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Energy Saving Low-e Windows

Energy Saving Low-e Windows

The biggest news in window technology is “low-e” films for low-emissivity. These thin metal coatings allow the shortwave radiation of solar energy to pass in, but block most of the long-wave thermal energy tying to get back out.

Low-e films block most solar heat gain while transmitting most visible light. Windows treated with low-e film help in both the winter and summer, with little heat leakage coming inside on a hot summer day, or leaking outside in winter.

A low-e coating is virtually invisible from the inside, but most brands tend to give windows a semi-mirror appearance from the outside.

Low-e windows are available ready-made from the factory, where the thin plastic film with the metal coating is suspended between the glass panes, or, low-e films can be applied to existing windows.

Read more: Home, Materials & Architecture, Reduce, Recycle & Reuse

Excerpted from the Real Goods Solar Living Source Book, edited by Doug Pratt and executive editor John Schaeffer.Copyright (c) 1999, Real Goods. Reprinted by permsision of Chelsea Green Publishing Company and Real Goods.
Excerpted from Real Goods Solar Living Source Book,edited by Doug Pratt and executive editor John Schaeffer.

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Annie B. Bond

Annie is a renowned expert in non-toxic and green living. She was named one of the top 20 environmental leaders by Body and Soul Magazine and "the foremost expert on green living." - Body & Soul Magazine, 2009. Learn Annie's latest eco-friendly news on anniebbond.com, a website dedicated to healthy and green living.

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The Real Goods Solar Living Sourcebook

The Sourcebook remains the best introduction to energy-efficient technology for common folks.
-Whole Earth Review

From novices to pros, this book explains renewable energy and efficient building practices. Great reference to start design and cost estimation from each section. One of the best features of this book is the addition of the National Electric Code for RE systems. It's possible to pick a building material to build a house, design a solar electric system, decide on appliances, determine the use of a greywater system, and more from 562 pages. No more looking up pages on the net!buy now

9 comments

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4:55AM PDT on Jun 11, 2012

Thanks for the info.

6:08AM PDT on Apr 19, 2012

Thanks for the article.

1:23PM PDT on Jul 20, 2011

thanks for the info:)

7:30AM PDT on Aug 14, 2010

Thanks for the article.

6:20AM PST on Jan 31, 2010

Very informative; thank you, Annie.

2:52AM PDT on Apr 8, 2008

You can save considerable money on fuel. Learn how easy it is!Put a Cap in Your Tank and Money in the Bank!
visit the web site:
http://www.getsmart.myffi.biz/Default.aspx or
call me on www.oovoo.com my ID getsmart or
Get Skype and call me for free.ID benzinspor getsmart

3:25PM PST on Dec 8, 2007

I own a glass business and I installed low-e windows on the front of my house which is in the sun.

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
Care2, Inc., its employees or advertisers.

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Outstanding way to care for your citizens! Thank you for showing us the way Vermont!

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