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Forum: Heat Pumps

  1. Domestic Air Source Heat Pump

    Started by borderfox, 24-01-2010 10:25 PM
    • Replies: 39
    • Views: 121,784
    olddog
    01-02-2010, 12:51 PM Go to last post

  2. Mitsubishi ecodan Heatpump Boiler

    Started by sinewave, 13-02-2008 07:44 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 67
    • Views: 88,132
    Karl Hofmann
    26-01-2011, 05:52 PM Go to last post

  3. LG heat pump problem

    Started by back2space, 15-12-2008 05:17 AM
    3 Pages •
    1 2 3
    • Replies: 132
    • Views: 55,340
    back2space
    01-02-2009, 11:23 PM Go to last post

  4. Mitsubishi Ecodans ASHP issues...

    Started by back2space, 03-01-2011 05:39 PM
    4 Pages •
    1 2 3 4
    4 Attachment(s)
    • Replies: 158
    • Views: 53,521
    brunstar
    21-03-2011, 11:26 PM Go to last post

  5. stuck reversing valve

    Started by kling65, 29-04-2008 04:24 PM
    • Replies: 10
    • Views: 48,098
    jmojacksonville
    26-07-2010, 12:22 AM Go to last post

  6. Exhaust Air to Warm water Heat Pump - malt kilning

    Started by MannyCalavera, 05-08-2010 10:41 AM
    4 Pages •
    1 2 3 4
    4 Attachment(s)
    • Replies: 167
    • Views: 41,937
    mad fridgie
    18-01-2011, 08:31 PM Go to last post

  7. Question Home made swimming pool heat pump

    Started by Acuario, 31-12-2010 10:21 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 129
    • Views: 41,821
    nevgee
    08-03-2011, 10:27 PM Go to last post

  8. Mitsubishi Heavy, wired remote with error code E57

    Started by Taaz1275, 11-12-2012 11:33 AM
    • Replies: 8
    • Views: 38,295
    Taaz1275
    18-02-2013, 06:25 AM Go to last post

  9. Unhappy Altherma frequent compressor cycling

    Started by afternine, 26-02-2010 09:47 PM
    2 Pages •
    1 2
    daikin altherma cycling
    • Replies: 80
    • Views: 38,193
    donato35
    29-10-2010, 11:03 AM Go to last post

  10. EcoCute CO2 heat pump water heaters

    Started by Thermatech, 30-11-2007 09:22 PM
    • Replies: 38
    • Views: 33,116
    agxus
    21-09-2010, 01:10 AM Go to last post

  11. BBC: Danfoss refund for Air-Source HeatPump System poor run costs

    Started by Makeit go Right, 28-04-2011 05:13 PM
    heatpump ecodan altherma
    • Replies: 16
    • Views: 30,639
    Bigfreeze
    30-04-2011, 08:24 PM Go to last post

  12. Buffer Tank Assisted Defrost

    Started by pilko, 29-11-2011 03:45 PM
    3 Pages •
    1 2 3
    17 Attachment(s)
    • Replies: 138
    • Views: 29,692
    mark957
    17-03-2012, 01:39 PM Go to last post

  13. Daikin Altherma - Defrost Cycles to frequent

    Started by src100308, 19-01-2011 09:37 AM
    4 Attachment(s)
    • Replies: 35
    • Views: 29,305
    brunstar
    16-02-2011, 11:42 PM Go to last post

  14. My first self made EVAP

    Started by MikeHolm, 08-10-2011 09:08 PM
    3 Pages •
    1 2 3
    21 Attachment(s)
    • Replies: 128
    • Views: 28,810
    MikeHolm
    07-06-2012, 11:29 AM Go to last post

  15. Air Source Heat Pump Buffer Vessel Sizing

    Started by chiggs24, 01-06-2011 11:14 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 62
    • Views: 26,119
    chillerman2006
    11-09-2011, 04:34 PM Go to last post

  16. Daikin H6 error

    Started by Swipe, 22-02-2015 11:26 PM
    • Replies: 5
    • Views: 25,387
    install monkey
    23-02-2015, 08:18 PM Go to last post

  17. High Temp Heat Pumps

    Started by US Iceman, 16-06-2006 06:55 PM
    2 Pages •
    1 2
    • Replies: 68
    • Views: 25,218
    Plank!
    29-05-2011, 05:19 PM Go to last post

  18. Air Source Heat Pump - Expensive to run!

    Started by Frostybelgian, 16-07-2009 11:28 AM
    • Replies: 17
    • Views: 24,799
    frank
    03-10-2010, 07:40 PM Go to last post

  19. Question air source heat pump:how to make water reach 80℃?

    Started by billliu2010, 14-04-2010 09:40 AM
    2 Pages •
    1 2
    • Replies: 50
    • Views: 24,459
    mad fridgie
    11-07-2010, 11:13 PM Go to last post

  20. Another heat pump getting a bad name... good read... NIBE Fighter 360p

    Started by back2space, 18-01-2011 12:23 AM
    • Replies: 7
    • Views: 24,182
    MikeHolm
    19-01-2011, 01:14 PM Go to last post

  21. Discharge Muffler

    Started by Larry2, 06-03-2008 07:56 PM
    • Replies: 22
    • Views: 23,321
    Larry2
    15-03-2008, 05:38 AM Go to last post

  22. Air source heat pump is work, but no heating, no hot water

    Started by Dinka, 02-03-2013 04:52 PM
    • Replies: 14
    • Views: 23,241
    Dinka
    14-10-2013, 03:00 PM Go to last post

  23. New Heat Pump Forum

    Started by Argus, 23-04-2006 12:08 PM
    • Replies: 17
    • Views: 22,263
    billliu210
    10-04-2010, 09:12 AM Go to last post

  24. Evap sizing tools

    Started by MikeHolm, 13-12-2010 01:41 PM
    2 Pages •
    1 2
    • Replies: 70
    • Views: 21,433
    MikeHolm
    07-01-2011, 11:30 AM Go to last post

  25. Altherma flow temp issue

    Started by Jon Glanfield, 05-02-2011 09:52 AM
    2 Pages •
    1 2
    • Replies: 67
    • Views: 21,350
    Bigfreeze
    16-02-2011, 11:58 AM Go to last post

  26. Frequent compressor cycling when using a ASHP for shower water heating alone

    Started by yonatanb, 12-09-2011 10:48 PM
    2 Pages •
    1 2
    compressor, cycling, frequent, pereg, shower 1 Attachment(s)
    • Replies: 84
    • Views: 20,908
    MikeHolm
    20-09-2011, 11:43 AM Go to last post

  27. Mitsubishi Mr.Slim heat pump

    Started by Buzzant, 31-12-2009 08:17 PM
    • Replies: 43
    • Views: 20,587
    back2space
    04-01-2010, 10:59 PM Go to last post

  28. Noisy Daikin VRVIII 3 pipe BSVQ boxes

    Started by hyperion, 26-02-2009 11:49 AM
    1 Attachment(s)
    • Replies: 24
    • Views: 19,566
    daikinnewbie
    25-02-2010, 01:49 PM Go to last post

  29. Re-charge heat pump R410a

    Started by cypher_171, 22-08-2007 11:52 PM
    • Replies: 5
    • Views: 19,355
    BigJon3475
    26-08-2007, 09:42 PM Go to last post

  30. Efficiency of compressor assisted HRV

    Started by montreal, 02-11-2006 02:03 AM
    4 Attachment(s)
    • Replies: 46
    • Views: 19,295
    stuartsjg
    27-08-2007, 08:51 PM Go to last post

  31. climatemaster geothermal heat pump query

    Started by jackson, 12-12-2007 03:21 PM
    • Replies: 42
    • Views: 19,198
    redroge
    14-01-2010, 07:52 PM Go to last post

  32. TXV/Check Valve Stuck Open

    Started by tesla500, 28-07-2010 11:37 PM
    check valve, flood, stuck, tev, txv 4 Attachment(s)
    • Replies: 4
    • Views: 18,500
    hd88
    27-10-2010, 01:31 AM Go to last post

  33. Trane HP Defrost Board Problem

    Started by FastEd, 23-04-2006 08:18 PM
    • Replies: 8
    • Views: 18,457
    Connemara
    05-09-2008, 01:30 AM Go to last post

  34. Ice in heat pump

    Started by Buzzant, 06-01-2010 01:14 AM
    • Replies: 42
    • Views: 18,442
    Buzzant
    11-01-2010, 07:47 PM Go to last post

  35. Scroll internal bypass

    Started by Larry2, 18-11-2006 06:24 PM
    • Replies: 27
    • Views: 18,123
    ateeq.baig
    15-05-2009, 09:23 AM Go to last post

  36. Calorex heat pump issues... A juicy read...

    Started by back2space, 14-01-2011 01:47 AM
    1 Attachment(s)
    • Replies: 43
    • Views: 18,006
    chillerman2006
    08-09-2011, 12:40 AM Go to last post

  37. Toshiba RAS 10/13 SAVP/SKVP-ND model differences

    Started by SteinarN, 20-02-2008 05:23 PM
    • Replies: 19
    • Views: 17,942
    SteinarN
    22-02-2008, 02:14 AM Go to last post

  38. Evap fin spacing and freezeup

    Started by MikeHolm, 09-01-2011 02:31 AM
    2 Pages •
    1 2
    • Replies: 76
    • Views: 17,462
    mad fridgie
    17-01-2011, 08:13 PM Go to last post

  39. Daikin indoor unit totally dead :(

    Started by craigix, 07-11-2009 03:59 PM
    • Replies: 9
    • Views: 17,410
    john perros
    24-11-2009, 06:40 PM Go to last post

  40. Pool heat pump water side diagram

    Started by nike123, 19-03-2009 02:32 PM
    1 Attachment(s)
    • Replies: 23
    • Views: 17,209
    nike123
    22-03-2009, 07:42 PM Go to last post

  41. Desperate. Help Please

    Started by Sensei, 26-06-2020 01:29 PM
    • Replies: 22
    • Views: 17,208
    Sensei
    06-07-2020, 12:15 PM Go to last post

  42. Help! Daikin Altherma HT interior unit compressor noise

    Started by Novecento, 23-06-2010 09:33 AM
    altherma, compressor, daikin, noise
    • Replies: 9
    • Views: 17,121
    v.k.
    02-02-2011, 09:39 AM Go to last post

  43. Swimming Pool Heat Pump

    Started by airefresco, 22-01-2009 09:08 AM
    • Replies: 31
    • Views: 17,045
    desA
    20-03-2009, 04:11 AM Go to last post

  44. Airwell Problem

    Started by meadows, 21-07-2008 04:45 AM
    • Replies: 4
    • Views: 16,579
    Gossioii1
    17-04-2009, 09:56 PM Go to last post

  45. Hitachi v's Mitsubushi VRF

    Started by Rammy, 17-12-2009 05:53 PM
    • Replies: 4
    • Views: 16,532
    croc1774
    14-01-2010, 08:44 PM Go to last post

  46. An odd one..

    Started by terminator, 06-12-2017 06:43 PM
    • Replies: 11
    • Views: 16,080
    terminator
    19-12-2017, 07:30 PM Go to last post

  47. humidity

    Started by obenschain, 23-01-2020 01:49 AM
    • Replies: 3
    • Views: 15,151
    redroge
    23-01-2020, 05:29 PM Go to last post

  48. Thumbs up Attic Heat Pump

    Started by KETTLER, 16-06-2006 11:14 AM
    • Replies: 35
    • Views: 14,991
    EDDC
    23-02-2008, 11:33 PM Go to last post

  49. Arrow Daikin FBQ71 / RZQ71 poor cooling

    Started by APICATS, 14-10-2020 04:04 PM
    cooling, daikin fbq, r410a, refill, refrigerant
    • Replies: 20
    • Views: 14,728
    frank
    23-06-2021, 08:44 PM Go to last post

  50. Symptoms of outdoor unit being undercharged in heat mode?

    Started by back2space, 17-02-2010 12:01 PM
    • Replies: 33
    • Views: 14,722
    olddog
    21-02-2010, 01:29 PM Go to last post

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