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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: 12,276
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,516
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Fulton PHW 2000 8 years old having problems.

    Started by Snoco, 07-11-2014 05:13 PM
    • Replies: 4
    • Views: 2,872
    08-19-2014, 09:16 AM Go to last post
  3. Help with air handler

    Started by ritter0404, 08-16-2014 05:57 PM
    • Replies: 1
    • Views: 1,247
    08-17-2014, 12:43 PM Go to last post
  4. refrigerant compressor

    Started by rakkappan, 08-17-2014 04:15 AM
    • Replies: 0
    • Views: 848
    08-17-2014, 04:15 AM Go to last post
  5. Walk-in freezer unit on refrigerated trailer?

    Started by demdkarf, 08-15-2014 02:31 PM
    • Replies: 8
    • Views: 2,071
    08-16-2014, 08:24 PM Go to last post
    • Replies: 4
    • Views: 1,573
    08-16-2014, 08:16 PM Go to last post
  6. New Store Humidity issues

    Started by newbizowner, 07-11-2013 11:28 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,124
    08-15-2014, 06:52 PM Go to last post
  7. Thumbs up Distillery / Brewery Dry Cooler / chiller advice

    Started by chodo, 08-13-2014 06:35 PM
    • Replies: 3
    • Views: 2,025
    08-15-2014, 08:04 AM Go to last post
  8. Fulton Boiler PHW-750 Actuator Linkage Set up

    Started by ratzo79, 11-21-2013 07:18 AM
    • Replies: 1
    • Views: 2,234
    08-13-2014, 01:21 PM Go to last post
  9. Load Efficiency of Dunham Bush WCFX-27 chiller

    Started by hnhuty, 08-12-2014 02:44 AM
    • Replies: 1
    • Views: 938
    08-13-2014, 07:56 AM Go to last post
  10. Chief Engineer

    Started by tom.cunningham, 08-13-2014 06:23 AM
    • Replies: 1
    • Views: 1,077
    08-13-2014, 07:54 AM Go to last post
  11. carrier 50YQ heatpump

    Started by Romeo Jimmy, 08-12-2014 02:24 PM
    • Replies: 2
    • Views: 1,393
    08-12-2014, 05:19 PM Go to last post
  12. Question System Replacement or Repair?

    Started by JBerlage, 08-10-2014 02:06 PM
    • Replies: 2
    • Views: 1,023
    08-10-2014, 08:29 PM Go to last post
    • Replies: 4
    • Views: 1,424
    08-10-2014, 08:26 AM Go to last post
  13. York EBV182-A air handler

    Started by Phil Deets, 08-07-2014 07:50 AM
    • Replies: 0
    • Views: 1,503
    08-07-2014, 07:50 AM Go to last post
  14. Mini-Split for a small convenience store?

    Started by NetComrade, 07-20-2014 09:59 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,835
    08-05-2014, 08:44 PM Go to last post
  15. Cooling Tower Scale Buildup

    Started by Butchdog, 08-05-2014 07:29 PM
    scale, water treatment
    • Replies: 1
    • Views: 825
    08-05-2014, 07:42 PM Go to last post
    • Replies: 3
    • Views: 1,407
    08-03-2014, 10:46 AM Go to last post
  16. Facility Manager

    Started by chelseasarah2, 07-31-2014 06:37 PM
    • Replies: 0
    • Views: 904
    07-31-2014, 06:37 PM Go to last post
  17. 3 phase power with a dead mans leg

    Started by Heatman317, 07-24-2014 01:23 PM
    • Replies: 7
    • Views: 4,283
    07-31-2014, 03:25 PM Go to last post
  18. Necessary to change oil in compressor?

    Started by hvactech111, 08-29-2008 10:23 PM
    • Replies: 2
    • Views: 1,441
    07-30-2014, 08:01 PM Go to last post
  19. Tech.

    Started by bill0934, 07-26-2014 07:09 AM
    • Replies: 9
    • Views: 2,137
    07-28-2014, 07:43 PM Go to last post
  20. Why would the damper get suck?

    Started by SubaruB4, 06-30-2014 10:29 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,087
    07-27-2014, 09:30 AM Go to last post
  21. Want Commercial Equipment for Building

    Started by grinnell, 07-23-2014 04:19 PM
    • Replies: 6
    • Views: 1,147
    07-26-2014, 10:23 PM Go to last post
  22. Carrier low suction

    Started by ohmy, 07-25-2014 05:16 PM
    • Replies: 0
    • Views: 879
    07-25-2014, 05:16 PM Go to last post
  23. Return air question

    Started by DJ_Poop, 07-24-2014 08:40 AM
    return air
    • Replies: 2
    • Views: 993
    07-24-2014, 03:24 PM Go to last post
  24. Quick Advice on HVAC unit Sizing

    Started by acervj, 07-24-2014 10:41 AM
    calculation, commercial hvac, hvac, sizing
    • Replies: 0
    • Views: 1,249
    07-24-2014, 10:41 AM Go to last post
  25. Help with York RTU

    Started by Arcjci, 07-15-2014 09:26 PM
    • Replies: 4
    • Views: 1,489
    07-23-2014, 04:19 PM Go to last post
  26. Hmm Whistling sound in forced hot water Apt Building

    Started by PatDean, 02-17-2014 04:18 PM
    • Replies: 10
    • Views: 1,716
    07-23-2014, 04:01 PM Go to last post
    • Replies: 9
    • Views: 2,048
    07-23-2014, 08:55 AM Go to last post
  27. Coppor saddle boss

    Started by stever3, 07-22-2014 09:15 AM
    • Replies: 2
    • Views: 950
    07-22-2014, 09:32 AM Go to last post
  28. Trane unit reversing valve issue

    Started by thehomedoctor, 07-17-2014 04:15 PM
    • Replies: 1
    • Views: 1,712
    07-18-2014, 09:06 PM Go to last post
  29. Concerned about a ac install

    Started by SubaruB4, 07-15-2014 07:30 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,676
    07-16-2014, 09:19 PM Go to last post
  30. Walk in Fridge - Condenser/Compressor

    Started by dmaslach, 07-14-2014 03:23 PM
    • Replies: 3
    • Views: 1,089
    07-15-2014, 09:52 AM Go to last post
  31. Looking for an smaller HVAC contractor

    Started by aaroberts, 07-14-2014 02:25 PM
    • Replies: 2
    • Views: 1,004
    07-14-2014, 03:42 PM Go to last post
  32. heat load

    Started by ryan79, 07-09-2014 04:03 PM
    • Replies: 3
    • Views: 1,335
    07-14-2014, 06:27 AM Go to last post
  33. Confused Jordan Refrigerator

    Started by jmmbrwn, 06-25-2014 12:54 PM
    • Replies: 2
    • Views: 986
    07-11-2014, 09:43 AM Go to last post
  34. HVAC Diagnostics

    Started by john ennis, 07-08-2014 10:55 AM
    • Replies: 3
    • Views: 1,003
    07-11-2014, 09:34 AM Go to last post
  35. new guy, Enerstat/zone control question

    Started by hangar21, 07-10-2014 11:09 PM
    • Replies: 0
    • Views: 801
    07-10-2014, 11:09 PM Go to last post
  36. Trane WSHP

    Started by Billyable, 07-09-2014 10:02 PM
    • Replies: 2
    • Views: 888
    07-09-2014, 10:20 PM Go to last post
  37. Lochnivar Enable/Disable ?

    Started by gazoo, 07-07-2014 06:32 PM
    • Replies: 1
    • Views: 905
    07-08-2014, 09:51 PM Go to last post
  38. BOHN FREEZER UNIT

    Started by MSCA/C, 07-08-2014 02:40 PM
    • Replies: 2
    • Views: 1,267
    07-08-2014, 05:14 PM Go to last post
  39. Evap coil icing over

    Started by lektrik6, 07-05-2014 03:43 PM
    2 Pages
    1 2
    ice
    • Replies: 15
    • Views: 3,076
    07-07-2014, 10:30 PM Go to last post
  40. york vsd 419 error explain

    Started by caferpoyraz, 07-07-2014 02:17 AM
    • Replies: 0
    • Views: 743
    07-07-2014, 02:17 AM Go to last post
  41. York YS Discharge Superheat

    Started by ycwl, 07-04-2014 11:45 PM
    • Replies: 1
    • Views: 850
    07-05-2014, 08:47 AM Go to last post
  42. Carrier 30HXC T098-2 comp A alarm

    Started by ycwl, 07-04-2014 10:57 PM
    • Replies: 0
    • Views: 1,220
    07-04-2014, 10:57 PM Go to last post
  43. Liebert A/C Main fan issues

    Started by Ron Martin, 07-04-2014 12:08 PM
    • Replies: 2
    • Views: 985
    07-04-2014, 07:59 PM Go to last post
  44. Confused High Superheat TRANE voyager 20 ton

    Started by bsfitz88, 07-03-2014 06:13 PM
    • Replies: 5
    • Views: 1,367
    07-04-2014, 09:42 AM Go to last post
  45. Trane Compressors Shot - Options? - Need Help!!

    Started by Verklempt, 07-02-2014 05:08 PM
    • Replies: 8
    • Views: 1,905
    07-03-2014, 03:00 PM Go to last post
    • Replies: 5
    • Views: 1,404
    07-03-2014, 01:54 PM Go to last post
  46. Question How much outside air is needed

    Started by samos, 06-20-2014 03:50 PM
    • Replies: 3
    • Views: 1,180
    07-02-2014, 06:54 PM Go to last post

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