What is the greenest type of windows for my home?



  1. 0 Votes

    Finding the best fit for you will require a little shopping around, but here’s a head start.

    To answer quickly, the WWF and Greenpeace endorse wood windows as the greenest option.  Provided that the wood is sustainably grown, of course.  The Wood Window Alliance mark signifies durability and sustainability. (http://www.buildingtalk.com/news/won/won104.html)

    Some say the casement window is the most eco-friendly.  They can open 90% of the way and when they shut, they shut firmly, allowing ventilation and good sealing as well.

    To get more technical: you want windows that have a high U-value (meaning they conduct heat across the surface quickly, which is important in winter), a high solar heat gain coefficient (SHGC) (meaning solar heat energy is let inside), and low-e coatings (a metallic layer applied to reflect solar energy away in the summer and keep infra red energy in during the winter).

    One site recommends a foam-filled fiberglass frame that is either dual or triple-paneled, has one or two low-e panes, and sends you here: http://www.thermotechfiberglass.com/index.htm

    Make sure the frame and sash are not made from toxic chemicals that could leach out over years’ use.  If possible, select windows with little packaging.

    For more information, check out this site: http://www.edcmag.com/Articles/Feature_Article/695611c097697010VgnVCM100000f932a8c0____

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