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The Benefits of a White Roof

10/28/2010

painting a roof white

Many people are realizing that they can reduce heating costs dramatically by doing something as simple as painting their roof.  A white roof can be up to 45 degrees cooler than a black roof made from the same material which significantly helps the air conditioning load of the house that it is constructed over [i].  The Department of Energy has caught on to this concept and is trying to paint the roofs of its buildings wherever possible.  Campaigns for cool roofs have also gained ground in Philadelphia, New York and Arizona.  In Arizona it is mandatory that all state funded buildings have taken cool roof actions.  There is a federal tax credit for using a cool material to replace a roof but not for coating the roof (like painting).  The painting would have to be done out of pocket but would pay for itself in cheaper energy bills very quickly in hot climates.  This is one of the homeowner steps that if done on a large scale could really help curb our carbon emissions.

[i] http://technorati.com/lifestyle/green/article/white-roofs-save-energy/

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