03-13-13, 10:02 PM | #1 |
DIY Guy
Join Date: Jan 2011
Location: Mpls,MN
Posts: 315
Thanks: 2
Thanked 17 Times in 17 Posts
|
Grey water heat recovery?
Anyone doing grey water heat recovery to preheat incoming domestic water? What's your system? Seeing results for effort?
|
|
|