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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

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

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 4,162
    10-31-2011, 07:41 PM Go to last post
  2. Sticky Thread Sticky: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:37 PM
    • Replies: 0
    • Views: 3,462
    10-31-2011, 07:37 PM Go to last post
  1. Help to choose new Rooftop HVAC Unit

    Started by Helplease, 11-16-2011 07:37 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,391
    12-03-2011, 03:49 AM Go to last post
  2. Lennox Heat Pump Roof Top Unit.

    Started by kanodogg, 04-01-2008 03:31 PM
    • Replies: 5
    • Views: 3,393
    12-01-2011, 04:28 PM Go to last post
  3. Walk In Freezer Defrost Cycle Question

    Started by Maven445, 11-28-2011 07:18 PM
    • Replies: 6
    • Views: 1,885
    11-29-2011, 10:06 PM Go to last post
  4. Red face Code Information

    Started by W Ahlberg, 11-27-2011 08:58 PM
    • Replies: 5
    • Views: 1,061
    11-29-2011, 06:54 AM Go to last post
  5. LCHA25 CHILLER

    Started by melyork11, 11-28-2011 07:59 AM
    • Replies: 1
    • Views: 615
    11-28-2011, 06:29 PM Go to last post
  6. Modine duct gas furnace

    Started by Jbenson, 11-27-2011 11:48 AM
    • Replies: 1
    • Views: 971
    11-27-2011, 08:37 PM Go to last post
  7. Elevator HVAC

    Started by mcguire07, 06-24-2011 12:56 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,501
    11-26-2011, 11:02 PM Go to last post
  8. design a very long exhaust air duct (300 metres)

    Started by aerojason, 09-05-2011 07:49 PM
    • Replies: 6
    • Views: 1,673
    11-26-2011, 09:34 AM Go to last post
  9. Trane Tracker displays question marks

    Started by jerryhaney, 11-23-2011 02:41 PM
    tracker, trane, voyager
    • Replies: 1
    • Views: 1,274
    11-24-2011, 11:13 PM Go to last post
  10. York RTU Model: D7CG060

    Started by Fixedit, 10-31-2011 11:44 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,895
    11-24-2011, 12:02 AM Go to last post
  11. Confused What kind of fitting is this?

    Started by uhPrintUs, 11-06-2011 09:23 PM
    • Replies: 10
    • Views: 1,757
    11-23-2011, 08:01 PM Go to last post
  12. herman nelson unit ventilator

    Started by iowa tech, 01-09-2010 05:21 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,695
    11-23-2011, 04:22 PM Go to last post
  13. york chiller remote reset

    Started by globe trotter, 11-17-2010 06:23 PM
    • Replies: 8
    • Views: 2,222
    11-21-2011, 09:53 PM Go to last post
  14. Overhaul of centrifugal Chiller

    Started by HVAC_MY, 03-31-2011 06:06 AM
    • Replies: 9
    • Views: 4,399
    11-21-2011, 09:21 PM Go to last post
  15. glycol

    Started by emtim, 11-18-2011 11:41 PM
    • Replies: 6
    • Views: 982
    11-21-2011, 05:13 PM Go to last post
  16. Question 3 days older than dirt ?

    Started by airsmith, 08-16-2009 08:44 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 2,742
    11-21-2011, 09:28 AM Go to last post
  17. Clive

    Started by clive.macken, 11-21-2011 07:49 AM
    • Replies: 1
    • Views: 533
    11-21-2011, 09:11 AM Go to last post
  18. refrigerant 407c

    Started by jdecleene, 11-18-2011 11:36 AM
    • Replies: 6
    • Views: 1,341
    11-21-2011, 08:54 AM Go to last post
  19. Reheating coils & duct heater

    Started by Vasja, 11-13-2011 11:16 PM
    • Replies: 5
    • Views: 1,191
    11-20-2011, 01:40 PM Go to last post
  20. Limestone Mine Split system heat pump

    Started by bobelectric, 11-20-2011 08:32 AM
    • Replies: 0
    • Views: 617
    11-20-2011, 08:32 AM Go to last post
  21. Heating maintence records?

    Started by JAqu5545, 11-09-2011 06:08 PM
    • Replies: 1
    • Views: 681
    11-20-2011, 06:15 AM Go to last post
  22. CSST in a welding shop

    Started by Thoridheat, 11-18-2011 10:04 PM
    • Replies: 4
    • Views: 1,051
    11-19-2011, 05:58 PM Go to last post
  23. OA Intakes

    Started by ascj, 07-19-2011 04:41 PM
    • Replies: 8
    • Views: 1,328
    11-14-2011, 09:14 PM Go to last post
  24. carrier aqua snap chiller pass word

    Started by ryancbratton, 11-10-2011 06:05 PM
    • Replies: 3
    • Views: 1,507
    11-14-2011, 09:13 PM Go to last post
  25. VAV box motor type and voltage?

    Started by cfe, 11-13-2011 02:53 PM
    • Replies: 4
    • Views: 1,552
    11-14-2011, 09:03 PM Go to last post
  26. Carrier 30 RBA coils and compressors

    Started by DLSC, 11-14-2011 12:28 PM
    • Replies: 0
    • Views: 939
    11-14-2011, 12:28 PM Go to last post
  27. Re: Heat Pump Noise (EM096-3VTC)

    Started by Soulrain, 11-11-2011 04:52 PM
    • Replies: 2
    • Views: 762
    11-13-2011, 04:04 PM Go to last post
  28. CFM per ton requirement for MUA units

    Started by DaikinSEMN, 11-11-2011 05:10 PM
    • Replies: 7
    • Views: 2,002
    11-13-2011, 11:24 AM Go to last post
  29. Inline fan booster required for 75', 8" exhaust duct ?

    Started by snake07, 11-02-2011 12:56 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,885
    11-12-2011, 01:50 PM Go to last post
  30. Kennel System

    Started by JDE657, 11-04-2011 12:22 PM
    • Replies: 5
    • Views: 892
    11-12-2011, 09:33 AM Go to last post
  31. Condensing Boilers

    Started by joken, 06-12-2008 04:36 PM
    • Replies: 3
    • Views: 921
    11-11-2011, 02:34 PM Go to last post
  32. HVAC Sequence of activities

    Started by Vasja, 11-09-2011 11:07 PM
    • Replies: 3
    • Views: 1,371
    11-10-2011, 02:49 PM Go to last post
  33. Carrier Vs. York Roof top Units

    Started by Michael Gackowski, 11-09-2011 05:21 PM
    • Replies: 4
    • Views: 2,452
    11-10-2011, 08:03 AM Go to last post
  34. Relocate Condensing Unit

    Started by Asri, 11-07-2011 11:06 PM
    • Replies: 2
    • Views: 668
    11-08-2011, 02:06 AM Go to last post
  35. HVAC Part Load Calcs

    Started by romansol, 11-06-2011 11:04 PM
    • Replies: 2
    • Views: 1,165
    11-08-2011, 12:55 AM Go to last post
  36. fabric ductwork

    Started by armqcm, 10-09-2009 02:28 PM
    2 Pages
    1 2
    fabric ducts?
    • Replies: 17
    • Views: 3,310
    11-07-2011, 08:56 PM Go to last post
    • Replies: 6
    • Views: 1,019
    11-04-2011, 12:30 PM Go to last post
  37. Trane GEVB Water Source Heat Pump Won't Cool

    Started by CMAL, 10-20-2011 02:57 PM
    • Replies: 5
    • Views: 2,588
    11-03-2011, 09:38 PM Go to last post
  38. room pressure calculation method

    Started by Semihugurlubas, 09-13-2007 07:50 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 13,367
    11-03-2011, 05:35 PM Go to last post
  39. Compressor Replacement question

    Started by paulabedes, 11-01-2011 08:13 PM
    • Replies: 11
    • Views: 1,430
    11-03-2011, 05:22 PM Go to last post
  40. Thumbs up JC METASYS DX-9100 CONTROLLER

    Started by schoolsystem, 11-19-2004 02:23 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 7,762
    11-03-2011, 05:28 AM Go to last post
  41. Fulton Boiler problems

    Started by SAILFISH, 10-24-2011 11:40 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 7,028
    11-01-2011, 11:17 AM Go to last post
    • Replies: 4
    • Views: 2,054
    10-31-2011, 05:28 PM Go to last post
  42. Honeywell TB8220U thermostat

    Started by LeeK, 10-31-2011 12:24 PM
    • Replies: 8
    • Views: 1,298
    10-31-2011, 03:29 PM Go to last post
  43. Trane Liquid Chillers RTHD Models 200tr

    Started by rmarcelo61, 10-21-2011 02:00 AM
    5 Pages
    1 2 3 4 5
    • Replies: 55
    • Views: 5,605
    10-31-2011, 01:53 PM Go to last post
  44. Confused Unlocking a Trane Thermostat

    Started by hjana1978, 01-11-2005 04:18 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 26,774
    10-29-2011, 02:12 AM Go to last post
  45. First time post....Freon leak question

    Started by ack4me2, 10-26-2011 09:30 AM
    • Replies: 11
    • Views: 1,271
    10-28-2011, 10:40 PM Go to last post
  46. Trane Impack units

    Started by fridgeboy, 10-28-2011 04:46 PM
    • Replies: 7
    • Views: 1,083
    10-28-2011, 09:22 PM Go to last post
  47. Floral humidity

    Started by Powertech, 10-15-2011 08:55 AM
    • Replies: 5
    • Views: 1,629
    10-28-2011, 11:36 AM Go to last post
  48. Powerflame issues

    Started by rickshog, 10-20-2011 01:11 PM
    • Replies: 10
    • Views: 2,034
    10-27-2011, 10:15 PM Go to last post

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