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Forum: Tech to Tech Chat - Residential

FOR TECHNICAL CHAT BETWEEN INDUSTRY WORKERS ONLY. NO AOP OR DIY** This forum is for Technical Chat in the Residential Industry and only within the limits of the Open area Rules concerning DIY. Any technical chat that goes too far will be removed or moved to the Pro Area.

  1. Sticky Thread Sticky Threads

  2. Poll Sticky Thread Poll: Curiosity Question On Brands You Carry

    Started by The Editor, 02-17-2012 04:21 PM
    26 Pages
    1 2 3 4 5 6 ... 26
    • Replies: 333
    • Views: 156,828
    08-05-2019, 05:44 PM Go to last post
  3. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 15,805
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. CoolCalc Manual J

    Started by szw21, Yesterday 05:16 PM
    • Replies: 2
    • Views: 123
    Today, 11:47 PM Go to last post
  3. Contactor Preference

    Started by ezrizer, 08-17-2019 05:48 PM
    • Replies: 5
    • Views: 225
    Today, 10:59 PM Go to last post
  4. Trane Package Heat Pump Question

    Started by RSWAFFER, Today 07:00 PM
    • Replies: 5
    • Views: 77
    Today, 10:43 PM Go to last post
  5. Carrier ECM motor problems

    Started by kylefield, Today 09:50 PM
    • Replies: 0
    • Views: 26
    Today, 09:50 PM Go to last post
  6. Bosch bova system.

    Started by Cweldy, Today 05:30 PM
    • Replies: 0
    • Views: 64
    Today, 05:30 PM Go to last post
  7. Evap Sizing

    Started by colnago, 08-12-2019 12:43 PM
    • Replies: 9
    • Views: 432
    Today, 10:38 AM Go to last post
  8. rheem icc dual drive issue

    Started by techsonac, 08-17-2019 05:05 PM
    • Replies: 1
    • Views: 119
    Today, 08:27 AM Go to last post
  9. 4 gauge wire for 20 kW heat strips?!?!

    Started by DoctorBuzz, 08-09-2019 07:52 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 1,056
    Today, 08:26 AM Go to last post
  10. Can Subcooling be a Reciever?

    Started by Martin Electric, Today 04:07 AM
    • Replies: 0
    • Views: 126
    Today, 04:07 AM Go to last post
  11. 24 volt coil keeps shorting out

    Started by guysmilely, 08-12-2019 02:05 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 800
    Today, 03:51 AM Go to last post
  12. Fieldpiece Probes

    Started by Jo4ey, 08-11-2019 10:14 PM
    • Replies: 12
    • Views: 533
    Today, 03:43 AM Go to last post
  13. Concord condensing unit parts

    Started by Justplayaround, Yesterday 06:25 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 322
    Yesterday, 08:50 PM Go to last post
  14. Running a Minisplit from a generator

    Started by Parksy, 08-15-2019 02:34 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 704
    Yesterday, 11:58 AM Go to last post
  15. 30 degrees subcooling

    Started by splus, 08-05-2019 12:29 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 877
    Yesterday, 10:14 AM Go to last post
  16. Can't find a 1 ton condenser and can't use a mini-split.

    Started by Rich, 07-20-2019 12:16 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,081
    Yesterday, 04:08 AM Go to last post
  17. Danfoss Compressor pulling vacuum! Help!

    Started by Airconbmx, 08-13-2019 06:30 PM
    5 Pages
    1 2 3 4 5
    • Replies: 58
    • Views: 1,196
    08-17-2019, 08:14 PM Go to last post
  18. System not cooling, odd line temps

    Started by VOWSac, 08-15-2019 06:00 PM
    • Replies: 8
    • Views: 470
    08-17-2019, 07:56 AM Go to last post
  19. need help troubleshooting ECM motor

    Started by geunreal, 08-15-2019 02:47 PM
    • Replies: 3
    • Views: 278
    08-16-2019, 08:46 PM Go to last post
  20. Fan belts rtu

    Started by Wiggipop1, 08-14-2019 10:09 PM
    • Replies: 6
    • Views: 299
    08-16-2019, 03:44 PM Go to last post
  21. Bosch Bova Heat pump "Adaptive capacity output"

    Started by freefall, 05-19-2019 07:17 AM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 2,083
    08-16-2019, 12:42 PM Go to last post
  22. Condenser Fan Motor Over Heating

    Started by DeputyDawg605, 07-18-2016 06:24 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 88
    • Views: 12,548
    08-16-2019, 10:17 AM Go to last post
  23. Confused Mitsubishi vs Daikin vs Fujitsu mini split?

    Started by safebustr, 07-19-2015 01:19 AM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 28,593
    08-15-2019, 11:05 PM Go to last post
  24. Goodman or Rheem

    Started by Mr. Nobody, 08-06-2019 11:36 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 642
    08-15-2019, 05:31 PM Go to last post
  25. Best retrofit refrigerant for R22??

    Started by hvacsolutions, 06-14-2017 02:41 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 69
    • Views: 6,972
    08-15-2019, 03:16 PM Go to last post
  26. Ducane Split A/C

    Started by Dr Freeze 40, 08-15-2019 10:26 AM
    • Replies: 1
    • Views: 131
    08-15-2019, 10:28 AM Go to last post
  27. comfortmaker tonnage old unit

    Started by sc maintenance, 08-13-2019 05:43 PM
    • Replies: 8
    • Views: 214
    08-15-2019, 07:37 AM Go to last post
  28. Checking pressures with no load

    Started by Ghyde6005, 08-05-2019 10:39 AM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 155
    • Views: 3,534
    08-14-2019, 09:31 PM Go to last post
  29. Low Delta T

    Started by Zippyhead, 08-10-2019 10:57 PM
    • Replies: 6
    • Views: 334
    08-12-2019, 08:44 PM Go to last post
  30. “Normal” pressures, low subcool

    Started by Ghyde6005, 08-10-2019 12:57 AM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 165
    • Views: 2,104
    08-12-2019, 08:34 PM Go to last post
  31. Are high velocity systems any good?

    Started by EHM, 08-08-2019 06:30 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 461
    08-11-2019, 11:26 PM Go to last post
  32. Goodman heat pump kicked my tail.

    Started by Tool-Slinger, 08-07-2019 07:00 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 585
    08-11-2019, 11:05 PM Go to last post
  33. High suction pressure

    Started by ldake, 08-04-2019 07:49 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 1,029
    08-11-2019, 10:12 PM Go to last post
  34. Ampacity Wire & Breaker Size

    Started by komobu, 08-11-2019 10:15 AM
    • Replies: 3
    • Views: 232
    08-11-2019, 07:32 PM Go to last post
  35. Nest Thermostat

    Started by newoldtech, 08-11-2019 12:09 AM
    • Replies: 4
    • Views: 348
    08-11-2019, 07:09 PM Go to last post
  36. Condenser fan running slow

    Started by Zippyhead, 08-09-2019 10:01 PM
    • Replies: 5
    • Views: 345
    08-11-2019, 10:34 AM Go to last post
  37. Is Ecobee junk like Nest ?

    Started by Snapperhead, 08-11-2019 06:58 AM
    • Replies: 1
    • Views: 240
    08-11-2019, 09:39 AM Go to last post
  38. YORK Affinity - High Discharge Temperature Fault

    Started by MikeDi, 08-10-2019 01:09 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 321
    08-11-2019, 09:36 AM Go to last post
  39. Fluctuating pressures on new lennox 2.5 ton unit

    Started by Cabral255, 08-09-2019 08:02 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 372
    08-10-2019, 09:59 PM Go to last post
  40. Mobile home

    Started by Sheetmetalguy, 08-07-2019 11:54 AM
    • Replies: 4
    • Views: 260
    08-10-2019, 12:03 AM Go to last post
  41. Teflon 1/4 hose gaskets?

    Started by SuperTech2010, 06-17-2019 11:30 PM
    • Replies: 4
    • Views: 590
    08-09-2019, 10:50 PM Go to last post
  42. Rheem info needed

    Started by timjimbob, 08-08-2019 07:52 AM
    • Replies: 5
    • Views: 253
    08-09-2019, 06:46 PM Go to last post
  43. multiflex pipe

    Started by sodak al, 04-17-2015 05:11 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,301
    08-09-2019, 02:15 PM Go to last post
  44. Trane dual stage heat pump

    Started by kmankess, 08-08-2019 09:15 PM
    • Replies: 2
    • Views: 180
    08-09-2019, 01:39 AM Go to last post
  45. Xl20i Lowest outdoor running temperature.

    Started by kmankess, 08-06-2019 09:01 PM
    • Replies: 3
    • Views: 202
    08-08-2019, 09:10 PM Go to last post
  46. Need an older Lennox pro

    Started by GarrySch, 08-08-2019 03:25 PM
    • Replies: 8
    • Views: 268
    08-08-2019, 07:44 PM Go to last post
  47. Question Difference inverter vs dc inverter?

    Started by gustavhorna, 08-03-2019 09:31 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 552
    08-08-2019, 02:14 PM Go to last post
  48. Dumb Controls Guy Needs Help

    Started by ascj, 07-30-2019 06:46 PM
    • Replies: 11
    • Views: 575
    08-07-2019, 11:47 PM Go to last post
  49. TRANE TUH1C100 Control Board Failure?

    Started by joe_arsenal, 08-01-2019 10:39 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 494
    08-07-2019, 09:38 PM Go to last post

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