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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 or Homeowner posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 42,919
    Dad
    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
    64 Pages •
    1 2 3 4 5 6 ... 64
    • Replies: 1,275
    • Views: 223,275
    30GTN150
    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
    14 Pages •
    1 2 3 4 5 6 ... 14
    3 Attachment(s)
    • Replies: 260
    • Views: 46,765
    Poodle Head Mikey
    07-24-2016, 08:11 PM Go to last post

  4. refrigerant restriction

    Started by johnnyb, 05-03-2014 10:37 AM
    13 Pages •
    1 2 3 4 5 6 ... 13
    • Replies: 240
    • Views: 39,442
    ICanHas
    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
    12 Pages •
    1 2 3 4 5 6 ... 12
    1 Attachment(s)
    • Replies: 225
    • Views: 22,558
    kangaroogod
    07-07-2018, 08:02 PM Go to last post

  6. Got Knocked on my butt today. UPDATE: Non Contact Voltage Detector

    Started by newoldtech, 07-31-2020 06:45 PM
    12 Pages •
    1 2 3 4 5 6 ... 12
    1 Attachment(s)
    • Replies: 224
    • Views: 31,243
    actech2
    09-25-2020, 10:43 PM Go to last post

  7. The definitive rules of micron gauge readings and interpretations here:

    Started by Tool-Slinger, 07-13-2014 07:15 PM
    10 Pages •
    1 2 3 4 5 6 ... 10
    8 Attachment(s)
    • Replies: 187
    • Views: 69,009
    R600a
    06-13-2021, 04:30 PM Go to last post

  8. Anyone doing Family Dollar or Dollar General service?

    Started by MechTech2013, 06-06-2014 02:04 AM
    10 Pages •
    1 2 3 4 5 6 ... 10
    4 Attachment(s)
    • Replies: 186
    • Views: 62,557
    MechTech2013
    11-18-2015, 11:10 PM Go to last post

  9. Riddle Me This . . . 22/410A

    Started by BBeerme, 03-21-2017 07:19 PM
    10 Pages •
    1 2 3 4 5 6 ... 10
    1 Attachment(s)
    • Replies: 184
    • Views: 36,542
    BBeerme
    09-08-2023, 10:04 AM Go to last post

  10. Commercial HVAC Tech Shortage

    Started by AdrianOmarPerez, 09-18-2021 05:01 PM
    10 Pages •
    1 2 3 4 5 6 ... 10
    • Replies: 181
    • Views: 25,163
    chillerking
    10-23-2021, 11:41 AM Go to last post

  11. Finding a vacuum leak

    Started by jimp, 05-23-2017 08:22 PM
    9 Pages •
    1 2 3 4 5 6 ... 9
    5 Attachment(s)
    • Replies: 178
    • Views: 25,667
    joeyd
    06-20-2017, 03:48 PM Go to last post

  12. Gordon piatt burners

    Started by bcharlesm30, 02-14-2017 07:38 PM
    9 Pages •
    1 2 3 4 5 6 ... 9
    2 Attachment(s)
    • Replies: 168
    • Views: 22,879
    beenthere
    04-29-2017, 09:32 AM Go to last post

  13. R-410 to R-134 conversion

    Started by Poodle Head Mikey, 06-25-2016 05:32 PM
    8 Pages •
    1 2 3 4 5 6 ... 8
    1 Attachment(s)
    • Replies: 153
    • Views: 25,187
    Scott Kline
    07-14-2016, 10:27 PM Go to last post

  14. on call

    Started by northeastbeast, 08-02-2013 07:03 AM
    7 Pages •
    1 2 3 4 5 6 ... 7
    • Replies: 134
    • Views: 30,258
    uke
    09-15-2013, 10:56 AM Go to last post

  15. York high pressure

    Started by LJCB, 07-10-2023 06:11 PM
    7 Pages •
    1 2 3 4 5 6 ... 7
    2 Attachment(s)
    • Replies: 132
    • Views: 3,931
    Jshanl
    07-21-2023, 07:13 AM Go to last post

  16. Alum micro channel fix

    Started by Snapperhead, 08-19-2019 05:51 PM
    7 Pages •
    1 2 3 4 5 6 ... 7
    19 Attachment(s)
    • Replies: 128
    • Views: 16,436
    VTP99
    09-22-2019, 08:45 AM Go to last post

  17. leaking microchannel?

    Started by SeampYankee, 07-22-2018 11:05 AM
    7 Pages •
    1 2 3 4 5 6 ... 7
    1 Attachment(s)
    • Replies: 127
    • Views: 18,629
    JeffWil
    07-29-2018, 01:12 AM Go to last post

  18. Receiver Subcooling (cont.)

    Started by hvacrmedic, 06-16-2017 10:12 PM
    7 Pages •
    1 2 3 4 5 6 ... 7
    10 Attachment(s)
    • Replies: 124
    • Views: 16,666
    Andy Schoen
    03-09-2018, 08:06 PM Go to last post

  19. Confused I NEED SOME HELP YCD180 gas fired LOW HEAT ON A CHURCH

    Started by pandatimer, 11-21-2014 05:50 PM
    6 Pages •
    1 2 3 4 5 6
    9 Attachment(s)
    • Replies: 119
    • Views: 23,771
    VTP99
    11-30-2014, 02:46 AM Go to last post

  20. Is Low Pressure Steam still a thing?

    Started by DDCSD, 11-05-2015 11:02 PM
    6 Pages •
    1 2 3 4 5 6
    1 Attachment(s)
    • Replies: 119
    • Views: 19,594
    BurnerGuy
    02-13-2016, 05:57 PM Go to last post

  21. 3 phase question

    Started by YatYas, 01-08-2015 06:18 PM
    6 Pages •
    1 2 3 4 5 6
    5 Attachment(s)
    • Replies: 117
    • Views: 25,400
    timebuilder
    01-15-2015, 03:45 PM Go to last post

  22. Confused Commercial technician, thinking about switching to residential.

    Started by comoutsid322, 04-22-2013 11:43 PM
    6 Pages •
    1 2 3 4 5 6
    • Replies: 112
    • Views: 30,209
    Fla.HP
    08-31-2021, 05:22 PM Go to last post

  23. CO2 Purge for brazing?

    Started by dprimrose, 08-18-2009 10:19 PM
    6 Pages •
    1 2 3 4 5 6
    • Replies: 109
    • Views: 44,100
    AllPro Mech
    10-20-2014, 06:02 PM Go to last post

  24. Cool FengsHVAC a Professional HVAC Tech teach you how to fix the heat on Bryant Pkg Unit

    Started by fengshvac, 01-15-2013 08:25 PM
    6 Pages •
    1 2 3 4 5 6
    4 Attachment(s)
    • Replies: 106
    • Views: 22,388
    alcomech
    01-29-2013, 07:00 PM Go to last post

  25. Diagnosing a Weak Compressor

    Started by BBeerme, 06-08-2014 08:00 PM
    6 Pages •
    1 2 3 4 5 6
    4 Attachment(s)
    • Replies: 104
    • Views: 37,760
    icemeister
    07-14-2015, 09:28 AM Go to last post

  26. 3 ton R22 Herm Comp still pressures.

    Started by Chris4u13, 10-17-2016 07:03 PM
    6 Pages •
    1 2 3 4 5 6
    1 Attachment(s)
    • Replies: 104
    • Views: 16,119
    Chris4u13
    12-16-2016, 02:58 PM Go to last post

  27. Geothermal Thermodynamics Question?

    Started by HVAC/R TEK-83, 04-12-2023 08:37 AM
    6 Pages •
    1 2 3 4 5 6
    6 Attachment(s)
    • Replies: 103
    • Views: 5,943
    R600a
    04-20-2023, 10:30 AM Go to last post

  28. someone have an explaination for this?

    Started by Service93, 06-30-2016 10:23 PM
    6 Pages •
    1 2 3 4 5 6
    • Replies: 102
    • Views: 17,369
    richper
    07-29-2016, 10:53 AM Go to last post

  29. Belt Tightening

    Started by Michael Baldwin, 10-18-2015 08:43 AM
    6 Pages •
    1 2 3 4 5 6
    1 Attachment(s)
    • Replies: 100
    • Views: 31,932
    firume
    10-17-2016, 11:00 PM Go to last post

  30. Carlyle compressor

    Started by Chris1570, 08-22-2013 08:03 PM
    5 Pages •
    1 2 3 4 5
    3 Attachment(s)
    • Replies: 97
    • Views: 25,211
    Want to Learn
    05-11-2014, 03:23 PM Go to last post

  31. Cool FengsHVAC a Professional HVAC Tech teach you how to fix Ice Cream Unit from Turkey

    Started by fengshvac, 01-30-2013 09:24 PM
    5 Pages •
    1 2 3 4 5
    7 Attachment(s)
    • Replies: 96
    • Views: 22,122
    chaard
    02-04-2013, 11:14 AM Go to last post

  32. Plant operator??

    Started by newtradesman, 10-21-2004 04:59 PM
    5 Pages •
    1 2 3 4 5
    • Replies: 96
    • Views: 19,487
    jpsmith1cm
    01-21-2013, 05:50 PM Go to last post

  33. VRF

    Started by acman17, 05-19-2014 08:20 PM
    5 Pages •
    1 2 3 4 5
    • Replies: 91
    • Views: 31,577
    manny238
    05-08-2016, 02:32 PM Go to last post

  34. EXV problems on Carrier 30GT Chiller

    Started by hvac-alan, 09-02-2005 07:23 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 91
    • Views: 64,360
    Greg LaMar
    08-08-2013, 06:59 PM Go to last post

  35. Regret

    Started by teammix, 09-21-2016 11:13 AM
    5 Pages •
    1 2 3 4 5
    2 Attachment(s)
    • Replies: 90
    • Views: 17,258
    mccann
    10-28-2016, 08:25 AM Go to last post

  36. A Fun Question . . .

    Started by BBeerme, 06-27-2014 10:01 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 90
    • Views: 14,935
    Bismarck
    07-04-2014, 01:38 AM Go to last post

  37. York RTU heating Ignition control failure during AC, unit locks out??

    Started by tcape, 07-22-2016 03:52 PM
    5 Pages •
    1 2 3 4 5
    • Replies: 90
    • Views: 59,575
    Gary Warren Jr
    01-29-2023, 05:44 PM Go to last post

  38. Compressor not starting.

    Started by Rick Dreyer, 04-29-2015 01:02 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 90
    • Views: 25,987
    BBeerme
    06-28-2015, 11:28 AM Go to last post

  39. Frozen moister clogs the suction filter inside a carrier compressor.

    Started by Kamoz, 05-14-2021 06:28 AM
    5 Pages •
    1 2 3 4 5
    2 Attachment(s)
    • Replies: 90
    • Views: 11,783
    hvacker
    06-04-2021, 07:36 PM Go to last post

  40. So, would you fire me?

    Started by Turnertech41, 03-10-2015 05:23 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 89
    • Views: 25,354
    captaincompressor
    04-14-2015, 10:59 AM Go to last post

  41. Help! Uneven amp draw on fan motor.

    Started by DanDaMan370, 08-28-2015 12:29 AM
    5 Pages •
    1 2 3 4 5
    3 Attachment(s)
    • Replies: 89
    • Views: 17,703
    timebuilder
    08-30-2015, 06:08 PM Go to last post
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