http://www.sun-volt.com/blog/2007/12/29/gravity-film-heat-exchangers-or-gfx/ earth, the final frontier Wed, 10 Mar 2010 17:42:23 -0500 http://wordpress.org/?v=2.9.1 hourly 1 http://www.sun-volt.com/blog/2007/12/29/gravity-film-heat-exchangers-or-gfx/comment-page-1/#comment-32 gfxfree Tue, 03 Mar 2009 08:03:44 +0000 http://www.sun-volt.com/blog/2007/12/29/gravity-film-heat-exchangers-or-gfx/#comment-32 nice post useful information nice post useful information

]]> http://www.sun-volt.com/blog/2007/12/29/gravity-film-heat-exchangers-or-gfx/comment-page-1/#comment-31 Five Eco-Alternatives from Around the Web » Home Improvement Blog Tue, 08 Jan 2008 23:04:00 +0000 http://www.sun-volt.com/blog/2007/12/29/gravity-film-heat-exchangers-or-gfx/#comment-31 [...] heat from waste water? Talk about efficient. That’s what the GFX can accomplish. According to the Sun Volt Solar blog, 80 to 90 percent of water heat goes down the drain, and this gravity film heat exchanger can help [...] [...] heat from waste water? Talk about efficient. That’s what the GFX can accomplish. According to the Sun Volt Solar blog, 80 to 90 percent of water heat goes down the drain, and this gravity film heat exchanger can help [...]

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