Comments on: What is Your R Value? http://www.greenjoyment.com/what-is-your-r-value Going Green: The enjoyment of going green - Have fun and learn how to go green. Wed, 08 Feb 2012 15:07:20 +0000 hourly 1 http://wordpress.org/?v=3.0 By: Liz O http://www.greenjoyment.com/what-is-your-r-value#comment-761 Liz O Mon, 16 Aug 2010 07:55:57 +0000 http://www.greenjoyment.com/what-is-your-r-value#comment-761 You have got your numbers on Rvalue of new windows completely unrealistic, the best you can hope for for very very expensive windows is approx R 4 . Even if they were a vacuum sealed air space window, they will be a key area houses lose heat. Please be responsible with your information that you post. Liz http://www.coloradoenergy.org/procorner/stuff/r-values.htm You have got your numbers on Rvalue of new windows completely unrealistic, the best you can hope for for very very expensive windows is approx R 4 . Even if they were a vacuum sealed air space window, they will be a key area houses lose heat. Please be responsible with your information that you post.
Liz

http://www.coloradoenergy.org/procorner/stuff/r-values.htm

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