Inexpensive Home Building

Cut through the jargon and nonsense of home building and house construction by starting from zero dollars and trying to figure best-value bang-for-your-buck when choosing construction methods or construction materials. My research might answer some of your questions and at other times perhaps you have the knowledge or experience to post the answers to my questions and thereby help others too. The goal is an affordable and sustainable home for all.


Tuesday, May 01, 2007

"Cool Roof" High Albedo Reflects Sunlight

Part of: "Best Ways To Cool Your Home."

A "cool roof" combines high solar-light reflectance (albedo) with high thermal emmittance. The US Environmental Protection Agency (EPA) estimates the following savings in money ($ dollars) and electricity (kWh): The EPA labeled these figures as "annual" savings although that seems low compared to its other statement that a cool roof can save 20-70% of annual cooling consumption based on "over 10 buildings in California and Florida":

3 Comments:

At 8:33 AM, Blogger markali52 said...

With those kinds of figures it does not seem very cost effective, they will have to keep the air conditioning units going a little longer I think, I do believe that we are close to more efficient energy saving devices but they have to be cost effective, a friend had solar panels fitted about two years ago and has since worked out it will take about 15 to 20 years to regain the cost, but as he said in that period technology will have moved on so much they will be obsolite any way.

 
At 6:33 PM, Blogger J at IHB and HFF said...

Hello. I agree, although passive coatings as simple as white paint will have a quick payback.

 
At 2:48 AM, Blogger albert said...

It's nice to find a site you can trust.Visit coolearthcontracting.com this site was recommended by a friend so I tried it.They provide a Cool Roof, Reflective roof, Reflective Paint Austin and Commercial roof at affordable price.Their service was great.

 

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