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Forum: Tech to Tech Chat - Commercial

FOR TECHNICAL CHAT BETWEEN INDUSTRY WORKERS ONLY. NO AOP OR DIY** This forum is for Technical Chat in the Commercial 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. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 15,780
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. cooling a small server room

    Started by serverroomcooling, 11-16-2004 11:04 AM
    99 Pages
    1 2 3 4 5 6 ... 99
    • Replies: 1,275
    • Views: 180,908
    07-28-2013, 09:10 AM Go to last post
  3. Carrier will lay off 2100 peaple

    Started by servicefitter, 02-11-2016 09:18 PM
    21 Pages
    1 2 3 4 5 6 ... 21
    • Replies: 260
    • Views: 26,801
    07-24-2016, 08:11 PM Go to last post
  4. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    19 Pages
    1 2 3 4 5 6 ... 19
    • Replies: 240
    • Views: 32,676
    08-02-2014, 09:11 PM Go to last post
  5. Wire sizing and maximum over current protection device sizing

    Started by R123, 06-30-2018 08:09 PM
    18 Pages
    1 2 3 4 5 6 ... 18
    • Replies: 225
    • Views: 7,032
    07-07-2018, 08:02 PM Go to last post
  6. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 02:04 AM
    15 Pages
    1 2 3 4 5 6 ... 15
    • Replies: 186
    • Views: 44,188
    11-18-2015, 11:10 PM Go to last post
  7. Finding a vacuum leak

    Started by jimp, 05-23-2017 08:22 PM
    14 Pages
    1 2 3 4 5 6 ... 14
    • Replies: 178
    • Views: 13,038
    06-20-2017, 03:48 PM Go to last post
    • Replies: 176
    • Views: 37,687
    07-25-2014, 04:26 PM Go to last post
  8. Riddle Me This . . . 22/410A

    Started by BBeerme, 03-21-2017 07:19 PM
    14 Pages
    1 2 3 4 5 6 ... 14
    • Replies: 175
    • Views: 11,131
    04-01-2017, 04:33 PM Go to last post
  9. Gordon piatt burners

    Started by bcharlesm30, 02-14-2017 07:38 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 168
    • Views: 12,532
    04-29-2017, 09:32 AM Go to last post
  10. R-410 to R-134 conversion

    Started by Poodle Head Mikey, 06-25-2016 05:32 PM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 153
    • Views: 12,129
    07-14-2016, 10:27 PM Go to last post
  11. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    11 Pages
    1 2 3 4 5 6 ... 11
    • Replies: 134
    • Views: 26,069
    09-15-2013, 10:56 AM Go to last post
  12. Alum micro channel fix

    Started by Snapperhead, 08-19-2019 05:51 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 128
    • Views: 7,162
    09-22-2019, 08:45 AM Go to last post
  13. leaking microchannel?

    Started by SeampYankee, 07-22-2018 11:05 AM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 127
    • Views: 7,315
    07-29-2018, 01:12 AM Go to last post
  14. Receiver Subcooling (cont.)

    Started by hvacrmedic, 06-16-2017 10:12 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 124
    • Views: 6,990
    03-09-2018, 08:06 PM Go to last post
  15. Confused I NEED SOME HELP YCD180 gas fired LOW HEAT ON A CHURCH

    Started by pandatimer, 11-21-2014 05:50 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 119
    • Views: 17,854
    11-30-2014, 02:46 AM Go to last post
  16. Is Low Pressure Steam still a thing?

    Started by DDCSD, 11-05-2015 11:02 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 119
    • Views: 12,156
    02-13-2016, 05:57 PM Go to last post
  17. 3 phase question

    Started by YatYas, 01-08-2015 06:18 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 117
    • Views: 19,940
    01-15-2015, 03:45 PM Go to last post
  18. CO2 Purge for brazing?

    Started by dprimrose, 08-18-2009 10:19 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 109
    • Views: 32,523
    10-20-2014, 06:02 PM Go to last post
    • Replies: 106
    • Views: 18,117
    01-29-2013, 07:00 PM Go to last post
  19. Diagnosing a Weak Compressor

    Started by BBeerme, 06-08-2014 08:00 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 104
    • Views: 26,595
    07-14-2015, 09:28 AM Go to last post
  20. 3 ton R22 Herm Comp still pressures.

    Started by Chris4u13, 10-17-2016 07:03 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 104
    • Views: 8,585
    12-16-2016, 02:58 PM Go to last post
  21. someone have an explaination for this?

    Started by Service93, 06-30-2016 10:23 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 102
    • Views: 9,639
    07-29-2016, 10:53 AM Go to last post
  22. Confused Commercial technician, thinking about switching to residential.

    Started by comoutsid322, 04-22-2013 11:43 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 101
    • Views: 19,758
    09-28-2013, 02:17 PM Go to last post
  23. Belt Tightening

    Started by Michael Baldwin, 10-18-2015 08:43 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 100
    • Views: 18,894
    10-17-2016, 11:00 PM Go to last post
  24. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 97
    • Views: 19,587
    05-11-2014, 03:23 PM Go to last post
  25. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 96
    • Views: 15,605
    01-21-2013, 05:50 PM Go to last post
    • Replies: 96
    • Views: 17,268
    02-04-2013, 11:14 AM Go to last post
  26. EXV problems on Carrier 30GT Chiller

    Started by hvac-alan, 09-02-2005 07:23 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 55,137
    08-08-2013, 06:59 PM Go to last post
  27. VRF

    Started by acman17, 05-19-2014 08:20 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 91
    • Views: 25,260
    05-08-2016, 02:32 PM Go to last post
  28. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 11,440
    07-04-2014, 01:38 AM Go to last post
  29. Compressor not starting.

    Started by Rick Dreyer, 04-29-2015 01:02 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 17,456
    06-28-2015, 11:28 AM Go to last post
  30. Regret

    Started by teammix, 09-21-2016 11:13 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 90
    • Views: 9,406
    10-28-2016, 08:25 AM Go to last post
  31. So, would you fire me?

    Started by Turnertech41, 03-10-2015 05:23 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 89
    • Views: 17,875
    04-14-2015, 10:59 AM Go to last post
  32. Help! Uneven amp draw on fan motor.

    Started by DanDaMan370, 08-28-2015 12:29 AM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 89
    • Views: 12,104
    08-30-2015, 06:08 PM Go to last post
  33. Brazing with refrigerant in pipe

    Started by HuNGRYTeCH, 05-22-2012 03:15 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 86
    • Views: 21,324
    06-21-2012, 10:06 PM Go to last post
  34. The Double Flare

    Started by BBeerme, 04-21-2016 09:22 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 85
    • Views: 16,253
    07-22-2019, 04:43 AM Go to last post
  35. Trane compressor not coming on

    Started by bwd111, 08-15-2014 02:51 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 14,001
    08-29-2014, 11:42 PM Go to last post
  36. R22 replacements

    Started by rhumbard, 09-19-2014 09:46 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 84
    • Views: 18,239
    10-03-2014, 05:56 AM Go to last post
  37. Water Treatment Questions Welcome!

    Started by waterworld, 11-13-2010 12:48 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 82
    • Views: 22,663
    09-09-2018, 05:09 PM Go to last post
  38. Can we use 2 legs of three phase power for a heat pump?

    Started by Adamatim1, 01-21-2017 05:30 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 82
    • Views: 16,634
    01-31-2017, 11:12 PM Go to last post

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