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:
    916
    Latest: Well Water Quality hardness and sulfate ??? on open loop system seawater, Aug 11, 2020 at 9:34 AM
    RSS

  2. Vertical and Horizontal Loops

    Closed vertical and horizontal loops
    Discussions:
    174
    Messages:
    2,023
    Latest: Horizontal Loop Field - Advice Requested - Southeastern MA aaMA, Aug 7, 2020 at 3:27 PM
    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
    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:
    36,139
    TNsteve
    Oct 22, 2018
  2. CT Geo

    Standing Column vs. Closed Loop System

    CT Geo, Apr 6, 2009 ... 2 3 4
    Replies:
    62
    Views:
    20,573
    Nexsen
    Aug 29, 2010
  3. gte

    Looking for information on direct exchange geo

    gte, Jul 31, 2011 ... 2
    Replies:
    31
    Views:
    18,017
    AMI Contracting
    Mar 3, 2013
  4. wigaloi

    Is it possible...

    wigaloi, Aug 13, 2012 ... 2 3 4
    Replies:
    70
    Views:
    15,422
    engineer
    Aug 30, 2016
  5. Calladrilling

    What are your average drilling speeds?

    Calladrilling, Jan 6, 2012 ... 2
    Replies:
    39
    Views:
    13,592
    waterpirate
    Mar 27, 2016
  6. martyg

    Standing column vs. grouted column

    martyg, Feb 19, 2011 ... 2
    Replies:
    24
    Views:
    13,065
    martyg
    Apr 28, 2011
  7. Designer_Mike

    Multiple questions about loop design and AUX heating

    Designer_Mike, Jan 29, 2011 ... 2
    Replies:
    30
    Views:
    11,619
    Mark Custis
    Mar 9, 2013
  8. GeoDosch

    Ground Loop Warranties

    GeoDosch, Aug 3, 2017 ... 2 3
    Replies:
    46
    Views:
    10,215
    docjenser
    Nov 5, 2017
  9. Krsw

    I need some basics here

    Krsw, Feb 15, 2016 ... 2 3 4
    Replies:
    76
    Views:
    10,106
    docjenser
    Feb 23, 2016
  10. Guest

    Open vs. Closed Loop operating costs?

    Guest, May 7, 2008
    Replies:
    5
    Views:
    9,542
    Guest
    May 12, 2008
  11. DavidCraig

    Geothermal HDPE pipe

    DavidCraig, Aug 4, 2012
    Replies:
    8
    Views:
    8,743
    Kogashuko
    Mar 21, 2013
  12. FHPx3

    Correct Closed Loop material & static pressure

    FHPx3, Jan 25, 2011
    Replies:
    8
    Views:
    8,623
    Looby
    Jan 26, 2011
  13. Wiley HVAC

    Loop depth!

    Wiley HVAC, Nov 29, 2011 ... 2
    Replies:
    28
    Views:
    8,226
    docjenser
    Mar 21, 2012
  14. Calladrilling

    Manufactured loop header vs. reverse return

    Calladrilling, Dec 9, 2011 ... 2
    Replies:
    23
    Views:
    7,856
    docjenser
    Dec 20, 2011
  15. SReg

    Oversized/Undersized Ground Loop ?

    SReg, Jul 9, 2014
    Replies:
    17
    Views:
    6,478
    Palace GeoThermal
    Nov 23, 2014
  16. arkie6

    Compression fittings for PE loop pipe?

    arkie6, Jul 29, 2015
    Replies:
    19
    Views:
    6,161
    arkie6
    Aug 3, 2015
  17. Skogen

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

    Skogen, Feb 27, 2013
    Replies:
    3
    Views:
    5,912
    Mark Custis
    Feb 28, 2013
  18. Rogero

    Significant frost heave from horizontal loops

    Rogero, Mar 27, 2017 ... 2
    Replies:
    28
    Views:
    5,905
    moey
    Jan 16, 2018
  19. Mark Custis

    A new kind of loop

    Mark Custis, Apr 23, 2010
    Replies:
    11
    Views:
    5,797
    Mark Custis
    Aug 2, 2011
  20. Donald

    Purge cart reversing

    Donald, Feb 4, 2011
    Replies:
    9
    Views:
    5,376
    AMI Contracting
    Feb 7, 2011
Showing threads 1 to 20 of 120

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