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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

  2. Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 15,456
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 13,192
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Return fan needed on meeting room AHU?

    Started by Gdh33, Yesterday 07:42 PM
    • Replies: 0
    • Views: 58
    Yesterday, 07:42 PM Go to last post
  3. leave fan on or auto?

    Started by wcrr, 09-17-2019 05:46 PM
    • Replies: 2
    • Views: 244
    09-18-2019, 08:28 AM Go to last post
  4. Sizing and installation advice needed

    Started by rsummerell92, 09-16-2019 05:05 PM
    • Replies: 1
    • Views: 165
    09-17-2019, 10:56 AM Go to last post
  5. Bleed and non bleed TXV

    Started by ddkk0099, 09-12-2019 10:28 AM
    • Replies: 3
    • Views: 423
    09-13-2019, 07:29 AM Go to last post
  6. Air curtains

    Started by nickpt828, 09-11-2019 06:28 PM
    • Replies: 2
    • Views: 209
    09-11-2019, 07:47 PM Go to last post
  7. True Model T-49

    Started by mbryanton, 09-11-2019 07:22 AM
    • Replies: 10
    • Views: 289
    09-11-2019, 08:09 AM Go to last post
  8. Carrier 30RB Chillers

    Started by RJHOLGATE, 09-10-2019 11:56 AM
    • Replies: 0
    • Views: 205
    09-10-2019, 11:56 AM Go to last post
    • Replies: 2
    • Views: 220
    09-08-2019, 09:28 AM Go to last post
  9. mammoth rtu questions

    Started by Daniel Hanley, 09-05-2019 01:18 PM
    • Replies: 4
    • Views: 292
    09-06-2019, 07:40 AM Go to last post
  10. VRF hvac systems

    Started by RtJohnson, 08-30-2019 09:12 AM
    • Replies: 5
    • Views: 366
    09-06-2019, 06:29 AM Go to last post
  11. Model Water Source/Ground Source VRF in HAP

    Started by keithcm, 08-30-2019 04:17 PM
    • Replies: 0
    • Views: 285
    08-30-2019, 04:17 PM Go to last post
  12. York DH078N10P4EAA1A

    Started by Coolmac7!, 08-29-2019 07:41 PM
    • Replies: 2
    • Views: 241
    08-29-2019, 08:35 PM Go to last post
    • Replies: 0
    • Views: 240
    08-29-2019, 07:05 AM Go to last post
  13. Low Ambinent controller

    Started by LVM, 08-25-2019 05:06 PM
    • Replies: 6
    • Views: 426
    08-26-2019, 06:33 PM Go to last post
  14. Bleeing air from big system help

    Started by sowndman, 08-23-2019 12:28 AM
    • Replies: 3
    • Views: 387
    08-25-2019, 12:12 AM Go to last post
  15. Daikin communication troubles

    Started by Hosspower03, 08-23-2019 10:03 PM
    • Replies: 2
    • Views: 307
    08-24-2019, 10:52 AM Go to last post
    • Replies: 2
    • Views: 269
    08-23-2019, 01:59 PM Go to last post
  16. Manitowac Gear box question

    Started by Sean Gilmore, 08-22-2019 06:33 AM
    • Replies: 2
    • Views: 298
    08-22-2019, 09:57 AM Go to last post
  17. Auditorium high humidity

    Started by tschnuckel, 08-13-2019 08:08 PM
    • Replies: 5
    • Views: 576
    08-20-2019, 04:32 PM Go to last post
  18. Switching from Propane to Gas

    Started by MMiser, 08-19-2019 05:15 PM
    • Replies: 6
    • Views: 358
    08-20-2019, 12:43 PM Go to last post
  19. WAYS TO SAVE ENERGY ON CHILLER OPERATING COST

    Started by garrygeorge, 08-01-2019 03:39 AM
    • Replies: 3
    • Views: 537
    08-20-2019, 12:25 AM Go to last post
    • Replies: 5
    • Views: 718
    08-19-2019, 04:52 PM Go to last post
  20. Need help with walk in freezer diagnostic

    Started by dcraig79, 08-14-2019 12:20 PM
    • Replies: 3
    • Views: 333
    08-19-2019, 11:09 AM Go to last post
    • Replies: 2
    • Views: 264
    08-19-2019, 07:42 AM Go to last post
    • Replies: 2
    • Views: 289
    08-18-2019, 11:50 AM Go to last post
  21. Mitsubishi m# PLA-A42BA4

    Started by Mhunter929, 08-14-2019 02:58 PM
    • Replies: 4
    • Views: 341
    08-15-2019, 08:32 AM Go to last post
  22. Confused Condensor water Temperature for Walk-in

    Started by bz1109, 08-09-2019 06:58 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,003
    08-11-2019, 10:09 AM Go to last post
  23. Confused HGBP, Queston on DUNHAM BUCH WCFX Chillers

    Started by Chilly56, 08-08-2019 02:27 PM
    chiller, hgbp, hvac, refrigerant
    • Replies: 0
    • Views: 258
    08-08-2019, 02:27 PM Go to last post
    • Replies: 12
    • Views: 849
    08-07-2019, 10:19 PM Go to last post
  24. calculating the charge

    Started by BOBDION, 07-29-2019 01:45 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 674
    08-05-2019, 06:54 AM Go to last post
    • Replies: 1
    • Views: 331
    08-05-2019, 06:45 AM Go to last post
  25. Crank case heater stuck screw compressor

    Started by guysmilely, 05-22-2019 06:09 AM
    • Replies: 2
    • Views: 898
    08-02-2019, 08:49 AM Go to last post
    • Replies: 4
    • Views: 477
    08-02-2019, 07:37 AM Go to last post
  26. American Air Filter Unit Ventilator

    Started by ZOOMOIL1, 07-30-2019 04:01 PM
    • Replies: 1
    • Views: 320
    07-31-2019, 09:14 AM Go to last post
    • Replies: 27
    • Views: 947
    07-30-2019, 04:56 AM Go to last post
    • Replies: 5
    • Views: 550
    07-23-2019, 07:50 PM Go to last post
  27. Worthington A/C and Air Handler

    Started by Dustin Cox, 07-12-2019 11:23 AM
    • Replies: 2
    • Views: 686
    07-23-2019, 03:17 PM Go to last post
  28. VAV Box Energy Use and Cost

    Started by gmorris, 07-23-2019 11:40 AM
    • Replies: 0
    • Views: 329
    07-23-2019, 11:40 AM Go to last post
    • Replies: 7
    • Views: 626
    07-23-2019, 12:42 AM Go to last post
  29. Shop - 30' x 60' x 12' -- Considering adding A/C

    Started by herrmc, 07-16-2019 09:31 PM
    • Replies: 7
    • Views: 642
    07-21-2019, 07:25 AM Go to last post
  30. Brewery Kegerator issue

    Started by daveat, 07-15-2019 12:30 PM
    • Replies: 7
    • Views: 616
    07-20-2019, 07:13 PM Go to last post
    • Replies: 0
    • Views: 316
    07-20-2019, 02:44 PM Go to last post
    • Replies: 0
    • Views: 317
    07-19-2019, 12:10 PM Go to last post
  31. Leak and Inventory Logs

    Started by Scott H, 07-15-2019 04:45 PM
    • Replies: 6
    • Views: 560
    07-18-2019, 08:29 AM Go to last post
  32. Mitsubishi City

    Started by AllTemp, 07-16-2019 08:42 AM
    • Replies: 6
    • Views: 511
    07-16-2019, 07:59 PM Go to last post
  33. Air vent at work is loud

    Started by sirk, 07-11-2019 11:41 AM
    • Replies: 7
    • Views: 681
    07-12-2019, 08:29 AM Go to last post
  34. CRAC Unit Compressor

    Started by rajaizzuddin, 07-12-2019 02:59 AM
    • Replies: 0
    • Views: 593
    07-12-2019, 02:59 AM Go to last post
  35. Please help walk in cooler issues

    Started by bklnci, 07-01-2019 10:35 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 2,438
    07-10-2019, 06:23 AM Go to last post
    • Replies: 8
    • Views: 573
    07-06-2019, 01:25 PM Go to last post
  36. hvac consultants

    Started by mgcs, 07-06-2019 05:11 AM
    • Replies: 0
    • Views: 458
    07-06-2019, 05:11 AM Go to last post

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