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:
    81
    Messages:
    814
    Latest: Disinfecting my well Valveman, Sep 30, 2021
    RSS

  2. Vertical and Horizontal Loops

    Closed vertical and horizontal loops
    Discussions:
    181
    Messages:
    2,069
    Latest: Loop for cheap-and-cheerful system: step 2, actually testing waterpirate, Apr 21, 2021
    RSS

  3. Surface Water Loops

    Closed loops installed in ponds, lakes, rivers and oceans.
    Discussions:
    22
    Messages:
    295
    Latest: Replacing Grundfos Pump in Flow Controller waterpirate, Dec 23, 2020
    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:
    94
    Latest: Closed Loop with Temperature Dump? Krush, Jun 16, 2021
    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:
    41,247
    TNsteve
    Oct 22, 2018
  2. CT Geo

    Standing Column vs. Closed Loop System

    CT Geo, Apr 6, 2009 ... 2 3 4
    Replies:
    62
    Views:
    22,031
    Nexsen
    Aug 29, 2010
  3. gte

    Looking for information on direct exchange geo

    gte, Jul 31, 2011 ... 2
    Replies:
    31
    Views:
    18,849
    AMI Contracting
    Mar 3, 2013
  4. wigaloi

    Is it possible...

    wigaloi, Aug 13, 2012 ... 2 3 4
    Replies:
    70
    Views:
    17,360
    engineer
    Aug 30, 2016
  5. Calladrilling

    What are your average drilling speeds?

    Calladrilling, Jan 6, 2012 ... 2
    Replies:
    39
    Views:
    15,485
    waterpirate
    Mar 27, 2016
  6. martyg

    Standing column vs. grouted column

    martyg, Feb 19, 2011 ... 2
    Replies:
    24
    Views:
    13,546
    martyg
    Apr 28, 2011
  7. Designer_Mike

    Multiple questions about loop design and AUX heating

    Designer_Mike, Jan 29, 2011 ... 2
    Replies:
    30
    Views:
    12,287
    Mark Custis
    Mar 9, 2013
  8. GeoDosch

    Ground Loop Warranties

    GeoDosch, Aug 3, 2017 ... 2 3
    Replies:
    46
    Views:
    11,920
    docjenser
    Nov 5, 2017
  9. Krsw

    I need some basics here

    Krsw, Feb 15, 2016 ... 2 3 4
    Replies:
    76
    Views:
    11,559
    docjenser
    Feb 23, 2016
  10. Guest

    Open vs. Closed Loop operating costs?

    Guest, May 7, 2008
    Replies:
    5
    Views:
    10,185
    Guest
    May 12, 2008
  11. DavidCraig

    Geothermal HDPE pipe

    DavidCraig, Aug 4, 2012
    Replies:
    8
    Views:
    9,629
    Kogashuko
    Mar 21, 2013
  12. Wiley HVAC

    Loop depth!

    Wiley HVAC, Nov 29, 2011 ... 2
    Replies:
    28
    Views:
    9,373
    docjenser
    Mar 21, 2012
  13. FHPx3

    Correct Closed Loop material & static pressure

    FHPx3, Jan 25, 2011
    Replies:
    8
    Views:
    9,283
    Looby
    Jan 26, 2011
  14. Calladrilling

    Manufactured loop header vs. reverse return

    Calladrilling, Dec 9, 2011 ... 2
    Replies:
    23
    Views:
    8,385
    docjenser
    Dec 20, 2011
  15. SReg

    Oversized/Undersized Ground Loop ?

    SReg, Jul 9, 2014
    Replies:
    17
    Views:
    7,820
    Palace GeoThermal
    Nov 23, 2014
  16. Rogero

    Significant frost heave from horizontal loops

    Rogero, Mar 27, 2017 ... 2
    Replies:
    28
    Views:
    7,558
    moey
    Jan 16, 2018
  17. arkie6

    Compression fittings for PE loop pipe?

    arkie6, Jul 29, 2015
    Replies:
    19
    Views:
    7,257
    arkie6
    Aug 3, 2015
  18. Skogen

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

    Skogen, Feb 27, 2013
    Replies:
    3
    Views:
    7,028
    Mark Custis
    Feb 28, 2013
  19. Geostew227

    Can a garage be built over a segment of a geothermal loop?

    Geostew227, May 20, 2016
    Replies:
    5
    Views:
    6,943
    Roy
    Apr 13, 2020
  20. Mark Custis

    A new kind of loop

    Mark Custis, Apr 23, 2010
    Replies:
    11
    Views:
    6,066
    Mark Custis
    Aug 2, 2011
Showing threads 1 to 20 of 120

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