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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: 6,035
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 5,136
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Carrier Infinity System with multzones

    Started by coldasice2, 04-11-2012 05:54 PM
    • Replies: 1
    • Views: 857
    04-11-2012, 07:49 PM Go to last post
  3. Commercial HVAC Manufacturers

    Started by bandit2012, 04-10-2012 02:35 PM
    • Replies: 4
    • Views: 1,510
    04-11-2012, 07:45 PM Go to last post
  4. Carrier 23XL Compressor Question

    Started by rustygray, 04-05-2012 02:12 PM
    • Replies: 6
    • Views: 1,612
    04-09-2012, 11:24 AM Go to last post
    • Replies: 5
    • Views: 938
    04-08-2012, 05:35 PM Go to last post
  5. Grounded RTU compressor

    Started by abcando, 04-05-2012 10:24 PM
    • Replies: 12
    • Views: 1,674
    04-06-2012, 09:53 PM Go to last post
  6. Confused York YR Screw

    Started by rnp125, 04-06-2012 12:49 PM
    • Replies: 0
    • Views: 681
    04-06-2012, 12:49 PM Go to last post
  7. Frown Looking for wiring diagrams

    Started by volts10, 03-29-2012 08:32 AM
    • Replies: 1
    • Views: 962
    04-06-2012, 11:52 AM Go to last post
  8. Applied Air System

    Started by GNP Boys, 04-05-2012 06:08 AM
    • Replies: 2
    • Views: 757
    04-05-2012, 10:55 PM Go to last post
  9. Confused Seimens Tec 903 Fume hood controlller 456-00701

    Started by hek, 03-07-2012 02:54 PM
    • Replies: 1
    • Views: 1,031
    04-04-2012, 06:07 PM Go to last post
  10. HVAC Design for Hyperbaric Treatment Rooms

    Started by MechGirl, 03-29-2012 02:49 PM
    • Replies: 3
    • Views: 1,724
    04-04-2012, 08:59 AM Go to last post
    • Replies: 8
    • Views: 1,761
    04-02-2012, 06:57 AM Go to last post
  11. Best Unit for 3700ft commercial space

    Started by Lou Apo, 03-28-2012 04:38 PM
    • Replies: 11
    • Views: 1,353
    04-01-2012, 10:29 PM Go to last post
  12. Radiant vs Air Rotation Units

    Started by billybetts, 03-20-2012 08:56 PM
    • Replies: 4
    • Views: 1,260
    04-01-2012, 10:02 PM Go to last post
  13. hydronic mystery

    Started by indyapprentice440, 03-30-2012 06:52 PM
    • Replies: 1
    • Views: 790
    03-30-2012, 08:03 PM Go to last post
  14. Frown Des Champs Technologies 100% O.A.

    Started by emf1, 03-29-2012 03:18 PM
    • Replies: 0
    • Views: 760
    03-29-2012, 03:18 PM Go to last post
  15. Air separator on chilled water lines

    Started by DKinYORKpa, 09-17-2009 05:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 12,909
    03-24-2012, 10:24 AM Go to last post
  16. Old Trane RTU model number help

    Started by vskaria, 03-14-2012 02:14 PM
    • Replies: 2
    • Views: 2,533
    03-23-2012, 03:46 PM Go to last post
  17. Commercial Boiler Burner Question

    Started by josh1, 03-15-2012 11:35 AM
    • Replies: 5
    • Views: 1,437
    03-22-2012, 07:10 PM Go to last post
  18. Confused Flaoting head pressure

    Started by sm91737, 03-21-2012 01:29 PM
    • Replies: 5
    • Views: 1,073
    03-22-2012, 10:50 AM Go to last post
  19. humidity control for hospital surgery room

    Started by xrqp, 02-22-2012 01:54 AM
    • Replies: 11
    • Views: 2,843
    03-20-2012, 06:07 AM Go to last post
  20. Freon 22 monitoring

    Started by Darrell Moody, 03-16-2012 01:45 PM
    • Replies: 9
    • Views: 1,293
    03-19-2012, 09:28 PM Go to last post
  21. Make Up Air Help!!!!

    Started by blkmz3, 03-19-2012 10:57 AM
    • Replies: 1
    • Views: 765
    03-19-2012, 12:00 PM Go to last post
  22. QUESTIONS ABOUT MED CENTER HVAC

    Started by abbysilverman, 03-17-2012 04:50 PM
    • Replies: 6
    • Views: 976
    03-19-2012, 09:06 AM Go to last post
  23. york ypal085e rtu cfm issue

    Started by Jersey Boy, 03-16-2012 11:40 AM
    • Replies: 3
    • Views: 943
    03-16-2012, 01:50 PM Go to last post
  24. Indoor ice maker outdoors

    Started by Slage, 03-15-2012 08:30 AM
    • Replies: 5
    • Views: 1,597
    03-16-2012, 08:27 AM Go to last post
  25. Question Lennox FHM120N and RTY20PC - Exploded Views

    Started by luismc.costa, 03-16-2012 07:55 AM
    • Replies: 0
    • Views: 966
    03-16-2012, 07:55 AM Go to last post
  26. Carrier 19XR, electrical

    Started by maincustom43, 03-15-2012 01:37 PM
    • Replies: 1
    • Views: 1,422
    03-15-2012, 05:23 PM Go to last post
  27. looking for a contractor in my area, W Michigan

    Started by Murfster, 03-15-2012 01:01 PM
    • Replies: 0
    • Views: 631
    03-15-2012, 01:01 PM Go to last post
  28. Boiler Seriving Price Check

    Started by dieseltwitch, 03-14-2012 06:43 PM
    • Replies: 4
    • Views: 841
    03-15-2012, 06:17 AM Go to last post
  29. Fulton pulse boilers

    Started by Luke84, 03-12-2012 09:36 AM
    • Replies: 1
    • Views: 1,002
    03-14-2012, 12:23 AM Go to last post
  30. Rule of thumb: Sq Ft per ton of A/C

    Started by Possumking, 09-04-2008 08:02 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 136,223
    03-13-2012, 09:18 PM Go to last post
  31. Trane WSHP question

    Started by Pat A/C, 03-08-2012 09:06 AM
    • Replies: 6
    • Views: 1,204
    03-13-2012, 08:08 PM Go to last post
  32. Confused Carrier 50HJQ008 RTU tripping out

    Started by topper1, 03-13-2012 07:58 PM
    • Replies: 0
    • Views: 898
    03-13-2012, 07:58 PM Go to last post
  33. PETRA CHILLER APS300-2S

    Started by coldrig, 03-13-2012 08:58 AM
    • Replies: 0
    • Views: 991
    03-13-2012, 08:58 AM Go to last post
  34. Replacement compressor with no filter drier?

    Started by facilityguy, 03-11-2012 08:38 PM
    • Replies: 3
    • Views: 1,473
    03-13-2012, 06:14 AM Go to last post
  35. Fire Station Carrier AC Question

    Started by maitai11, 03-11-2012 10:24 PM
    • Replies: 5
    • Views: 929
    03-12-2012, 08:15 AM Go to last post
  36. Fireye nexus controls

    Started by bobby m, 09-02-2010 06:06 PM
    • Replies: 4
    • Views: 1,775
    03-11-2012, 10:48 AM Go to last post
  37. Built in the 70's: Day/Night Fan operation

    Started by BostonEng, 03-01-2012 04:21 PM
    • Replies: 1
    • Views: 843
    03-11-2012, 10:45 AM Go to last post
  38. HVAC vs. Refrigeration

    Started by WaterStreet, 03-08-2012 12:18 AM
    condenser, hvac, refrigation cycle
    • Replies: 8
    • Views: 2,925
    03-10-2012, 05:25 PM Go to last post
  39. PCDCT

    Started by abdalhmeed, 03-07-2012 01:42 PM
    • Replies: 2
    • Views: 1,656
    03-10-2012, 03:57 PM Go to last post
  40. pump seal wisdom required

    Started by IDMT92, 03-10-2012 10:52 AM
    • Replies: 3
    • Views: 841
    03-10-2012, 12:42 PM Go to last post
    • Replies: 6
    • Views: 1,128
    03-10-2012, 12:32 AM Go to last post
  41. Trane versus Rheem?

    Started by tooearly, 03-07-2012 12:28 AM
    • Replies: 1
    • Views: 1,328
    03-09-2012, 11:40 PM Go to last post
  42. Penalty for Lack of Boiler Inspection

    Started by dieseltwitch, 03-08-2012 10:36 PM
    • Replies: 3
    • Views: 1,133
    03-09-2012, 10:11 PM Go to last post
  43. Duct Velocity for restaurant

    Started by taishan, 02-28-2012 02:02 PM
    • Replies: 4
    • Views: 1,482
    03-08-2012, 05:31 PM Go to last post
  44. Filtering Condener water

    Started by Piratebones, 03-06-2012 04:16 PM
    • Replies: 12
    • Views: 1,479
    03-07-2012, 04:51 PM Go to last post
  45. Bryant 7.5 ton heating exhaust issue

    Started by mattinorange, 03-02-2012 02:18 AM
    • Replies: 7
    • Views: 1,058
    03-02-2012, 09:50 PM Go to last post
  46. Life Expectancy

    Started by AGaito, 02-24-2012 11:43 AM
    • Replies: 6
    • Views: 2,884
    03-01-2012, 01:21 AM Go to last post
  47. Honeywell fire/smoke damper actuators

    Started by who cares, 11-15-2005 11:59 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 24,392
    02-24-2012, 08:46 PM Go to last post
  48. Confused Brand X boiler hard light-off

    Started by boilerxprt, 02-14-2012 06:22 PM
    • Replies: 2
    • Views: 1,109
    02-24-2012, 08:35 PM Go to last post

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