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Stanford scientists develop new type of solar structure that cools buildings in full sunlight | Stanford.edu

Stanford scientists develop new type of solar structure that cools buildings in full sunlight | Stanford.edu | home maintenance | Scoop.it

 

Homes and buildings chilled without air conditioners. Car interiors that don't heat up in the summer sun. Tapping the frigid expanses of outer space to cool the planet. Science fiction, you say? Well, maybe not any more.

 

A team of researchers at Stanford has designed an entirely new form of cooling structure that cools even when the sun is shining. Such a structure could vastly improve the daylight cooling of buildings, cars and other structures by reflecting sunlight back into the chilly vacuum of space. Their paper describing the device was published March 5 in Nano Letters.

 

"People usually see space as a source of heat from the sun, but away from the sun outer space is really a cold, cold place," explained Shanhui Fan, a professor of electrical engineering and the paper's senior author. "We've developed a new type of structure that reflects the vast majority of sunlight, while at the same time it sends heat into that coldness, which cools manmade structures even in the daytime."

 

The trick, from an engineering standpoint, is twofold. First, the reflector has to reflect as much of the sunlight as possible. Poor reflectors absorb too much sunlight, heating up in the process and defeating the goal of cooling.

 

The second challenge is that the structure must efficiently radiate heat (from a building, for example) back into space. Thus, the structure must emit thermal radiation very efficiently within a specific wavelength range in which the atmosphere is nearly transparent. Outside this range, the thermal radiation interacts with Earth's atmosphere. Most people are familiar with this phenomenon. It's better known as the greenhouse effect – the cause of global climate change.

 

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Via Chuck Sherwood, Senior Associate, TeleDimensions, Inc
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Choose energy-efficient glass for your windows - NorthJersey.com

Choose energy-efficient glass for your windows - NorthJersey.com | home maintenance | Scoop.it
Replacing old, drafty windows can be one of the smartest decisions you make as a homeowner.

Via ecoInsight
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Curb appeal tips to transform your home - The Southeast Sun

Curb appeal tips to transform your home - The Southeast Sun | home maintenance | Scoop.it
Curb appeal tips to transform your home
The Southeast Sun
Check with your local garden shop for information about low-maintenance perennial plants, trees and shrubs to incorporate into your landscaping.
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Home improvements help cut fuel poverty

Home improvements help cut fuel poverty | home maintenance | Scoop.it
Annual fuel poverty statistics published by the government have shown a slight drop in the number of households affected.
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Saudi cleric: Prohibit women from using air conditioning

Saudi cleric: Prohibit women from using air conditioning | home maintenance | Scoop.it
A man who claimed to be a Salafist-Wahhibist cleric put the word out on Twitter that women should not flip on air conditioners at home because it sends the signal they’re home and that could lead to moral depravities...

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10 Home-Maintenance Tips for Spring

10 Home-Maintenance Tips for Spring | home maintenance | Scoop.it
A certified home inspector shares 10 home-maintenance tips for spring. (10 good-to-know #home maintenance tips :) http://t.co/jdMswyGxIA)
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Get Your Home Sold Fast With A Few Low Cost Improvements

{Love this post from Jim!|Check out this post Get Your Home Sold Fast With A Few Low Cost Improvements!


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Understanding How Energy Efficient Windows Add to Your Home's ...

Understanding How Energy Efficient Windows Add to Your Home's ... | home maintenance | Scoop.it
If the windows on your home have seen better days, it is worth looking into the benefits of energy efficient windows. Many people balk at the idea of adding the latest model to their home simply because of the stigma that they ...

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MobileHomeContractors's curator insight, January 29, 2013 6:49 AM

iMobileHomes recommends this article.  Energy efficient use of windows is one of the most significant changes mobile homeowners can make to their homes.  There are many alternatives once the goal is decided upon to lower energy costs in a dramatic way.