Search found 1 match
- Fri Apr 24, 2009 8:15 am
- Forum: Alternative Energy
- Topic: Air/Ground source heat pumps
- Replies: 0
- Views: 2218
Air/Ground source heat pumps
I'm assuming air/ground source heat pumps are not that economic otherwise we would hear much more of them. Have any figures which we can believe been produced to justify these methods ?