Geothermal Loops

It is all about the loop!

  1. Open Loop

    Open loop systems utilizing water wells and/or surface water. Pump and dump, pump and re-inject.
    Discussions:
    79
    Messages:
    915
    Latest: Monodrive XT vs. Cycle Stop Valve Valveman, Oct 7, 2019
    RSS

  2. Vertical and Horizontal Loops

    Closed vertical and horizontal loops
    Discussions:
    168
    Messages:
    1,891
    Latest: Can I combine vertical loops with horizontal loops? Stickman, Dec 11, 2019 at 6:22 AM
    RSS

  3. Surface Water Loops

    Closed loops installed in ponds, lakes, rivers and oceans.
    Discussions:
    22
    Messages:
    285
    Latest: New Pond Geothermal System Design RogerH, Apr 26, 2018
    RSS

  4. Standing Column Well (SCW)

    Discussions:
    19
    Messages:
    323
    Latest: Standing Column Well - North Shore Long Island Jeff S, Dec 6, 2019 at 12:14 PM
    RSS

  5. Hybrid Systems

    Loop systems that use two or more conventional loop types or solar systems, cooling towers, thermal storage systems, etc.
    Discussions:
    9
    Messages:
    93
    Latest: Closed Loop with Temperature Dump? mtrentw, Feb 27, 2018
    RSS
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Title Start Date
Replies Views ↓
Last Message
  1. bengee

    Horizontal Slinky vs. Straight Pipe

    bengee, Nov 12, 2010 ... 2
    Replies:
    23
    Views:
    32,844
    TNsteve
    Oct 22, 2018
  2. CT Geo

    Standing Column vs. Closed Loop System

    CT Geo, Apr 6, 2009 ... 2 3 4
    Replies:
    62
    Views:
    19,416
    Nexsen
    Aug 29, 2010
  3. gte

    Looking for information on direct exchange geo

    gte, Jul 31, 2011 ... 2
    Replies:
    31
    Views:
    16,713
    AMI Contracting
    Mar 3, 2013
  4. wigaloi

    Is it possible...

    wigaloi, Aug 13, 2012 ... 2 3 4
    Replies:
    70
    Views:
    14,247
    engineer
    Aug 30, 2016
  5. martyg

    Standing column vs. grouted column

    martyg, Feb 19, 2011 ... 2
    Replies:
    24
    Views:
    12,729
    martyg
    Apr 28, 2011
  6. Calladrilling

    What are your average drilling speeds?

    Calladrilling, Jan 6, 2012 ... 2
    Replies:
    39
    Views:
    12,612
    waterpirate
    Mar 27, 2016
  7. Designer_Mike

    Multiple questions about loop design and AUX heating

    Designer_Mike, Jan 29, 2011 ... 2
    Replies:
    30
    Views:
    11,144
    Mark Custis
    Mar 9, 2013
  8. Guest

    Open vs. Closed Loop operating costs?

    Guest, May 7, 2008
    Replies:
    5
    Views:
    9,054
    Guest
    May 12, 2008
  9. Krsw

    I need some basics here

    Krsw, Feb 15, 2016 ... 2 3 4
    Replies:
    76
    Views:
    8,941
    docjenser
    Feb 23, 2016
  10. GeoDosch

    Ground Loop Warranties

    GeoDosch, Aug 3, 2017 ... 2 3
    Replies:
    46
    Views:
    8,406
    docjenser
    Nov 5, 2017
  11. FHPx3

    Correct Closed Loop material & static pressure

    FHPx3, Jan 25, 2011
    Replies:
    8
    Views:
    8,130
    Looby
    Jan 26, 2011
  12. DavidCraig

    Geothermal HDPE pipe

    DavidCraig, Aug 4, 2012
    Replies:
    8
    Views:
    8,015
    Kogashuko
    Mar 21, 2013
  13. Wiley HVAC

    Loop depth!

    Wiley HVAC, Nov 29, 2011 ... 2
    Replies:
    28
    Views:
    7,727
    docjenser
    Mar 21, 2012
  14. Calladrilling

    Manufactured loop header vs. reverse return

    Calladrilling, Dec 9, 2011 ... 2
    Replies:
    23
    Views:
    7,398
    docjenser
    Dec 20, 2011
  15. SReg

    Oversized/Undersized Ground Loop ?

    SReg, Jul 9, 2014
    Replies:
    17
    Views:
    5,662
    Palace GeoThermal
    Nov 23, 2014
  16. Mark Custis

    A new kind of loop

    Mark Custis, Apr 23, 2010
    Replies:
    11
    Views:
    5,579
    Mark Custis
    Aug 2, 2011
  17. arkie6

    Compression fittings for PE loop pipe?

    arkie6, Jul 29, 2015
    Replies:
    19
    Views:
    5,448
    arkie6
    Aug 3, 2015
  18. Skogen

    Sizing the ground loop (Ground loop oversized??!)

    Skogen, Feb 27, 2013
    Replies:
    3
    Views:
    5,287
    Mark Custis
    Feb 28, 2013
  19. Donald

    Purge cart reversing

    Donald, Feb 4, 2011
    Replies:
    9
    Views:
    5,169
    AMI Contracting
    Feb 7, 2011
  20. wjgreen

    Increasing Existing Vertical Loop Length by Adding a Pond Loop?

    wjgreen, May 31, 2010
    Replies:
    10
    Views:
    4,974
    AMI Contracting
    Jun 5, 2010
Showing threads 1 to 20 of 115

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