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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 08:41 PM
    • Replies: 0
    • Views: 4,765
    10-31-2011, 08:41 PM Go to last post
    • Replies: 0
    • Views: 3,988
    10-31-2011, 08:37 PM Go to last post
  1. Normal Thread Normal Threads

    Title / Thread Starter Replies / Views Last Post By
  2. Disconnected ducts in the ceiling

    Started by Insights, 04-25-2012 11:20 AM
    • Replies: 2
    • Views: 1,131
    04-25-2012, 04:58 PM Go to last post
  3. voyager fan

    Started by Stump659, 04-24-2012 08:25 AM
    • Replies: 4
    • Views: 907
    04-25-2012, 06:57 AM Go to last post
  4. YCAS Slide valve problem?

    Started by CJ868, 04-18-2012 01:25 PM
    • Replies: 6
    • Views: 1,553
    04-23-2012, 12:43 AM Go to last post
  5. Hmm Trane Model Numbers?

    Started by Paulio, 03-10-2008 12:02 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 57,446
    04-22-2012, 05:19 PM Go to last post
  6. 0-10 vdc actuator with a 4-20 ma output

    Started by iahvac, 04-19-2012 09:42 PM
    • Replies: 1
    • Views: 1,292
    04-22-2012, 01:07 AM Go to last post
  7. Question on a gas electric package unit

    Started by Cienfuegos, 04-19-2012 12:54 AM
    • Replies: 2
    • Views: 1,018
    04-21-2012, 12:50 PM Go to last post
  8. Question BTU Meter Billing

    Started by ratheepkrk, 05-29-2011 08:33 AM
    • Replies: 2
    • Views: 2,372
    04-20-2012, 10:40 PM Go to last post
  9. Question HVAC software recommendations

    Started by blackpotter, 09-23-2003 10:11 AM
    • Replies: 4
    • Views: 2,312
    04-20-2012, 07:11 PM Go to last post
  10. freeze stat tripping

    Started by rcjohn, 03-12-2012 05:38 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 4,002
    04-19-2012, 05:31 PM Go to last post
  11. Life of humidifier heating elements?

    Started by moshmont, 04-19-2012 07:37 AM
    • Replies: 0
    • Views: 745
    04-19-2012, 07:37 AM Go to last post
  12. Thumbs down High oil temp trip?

    Started by prestonegreen, 04-16-2012 10:50 AM
    • Replies: 3
    • Views: 815
    04-18-2012, 09:46 AM Go to last post
  13. What SEER would an 18 year old unit be?

    Started by Maikerum, 04-12-2012 05:04 PM
    • Replies: 4
    • Views: 1,233
    04-16-2012, 11:21 PM Go to last post
  14. Internally Grounded RTU Compressor

    Started by bandit2012, 04-06-2012 03:52 PM
    • Replies: 11
    • Views: 1,834
    04-16-2012, 10:20 PM Go to last post
  15. York ECO2 BACnet IP

    Started by pmstate, 04-16-2012 11:03 AM
    • Replies: 2
    • Views: 1,137
    04-16-2012, 05:50 PM Go to last post
  16. Lennox

    Started by mrbean, 04-14-2012 12:42 PM
    • Replies: 5
    • Views: 1,096
    04-15-2012, 09:56 AM Go to last post
  17. Question Thermostat to YCD 060C3LOBE

    Started by angel021558, 04-13-2012 05:43 PM
    • Replies: 2
    • Views: 1,253
    04-13-2012, 07:33 PM Go to last post
  18. Johnson Controls Facility Explorer

    Started by fred grange, 11-01-2009 11:39 PM
    "johnson controls facility explorer", engineer, hvac monitor, remote monitoring
    • Replies: 3
    • Views: 2,481
    04-12-2012, 07:42 PM Go to last post
  19. Broad Chiller-Heater

    Started by PaulDiglio, 12-02-2007 06:31 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,707
    04-12-2012, 06:58 AM Go to last post
  20. HVAC Equipment Insulation

    Started by zero13, 01-08-2012 03:03 AM
    • Replies: 6
    • Views: 1,175
    04-12-2012, 06:49 AM Go to last post
  21. Carrier Infinity System with multzones

    Started by coldasice2, 04-11-2012 06:54 PM
    • Replies: 1
    • Views: 815
    04-11-2012, 08:49 PM Go to last post
  22. Commercial HVAC Manufacturers

    Started by bandit2012, 04-10-2012 03:35 PM
    • Replies: 4
    • Views: 1,434
    04-11-2012, 08:45 PM Go to last post
  23. Carrier 23XL Compressor Question

    Started by rustygray, 04-05-2012 03:12 PM
    • Replies: 6
    • Views: 1,503
    04-09-2012, 12:24 PM Go to last post
    • Replies: 5
    • Views: 896
    04-08-2012, 06:35 PM Go to last post
  24. Grounded RTU compressor

    Started by abcando, 04-05-2012 11:24 PM
    • Replies: 12
    • Views: 1,541
    04-06-2012, 10:53 PM Go to last post
  25. Confused York YR Screw

    Started by rnp125, 04-06-2012 01:49 PM
    • Replies: 0
    • Views: 640
    04-06-2012, 01:49 PM Go to last post
  26. Frown Looking for wiring diagrams

    Started by volts10, 03-29-2012 09:32 AM
    • Replies: 1
    • Views: 930
    04-06-2012, 12:52 PM Go to last post
  27. Applied Air System

    Started by GNP Boys, 04-05-2012 07:08 AM
    • Replies: 2
    • Views: 705
    04-05-2012, 11:55 PM Go to last post
  28. Confused Seimens Tec 903 Fume hood controlller 456-00701

    Started by hek, 03-07-2012 02:54 PM
    • Replies: 1
    • Views: 998
    04-04-2012, 07:07 PM Go to last post
  29. HVAC Design for Hyperbaric Treatment Rooms

    Started by MechGirl, 03-29-2012 03:49 PM
    • Replies: 3
    • Views: 1,625
    04-04-2012, 09:59 AM Go to last post
    • Replies: 8
    • Views: 1,646
    04-02-2012, 07:57 AM Go to last post
  30. Best Unit for 3700ft commercial space

    Started by Lou Apo, 03-28-2012 05:38 PM
    • Replies: 11
    • Views: 1,230
    04-01-2012, 11:29 PM Go to last post
  31. Radiant vs Air Rotation Units

    Started by billybetts, 03-20-2012 09:56 PM
    • Replies: 4
    • Views: 1,210
    04-01-2012, 11:02 PM Go to last post
  32. hydronic mystery

    Started by indyapprentice440, 03-30-2012 07:52 PM
    • Replies: 1
    • Views: 751
    03-30-2012, 09:03 PM Go to last post
  33. Frown Des Champs Technologies 100% O.A.

    Started by emf1, 03-29-2012 04:18 PM
    • Replies: 0
    • Views: 715
    03-29-2012, 04:18 PM Go to last post
  34. Air separator on chilled water lines

    Started by DKinYORKpa, 09-17-2009 06:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 12,150
    03-24-2012, 11:24 AM Go to last post
  35. Old Trane RTU model number help

    Started by vskaria, 03-14-2012 03:14 PM
    • Replies: 2
    • Views: 2,298
    03-23-2012, 04:46 PM Go to last post
  36. Commercial Boiler Burner Question

    Started by josh1, 03-15-2012 12:35 PM
    • Replies: 5
    • Views: 1,372
    03-22-2012, 08:10 PM Go to last post
  37. Confused Flaoting head pressure

    Started by sm91737, 03-21-2012 02:29 PM
    • Replies: 5
    • Views: 1,002
    03-22-2012, 11:50 AM Go to last post
  38. humidity control for hospital surgery room

    Started by xrqp, 02-22-2012 01:54 AM
    • Replies: 11
    • Views: 2,673
    03-20-2012, 07:07 AM Go to last post
  39. Freon 22 monitoring

    Started by Darrell Moody, 03-16-2012 02:45 PM
    • Replies: 9
    • Views: 1,197
    03-19-2012, 10:28 PM Go to last post
  40. Make Up Air Help!!!!

    Started by blkmz3, 03-19-2012 11:57 AM
    • Replies: 1
    • Views: 725
    03-19-2012, 01:00 PM Go to last post
  41. QUESTIONS ABOUT MED CENTER HVAC

    Started by abbysilverman, 03-17-2012 05:50 PM
    • Replies: 6
    • Views: 908
    03-19-2012, 10:06 AM Go to last post
  42. york ypal085e rtu cfm issue

    Started by Jersey Boy, 03-16-2012 12:40 PM
    • Replies: 3
    • Views: 889
    03-16-2012, 02:50 PM Go to last post
  43. Indoor ice maker outdoors

    Started by Slage, 03-15-2012 09:30 AM
    • Replies: 5
    • Views: 1,538
    03-16-2012, 09:27 AM Go to last post
  44. Question Lennox FHM120N and RTY20PC - Exploded Views

    Started by luismc.costa, 03-16-2012 08:55 AM
    • Replies: 0
    • Views: 913
    03-16-2012, 08:55 AM Go to last post
  45. Carrier 19XR, electrical

    Started by maincustom43, 03-15-2012 02:37 PM
    • Replies: 1
    • Views: 1,325
    03-15-2012, 06:23 PM Go to last post
  46. looking for a contractor in my area, W Michigan

    Started by Murfster, 03-15-2012 02:01 PM
    • Replies: 0
    • Views: 605
    03-15-2012, 02:01 PM Go to last post
  47. Boiler Seriving Price Check

    Started by dieseltwitch, 03-14-2012 07:43 PM
    • Replies: 4
    • Views: 794
    03-15-2012, 07:17 AM Go to last post
  48. Fulton pulse boilers

    Started by Luke84, 03-12-2012 10:36 AM
    • Replies: 1
    • Views: 945
    03-14-2012, 01:23 AM Go to last post
  49. Rule of thumb: Sq Ft per ton of A/C

    Started by Possumking, 09-04-2008 09:02 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 124,754
    03-13-2012, 10:18 PM Go to last post

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