View Single Post
 
Old 02-08-2014, 08:37 PM
Paper1 Paper1 is offline
Gold member
Join Date: Nov 2011
Posts: 1,104
Thanks: 30
Thanked 113 Times in 46 Posts
Default

JP is correct, there is no savings circulating hot water though cement and mother earth. The hotter the water that is recirculating the more energy you loss. But it is convenient.