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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: 12,506
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,714
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Mini-Split for a small convenience store?

    Started by NetComrade, 07-20-2014 09:59 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,944
    08-05-2014, 08:44 PM Go to last post
  3. Cooling Tower Scale Buildup

    Started by Butchdog, 08-05-2014 07:29 PM
    scale, water treatment
    • Replies: 1
    • Views: 859
    08-05-2014, 07:42 PM Go to last post
    • Replies: 3
    • Views: 1,474
    08-03-2014, 10:46 AM Go to last post
  4. Facility Manager

    Started by chelseasarah2, 07-31-2014 06:37 PM
    • Replies: 0
    • Views: 932
    07-31-2014, 06:37 PM Go to last post
  5. 3 phase power with a dead mans leg

    Started by Heatman317, 07-24-2014 01:23 PM
    • Replies: 7
    • Views: 4,521
    07-31-2014, 03:25 PM Go to last post
  6. Necessary to change oil in compressor?

    Started by hvactech111, 08-29-2008 10:23 PM
    • Replies: 2
    • Views: 1,479
    07-30-2014, 08:01 PM Go to last post
  7. Tech.

    Started by bill0934, 07-26-2014 07:09 AM
    • Replies: 9
    • Views: 2,254
    07-28-2014, 07:43 PM Go to last post
  8. Why would the damper get suck?

    Started by SubaruB4, 06-30-2014 10:29 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,285
    07-27-2014, 09:30 AM Go to last post
  9. Want Commercial Equipment for Building

    Started by grinnell, 07-23-2014 04:19 PM
    • Replies: 6
    • Views: 1,206
    07-26-2014, 10:23 PM Go to last post
  10. Carrier low suction

    Started by ohmy, 07-25-2014 05:16 PM
    • Replies: 0
    • Views: 903
    07-25-2014, 05:16 PM Go to last post
  11. Return air question

    Started by DJ_Poop, 07-24-2014 08:40 AM
    return air
    • Replies: 2
    • Views: 1,035
    07-24-2014, 03:24 PM Go to last post
  12. Quick Advice on HVAC unit Sizing

    Started by acervj, 07-24-2014 10:41 AM
    calculation, commercial hvac, hvac, sizing
    • Replies: 0
    • Views: 1,293
    07-24-2014, 10:41 AM Go to last post
  13. Help with York RTU

    Started by Arcjci, 07-15-2014 09:26 PM
    • Replies: 4
    • Views: 1,572
    07-23-2014, 04:19 PM Go to last post
  14. Hmm Whistling sound in forced hot water Apt Building

    Started by PatDean, 02-17-2014 04:18 PM
    • Replies: 10
    • Views: 1,771
    07-23-2014, 04:01 PM Go to last post
    • Replies: 9
    • Views: 2,107
    07-23-2014, 08:55 AM Go to last post
  15. Coppor saddle boss

    Started by stever3, 07-22-2014 09:15 AM
    • Replies: 2
    • Views: 975
    07-22-2014, 09:32 AM Go to last post
  16. Trane unit reversing valve issue

    Started by thehomedoctor, 07-17-2014 04:15 PM
    • Replies: 1
    • Views: 1,788
    07-18-2014, 09:06 PM Go to last post
  17. Concerned about a ac install

    Started by SubaruB4, 07-15-2014 07:30 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,768
    07-16-2014, 09:19 PM Go to last post
  18. Walk in Fridge - Condenser/Compressor

    Started by dmaslach, 07-14-2014 03:23 PM
    • Replies: 3
    • Views: 1,146
    07-15-2014, 09:52 AM Go to last post
  19. Looking for an smaller HVAC contractor

    Started by aaroberts, 07-14-2014 02:25 PM
    • Replies: 2
    • Views: 1,058
    07-14-2014, 03:42 PM Go to last post
  20. heat load

    Started by ryan79, 07-09-2014 04:03 PM
    • Replies: 3
    • Views: 1,374
    07-14-2014, 06:27 AM Go to last post
  21. Confused Jordan Refrigerator

    Started by jmmbrwn, 06-25-2014 12:54 PM
    • Replies: 2
    • Views: 1,018
    07-11-2014, 09:43 AM Go to last post
  22. HVAC Diagnostics

    Started by john ennis, 07-08-2014 10:55 AM
    • Replies: 3
    • Views: 1,018
    07-11-2014, 09:34 AM Go to last post
  23. new guy, Enerstat/zone control question

    Started by hangar21, 07-10-2014 11:09 PM
    • Replies: 0
    • Views: 822
    07-10-2014, 11:09 PM Go to last post
  24. Trane WSHP

    Started by Billyable, 07-09-2014 10:02 PM
    • Replies: 2
    • Views: 908
    07-09-2014, 10:20 PM Go to last post
  25. Lochnivar Enable/Disable ?

    Started by gazoo, 07-07-2014 06:32 PM
    • Replies: 1
    • Views: 929
    07-08-2014, 09:51 PM Go to last post
  26. BOHN FREEZER UNIT

    Started by MSCA/C, 07-08-2014 02:40 PM
    • Replies: 2
    • Views: 1,311
    07-08-2014, 05:14 PM Go to last post
  27. Evap coil icing over

    Started by lektrik6, 07-05-2014 03:43 PM
    2 Pages
    1 2
    ice
    • Replies: 15
    • Views: 3,241
    07-07-2014, 10:30 PM Go to last post
  28. york vsd 419 error explain

    Started by caferpoyraz, 07-07-2014 02:17 AM
    • Replies: 0
    • Views: 763
    07-07-2014, 02:17 AM Go to last post
  29. York YS Discharge Superheat

    Started by ycwl, 07-04-2014 11:45 PM
    • Replies: 1
    • Views: 872
    07-05-2014, 08:47 AM Go to last post
  30. Carrier 30HXC T098-2 comp A alarm

    Started by ycwl, 07-04-2014 10:57 PM
    • Replies: 0
    • Views: 1,278
    07-04-2014, 10:57 PM Go to last post
  31. Liebert A/C Main fan issues

    Started by Ron Martin, 07-04-2014 12:08 PM
    • Replies: 2
    • Views: 1,018
    07-04-2014, 07:59 PM Go to last post
  32. Confused High Superheat TRANE voyager 20 ton

    Started by bsfitz88, 07-03-2014 06:13 PM
    • Replies: 5
    • Views: 1,419
    07-04-2014, 09:42 AM Go to last post
  33. Trane Compressors Shot - Options? - Need Help!!

    Started by Verklempt, 07-02-2014 05:08 PM
    • Replies: 8
    • Views: 1,997
    07-03-2014, 03:00 PM Go to last post
    • Replies: 5
    • Views: 1,471
    07-03-2014, 01:54 PM Go to last post
  34. Question How much outside air is needed

    Started by samos, 06-20-2014 03:50 PM
    • Replies: 3
    • Views: 1,211
    07-02-2014, 06:54 PM Go to last post
  35. condenser fan motor getting wet

    Started by HisDeciple, 05-02-2014 04:08 PM
    • Replies: 2
    • Views: 1,421
    07-02-2014, 12:45 PM Go to last post
    • Replies: 1
    • Views: 981
    07-01-2014, 04:54 PM Go to last post
  36. Need help with communication...

    Started by Baelthorn, 07-01-2014 02:10 PM
    • Replies: 0
    • Views: 704
    07-01-2014, 02:10 PM Go to last post
    • Replies: 6
    • Views: 1,219
    07-01-2014, 12:22 AM Go to last post
  37. Trane , Tracer Summit, intelipak

    Started by burning,up, 06-30-2014 04:03 PM
    • Replies: 0
    • Views: 699
    06-30-2014, 04:03 PM Go to last post
  38. Sporlan KT-54-VGA

    Started by prorefco, 08-07-2006 06:31 PM
    • Replies: 9
    • Views: 4,325
    06-29-2014, 09:31 PM Go to last post
  39. Daikin VRV system and fire alarm trip

    Started by ChrisF10, 06-27-2014 08:50 AM
    • Replies: 0
    • Views: 873
    06-27-2014, 08:50 AM Go to last post
  40. Danfoss AKM

    Started by Reckles, 06-27-2014 08:16 AM
    • Replies: 0
    • Views: 958
    06-27-2014, 08:16 AM Go to last post
    • Replies: 0
    • Views: 849
    06-26-2014, 01:35 AM Go to last post
  41. Post r12 walk in freezer wiring info needed

    Started by oldtom, 06-11-2014 11:19 PM
    • Replies: 8
    • Views: 2,553
    06-25-2014, 08:04 AM Go to last post
  42. Rooftop AC leaking

    Started by kturillo, 06-14-2014 12:46 PM
    • Replies: 3
    • Views: 1,122
    06-23-2014, 10:51 PM Go to last post
  43. Energy use

    Started by Sedelco1560, 06-23-2014 03:40 PM
    • Replies: 0
    • Views: 717
    06-23-2014, 03:40 PM Go to last post
  44. Large NightClub HVAC Ductwork question

    Started by DarioTexas, 06-20-2014 01:53 PM
    • Replies: 1
    • Views: 989
    06-23-2014, 09:16 AM Go to last post
  45. basic fundamentals

    Started by jkfeuer, 06-17-2014 09:26 PM
    • Replies: 6
    • Views: 1,202
    06-23-2014, 07:37 AM Go to last post

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