 50 percent energy savings versus fiberglass. It tightens walls, reduces drafts, and may let builders use thinner studs, though at about $1.50 per square foot and a potential $3,000 added cost on a 3,000 square foot home. A $2,000 federal tax credit sweetens the appeal.
MENTIONED IN THIS ARTICLE
Environmental Protection Agency
Ken Gayer
Honeywell
Gayer
California
Tom Harris
BASF
Ing
Goldenrod Not To Blame For Seasonal Allergies
WVVA meteorologist Corey Henderson explains goldenrod blooms do not cause spring allergies. Ragweed pollen is lighter and travels by wind. remove ragweed plants from yards, not goldenrod, to reduce symptoms.
MENTIONED IN THIS ARTICLE
Corey Henderson
WVVA
Lighting up life with lumens and wattage facts
A healthful guide explains lumens per watt and compares incandescent bulbs with fluorescent tubes. It notes incandescent life spans of 750 to 2,500 hours, long life bulbs at 2,500 to 3,500 hours with higher cost and less light per watt, and four foot fluorescent tubes lasting 20,000 plus hours delivering three to four times more light. It adds that fluorescent bulbs last longer with repeated use, and lumens data is often missing on fluorescent packaging.
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