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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: 11,845
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,236
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. HVAC Air cooling / Heating system

    Started by Srevdan, 01-17-2017 08:13 AM
    • Replies: 2
    • Views: 665
    01-17-2017, 12:03 PM Go to last post
  3. Question What HVAC process has a byproduct of increasing OUTSIDE humidity?

    Started by AKkid, 12-16-2016 09:38 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,049
    01-16-2017, 01:29 PM Go to last post
  4. Confused unlicensed ducting work by employee illegal?

    Started by phallune, 01-04-2017 09:51 PM
    2 Pages
    1 2
    commercial, hvac, laws
    • Replies: 19
    • Views: 2,298
    01-16-2017, 01:17 PM Go to last post
  5. Vulcan convection oven ignition issues

    Started by Peter Landerman, 01-13-2017 09:41 PM
    • Replies: 1
    • Views: 630
    01-13-2017, 09:42 PM Go to last post
  6. carrier 50tc

    Started by Calebk414, 01-12-2017 10:52 PM
    • Replies: 4
    • Views: 696
    01-13-2017, 07:09 AM Go to last post
  7. Pot feeder vs axiom glycol feeder

    Started by bmcmechanical, 01-11-2017 09:55 PM
    • Replies: 0
    • Views: 587
    01-11-2017, 09:55 PM Go to last post
  8. Confused Munchkin 399M issue

    Started by Woodbadge, 01-10-2017 12:46 PM
    • Replies: 3
    • Views: 634
    01-11-2017, 11:50 AM Go to last post
  9. Nest with Nailor

    Started by Townshend, 01-05-2017 11:36 PM
    • Replies: 5
    • Views: 979
    01-07-2017, 11:57 AM Go to last post
  10. retrofit 1947 bastian blessing soda fountain

    Started by muzzi, 01-01-2017 10:23 PM
    • Replies: 6
    • Views: 867
    01-06-2017, 12:46 PM Go to last post
    • Replies: 7
    • Views: 778
    01-04-2017, 11:38 PM Go to last post
  11. Pain in Butt Mini Split

    Started by jmatson, 12-26-2016 06:22 PM
    5 Pages
    1 2 3 4 5
    • Replies: 52
    • Views: 3,853
    01-02-2017, 10:25 AM Go to last post
  12. refrigerant recovery cylinder

    Started by agnes, 12-28-2016 01:32 PM
    • Replies: 4
    • Views: 953
    12-31-2016, 09:39 PM Go to last post
  13. Carrier chiller

    Started by uke, 12-15-2016 12:01 PM
    • Replies: 4
    • Views: 842
    12-24-2016, 01:15 PM Go to last post
  14. Carrier LDT 006 Replacement on same curb?

    Started by ssuthar, 12-22-2016 12:34 PM
    • Replies: 4
    • Views: 561
    12-22-2016, 06:19 PM Go to last post
  15. Taylor 432-27 - Left Barrel Not Freezing

    Started by Youngj100, 12-18-2016 10:43 PM
    • Replies: 2
    • Views: 640
    12-19-2016, 08:57 AM Go to last post
  16. double stack blodgett DFG-100

    Started by ruthraich, 12-18-2016 08:00 PM
    • Replies: 0
    • Views: 455
    12-18-2016, 08:00 PM Go to last post
    • Replies: 3
    • Views: 1,106
    12-15-2016, 02:57 PM Go to last post
  17. LG Multi v water source vrf system "PROBLEMS"

    Started by Joewf, 12-10-2016 01:29 PM
    • Replies: 3
    • Views: 989
    12-10-2016, 02:21 PM Go to last post
    • Replies: 0
    • Views: 724
    12-10-2016, 12:54 PM Go to last post
  18. Vacuum microns

    Started by clynch6592, 12-09-2016 08:48 AM
    • Replies: 3
    • Views: 643
    12-09-2016, 09:02 AM Go to last post
  19. Trane Voyager gas heat issue

    Started by Ravens1818, 12-07-2016 06:41 PM
    • Replies: 6
    • Views: 869
    12-08-2016, 11:29 AM Go to last post
  20. Confused Lochinvar PB-500 issue

    Started by Woodbadge, 12-07-2016 10:39 AM
    • Replies: 0
    • Views: 477
    12-07-2016, 10:39 AM Go to last post
  21. Need Help With Trane Unit!!!!

    Started by AMSsalesGUY, 12-06-2016 04:24 PM
    commercial, hvac, roof top, trane
    • Replies: 3
    • Views: 815
    12-07-2016, 12:38 AM Go to last post
  22. Mitsubishi Split unit - Multi Zone question

    Started by VAEngineer, 12-01-2016 10:52 AM
    • Replies: 6
    • Views: 929
    12-05-2016, 09:15 AM Go to last post
    • Replies: 0
    • Views: 535
    12-04-2016, 12:22 AM Go to last post
  23. Anyone know of any 638 shops hiring mechanics

    Started by clynch6592, 11-30-2016 08:35 PM
    • Replies: 1
    • Views: 545
    11-30-2016, 09:36 PM Go to last post
  24. Problem with a Trane RTHB 180

    Started by Ricardo Thom, 12-17-2014 08:32 AM
    • Replies: 4
    • Views: 1,697
    11-29-2016, 09:54 AM Go to last post
  25. How secure a ladder and add 2 feet

    Started by Af02145, 11-28-2016 09:03 PM
    • Replies: 2
    • Views: 904
    11-29-2016, 07:57 AM Go to last post
  26. reznor Udap 200 mounting question

    Started by classiccarswest, 11-26-2016 09:06 PM
    • Replies: 4
    • Views: 635
    11-27-2016, 03:19 PM Go to last post
  27. Transformer Room Ventilation Calculation

    Started by HVACMAN20, 11-17-2016 11:52 AM
    • Replies: 6
    • Views: 1,486
    11-26-2016, 01:09 PM Go to last post
  28. Federal reach in cooler

    Started by tommymc, 11-20-2016 04:50 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,081
    11-25-2016, 12:21 PM Go to last post
  29. Confused Temp and high side pressure spiking every ~30min

    Started by cpoppe, 11-23-2016 02:36 PM
    • Replies: 0
    • Views: 584
    11-23-2016, 02:36 PM Go to last post
  30. Help needed on YCAZ88ME2 York Chiller

    Started by heero85, 11-19-2016 10:53 PM
    • Replies: 3
    • Views: 886
    11-20-2016, 01:32 PM Go to last post
    • Replies: 16
    • Views: 1,173
    11-19-2016, 12:08 PM Go to last post
  31. Old Honeywell Pneumatic controls question

    Started by cfenter, 11-11-2016 03:40 PM
    • Replies: 1
    • Views: 600
    11-18-2016, 02:26 AM Go to last post
  32. Means of MUA in commercial kitchen

    Started by Crusader, 11-14-2016 05:25 PM
    • Replies: 10
    • Views: 1,296
    11-17-2016, 10:17 PM Go to last post
  33. Relative Humidity Oscillation

    Started by HVACnewguy15, 10-25-2016 10:18 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,617
    11-17-2016, 01:23 PM Go to last post
    • Replies: 4
    • Views: 623
    11-16-2016, 11:20 AM Go to last post
  34. guidance needed

    Started by durriya, 10-10-2016 10:54 AM
    • Replies: 6
    • Views: 1,119
    11-12-2016, 10:51 PM Go to last post
  35. Micronet 2000 Controllers (failed)?

    Started by iceair, 11-11-2016 04:16 PM
    • Replies: 0
    • Views: 385
    11-11-2016, 04:16 PM Go to last post
  36. Alerton VAV-SD2A airflow troubleshooting

    Started by Pgh HVAC Teache, 11-07-2016 03:36 PM
    • Replies: 4
    • Views: 541
    11-07-2016, 07:54 PM Go to last post
  37. HELP - High EV Pressure

    Started by dc17ret, 11-07-2016 09:58 AM
    • Replies: 0
    • Views: 460
    11-07-2016, 09:58 AM Go to last post
  38. HEPA room with positive pressure

    Started by michaeljc, 11-05-2016 05:53 PM
    • Replies: 5
    • Views: 754
    11-06-2016, 08:45 PM Go to last post
    • Replies: 1
    • Views: 467
    11-06-2016, 08:29 AM Go to last post
  39. York YMC Chillers

    Started by eljr, 11-05-2016 04:21 PM
    • Replies: 0
    • Views: 338
    11-05-2016, 04:21 PM Go to last post
  40. Confused What is the Best 40+ ton Roof Top Unit

    Started by mpeters, 11-02-2016 11:44 AM
    • Replies: 5
    • Views: 870
    11-04-2016, 04:04 PM Go to last post
    • Replies: 0
    • Views: 563
    11-02-2016, 05:37 PM Go to last post
    • Replies: 5
    • Views: 564
    11-02-2016, 12:34 AM Go to last post
  41. Using Rooftop AC for Kitchen EF makeup

    Started by davehealey, 10-31-2016 12:50 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,064
    11-01-2016, 03:33 PM Go to last post
  42. Trane tr200

    Started by Rene everett, 10-29-2016 01:47 PM
    • Replies: 6
    • Views: 740
    11-01-2016, 10:13 AM Go to last post

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