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Green Video

US Energy Secretary Steven Chu Says Paint Flat Roofs...
Geothermal Technology with Pinkston Geothermal
Going green at home isn't just about saving the...

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Tips and Tricks

Do two good deeds at once by recycling used magazines where they will be read and enjoyed. Hospitals, clinics, and public and and private social service agencies don't have money in their budgets these days for subscriptions and will welcome general interest and children's publications for their waiting rooms. You might also find a neighbor or a friend who would enjoy regularly receiving magazines of special interest.

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  • Resistance-Value is Primary Measure of Insulation Effectiveness

    Insulation , as practically everyone knows, has an R-value or Resistance-value. This is a measure of a material's resistance to heat flow. The higher the R-value of a material, the more it will slow the transfer of heat into or out of the house. Thus a material rated R-9 will only slow the heat flow half as much as a material rated R-18. R-value is a function both of the kind of material and the thickness used. For example, Fiberglas insulation has an R-value of 3 for each inch of material (this...
  • Stopping Heat in its Tracks

    In a rare example of the government using words efficiently, the Department of Energy provides an excellent explanation of the role of insulation . Heat, DOE says, has a natural inclination to migrate to anywhere there is a cooler temperature. Therefore, in winter, heat wants out; out of heated living areas into the colder walls, basements, and if it can get there, outside. In the summer it wants in, sneaking through walls, cracks, and holes into the cooler air in or under a building. Therefore,...

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