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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: 10,055
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,775
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Desert aire dehumidifier problems

    Started by westong, 05-29-2014 06:56 PM
    • Replies: 0
    • Views: 1,076
    05-29-2014, 06:56 PM Go to last post
  3. Carrier 30GTN100 T056 Alarm

    Started by Pizza_Anodizing, 05-27-2014 03:16 PM
    • Replies: 6
    • Views: 1,671
    05-29-2014, 01:50 AM Go to last post
  4. 30GTN090 B Circuit Problem

    Started by mwsw90, 05-28-2014 06:51 PM
    • Replies: 0
    • Views: 585
    05-28-2014, 06:51 PM Go to last post
  5. Practical advise vs. textbook needed for this application.

    Started by lobsterbob, 05-18-2014 11:21 PM
    2 Pages
    1 2
    compressor, oil, solenoid valves, split system
    • Replies: 14
    • Views: 2,123
    05-26-2014, 06:24 PM Go to last post
  6. How many CFMs to removed 50000 BTU/hr heat load?

    Started by Ricardo05, 05-22-2014 04:28 PM
    • Replies: 6
    • Views: 2,056
    05-23-2014, 12:18 PM Go to last post
  7. What size condenser?

    Started by Papa2, 05-22-2014 10:30 AM
    • Replies: 7
    • Views: 1,956
    05-23-2014, 09:29 AM Go to last post
  8. Charging commercial tenants for A/C usage

    Started by paulc101, 05-11-2014 10:50 PM
    • Replies: 2
    • Views: 980
    05-23-2014, 07:40 AM Go to last post
  9. Not sure how old this Carrier unit is

    Started by Goodlooker, 05-16-2014 11:29 PM
    • Replies: 3
    • Views: 1,042
    05-23-2014, 07:24 AM Go to last post
    • Replies: 7
    • Views: 2,389
    05-21-2014, 09:31 PM Go to last post
  10. Emerson vs. Stulz

    Started by paulgugg, 05-21-2014 10:14 AM
    • Replies: 0
    • Views: 979
    05-21-2014, 10:14 AM Go to last post
  11. Question about charging a unit

    Started by hvacsolutions, 05-20-2014 11:17 AM
    • Replies: 3
    • Views: 874
    05-20-2014, 12:33 PM Go to last post
  12. Writing scope of work for furnace heater

    Started by HITMANVQ35, 05-19-2014 07:08 PM
    • Replies: 0
    • Views: 621
    05-19-2014, 07:08 PM Go to last post
    • Replies: 0
    • Views: 596
    05-19-2014, 12:39 PM Go to last post
  13. Approximate tonage for preliminary design estimate

    Started by alcapp, 05-14-2014 08:51 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,878
    05-16-2014, 10:19 PM Go to last post
  14. Questions about NIULPE License

    Started by hvacsolutions, 05-13-2014 03:12 PM
    • Replies: 0
    • Views: 666
    05-13-2014, 03:12 PM Go to last post
  15. Trane package air handler unit

    Started by hvacsolutions, 05-09-2014 07:25 PM
    • Replies: 1
    • Views: 745
    05-13-2014, 03:10 PM Go to last post
  16. York RTU Fault Code 13

    Started by dist111, 05-13-2014 02:00 PM
    • Replies: 0
    • Views: 899
    05-13-2014, 02:00 PM Go to last post
  17. 700 sf 2 story Town House

    Started by Cmedco, 05-13-2014 12:34 PM
    • Replies: 0
    • Views: 632
    05-13-2014, 12:34 PM Go to last post
  18. Stulz Crac unit w/ Air-Cooled Condenser ...R-407A

    Started by ezyy88, 05-10-2014 06:42 AM
    • Replies: 2
    • Views: 1,366
    05-12-2014, 07:01 AM Go to last post
    • Replies: 3
    • Views: 745
    05-12-2014, 06:46 AM Go to last post
  19. Failed flare connections on a VRF system

    Started by Marcus Hay, 05-11-2014 01:28 PM
    • Replies: 2
    • Views: 978
    05-11-2014, 03:02 PM Go to last post
  20. Does anyone have an Answer for ...

    Started by facesofdeff, 05-11-2014 11:29 AM
    • Replies: 0
    • Views: 600
    05-11-2014, 11:29 AM Go to last post
  21. Carrier v Rheem

    Started by Nilechamp, 05-09-2014 09:52 AM
    • Replies: 4
    • Views: 870
    05-09-2014, 01:49 PM Go to last post
  22. manuals

    Started by dillett, 05-07-2014 10:51 AM
    • Replies: 4
    • Views: 1,025
    05-09-2014, 08:15 AM Go to last post
  23. Is this something maitenance can fix?

    Started by Angelique, 05-05-2014 03:57 PM
    • Replies: 10
    • Views: 1,284
    05-07-2014, 11:05 PM Go to last post
    • Replies: 2
    • Views: 777
    05-06-2014, 06:29 PM Go to last post
  24. Hmm training advice

    Started by HisDeciple, 05-01-2014 04:47 PM
    • Replies: 4
    • Views: 980
    05-05-2014, 08:38 PM Go to last post
  25. 2 Differing quotes and scope

    Started by craigyyc, 05-02-2014 10:48 AM
    • Replies: 1
    • Views: 719
    05-05-2014, 08:17 PM Go to last post
  26. Parallel cooling tower overflowing

    Started by coolabits, 04-30-2014 10:15 AM
    • Replies: 4
    • Views: 1,495
    05-04-2014, 08:49 PM Go to last post
  27. how find out tonnage

    Started by dillett, 05-01-2014 01:50 PM
    • Replies: 2
    • Views: 1,109
    05-01-2014, 02:39 PM Go to last post
  28. Cool Older Trane 4-pipe System Questions

    Started by WildBillHIgg, 04-30-2014 05:30 PM
    • Replies: 1
    • Views: 688
    05-01-2014, 02:36 PM Go to last post
  29. Humidity control

    Started by ba12348, 04-30-2014 02:26 AM
    • Replies: 3
    • Views: 790
    04-30-2014, 03:21 PM Go to last post
    • Replies: 5
    • Views: 1,897
    04-29-2014, 02:39 PM Go to last post
    • Replies: 1
    • Views: 669
    04-29-2014, 11:05 AM Go to last post
  30. Question COOLING WATER-MAKEUP

    Started by Fahmed, 04-27-2014 03:32 AM
    • Replies: 1
    • Views: 773
    04-29-2014, 08:49 AM Go to last post
  31. Make Up Air - Small Business Help

    Started by Waterton, 04-08-2014 05:56 AM
    commercial hvac, exhaust hoods, kitchen exhaust, make-up air, make-up air units
    • Replies: 2
    • Views: 1,256
    04-26-2014, 05:50 AM Go to last post
  32. Walk in cooler brand/company selection

    Started by philravens, 04-24-2014 04:58 PM
    • Replies: 1
    • Views: 778
    04-25-2014, 07:35 AM Go to last post
  33. Evapco AT 212-836 leaking pan

    Started by matija456, 03-31-2014 02:40 AM
    • Replies: 6
    • Views: 1,411
    04-25-2014, 06:54 AM Go to last post
  34. Hmm Motor Starter on twenty to Trane AHU

    Started by ubacool12, 04-24-2014 04:50 PM
    • Replies: 2
    • Views: 730
    04-24-2014, 11:23 PM Go to last post
    • Replies: 0
    • Views: 990
    04-24-2014, 05:43 PM Go to last post
  35. What is this ?

    Started by jimmyd5, 04-23-2014 07:35 PM
    • Replies: 1
    • Views: 812
    04-23-2014, 10:05 PM Go to last post
  36. Feeling like I'm getting ripped off

    Started by consumer777, 03-31-2014 09:29 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,191
    04-22-2014, 08:11 PM Go to last post
  37. duct installation charges

    Started by princexg, 04-21-2014 08:53 PM
    • Replies: 1
    • Views: 719
    04-21-2014, 09:47 PM Go to last post
  38. The Use of Three way Diverting valve.

    Started by Kamran Ahmed, 04-19-2014 04:34 AM
    • Replies: 5
    • Views: 1,189
    04-21-2014, 06:11 AM Go to last post
  39. Deciphering Trane and Carriers Model Numbers =D

    Started by mpenney, 04-14-2014 03:54 PM
    • Replies: 2
    • Views: 1,840
    04-19-2014, 09:16 AM Go to last post
  40. CAV Filtration Question

    Started by JarretM, 04-17-2014 04:18 PM
    • Replies: 1
    • Views: 807
    04-19-2014, 04:21 AM Go to last post
    • Replies: 7
    • Views: 1,398
    04-18-2014, 09:33 AM Go to last post
  41. How exactly does this unit work?

    Started by Tekjunkie, 04-15-2014 12:50 PM
    • Replies: 4
    • Views: 1,278
    04-16-2014, 08:39 AM Go to last post
  42. r22 at 300 psig?

    Started by mr.freeze01, 04-14-2014 08:57 PM
    • Replies: 2
    • Views: 1,073
    04-15-2014, 09:50 AM Go to last post
  43. purchasing an RTHB R-22

    Started by fabiant, 04-10-2014 11:51 PM
    • Replies: 12
    • Views: 1,336
    04-13-2014, 06:33 PM Go to last post

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