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  • FIRST POST
    • Ken68
    • By Ken68 9th Aug 06, 2:14 PM
    • 6,551Posts
    • 4,189Thanks
    Ken68
    Ground heat.
    • #1
    • 9th Aug 06, 2:14 PM
    Ground heat. 9th Aug 06 at 2:14 PM
    Thought this was interesting...........

    http://forum.downsizer.net/viewtopic.php?t=14638

    With a return of 4x normal got to be worth investigating...
Page 1
    • Seakay
    • By Seakay 10th Aug 06, 9:44 AM
    • 4,181 Posts
    • 10,065 Thanks
    Seakay
    • #2
    • 10th Aug 06, 9:44 AM
    • #2
    • 10th Aug 06, 9:44 AM
    That is really interesting; I'd assumed that this method was only used with underfloor heating.
    • Ken68
    • By Ken68 10th Aug 06, 12:35 PM
    • 6,551 Posts
    • 4,189 Thanks
    Ken68
    • #3
    • 10th Aug 06, 12:35 PM
    • #3
    • 10th Aug 06, 12:35 PM
    Yes Seakay, and would have thought vertical boring would be cheap to do. I've seen farmers drill for wells using just a strong engine in a frame, with an augur and guide attached, sticks up 12ft. Several of those holes in your front lawn would be enough.
  • Skiduck
    • #4
    • 10th Aug 06, 1:22 PM
    • #4
    • 10th Aug 06, 1:22 PM
    I'd like to know too how they did it with radiators, as the output shouldn't be high enough for radiators, onlu UF heating. The chinese are experimenting at the moment with high COP heat pumps.
    I'm not sure why they are using bore holes either, as air and water source have decent COP's now.
    Interesting to see the council try this though and should be applauded, after all, they have the money and continual interest in these properties to make this extremely beneficial to themselves and residents.
    • Ken68
    • By Ken68 10th Aug 06, 2:09 PM
    • 6,551 Posts
    • 4,189 Thanks
    Ken68
    • #5
    • 10th Aug 06, 2:09 PM
    • #5
    • 10th Aug 06, 2:09 PM
    From what I read on this site, most renewable energy devices do not have a decent payback time, so guess Dougal is right, they have 'pinched' savings from super insulation.
    On the other hand, someone has to start the ball rolling on providing cheaper energy. Once the materials are cheaper, and proven designs in place, D.I.Y'ers can make it happen.
  • Skiduck
    • #6
    • 10th Aug 06, 2:39 PM
    • #6
    • 10th Aug 06, 2:39 PM
    for any heat pumnp installation, the insulation in the property has to be excellent. It's not a downside to heat pumps, that's just the way they work.
    IMO every home should be "super-insulated", why waste ANY energy?
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