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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: 11,487
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 9,958
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. building lead tech

    Started by jimatabc, Today 03:23 PM
    • Replies: 0
    • Views: 1
    Today, 03:23 PM Go to last post
  3. Trane rooftop unit low pressure switch wiring

    Started by Goelss, Yesterday 08:40 AM
    • Replies: 3
    • Views: 150
    Today, 03:16 PM Go to last post
  4. Question CLIENT WANT TO REUSE REFRIGERANT PIPES

    Started by elcube, Today 09:26 AM
    • Replies: 10
    • Views: 137
    Today, 01:35 PM Go to last post
  5. Questions on Centrifugal Chillers

    Started by Beers94, Yesterday 11:07 AM
    • Replies: 3
    • Views: 130
    Yesterday, 09:04 PM Go to last post
  6. IGRAPHW (Version 2.82H)

    Started by norlanderbc, Yesterday 02:55 PM
    • Replies: 0
    • Views: 76
    Yesterday, 02:55 PM Go to last post
  7. Florida qualifier for out of state licensee

    Started by HVAC-ECS, 05-15-2017 11:04 AM
    • Replies: 1
    • Views: 217
    05-23-2017, 05:02 PM Go to last post
    • Replies: 6
    • Views: 262
    05-23-2017, 04:56 PM Go to last post
  8. Confused evap water flow(entering water temp)

    Started by mpuente, 05-22-2017 01:50 PM
    • Replies: 0
    • Views: 129
    05-22-2017, 01:50 PM Go to last post
  9. Hmm mitsubishi mr slim error codes

    Started by titoarroy12, 05-18-2017 09:39 PM
    • Replies: 2
    • Views: 242
    05-21-2017, 08:55 AM Go to last post
  10. Is this outdoor Ac unit running normal?

    Started by alexewing, 05-17-2017 09:48 PM
    • Replies: 2
    • Views: 218
    05-18-2017, 08:35 PM Go to last post
  11. Suction filter pressure drop

    Started by BigE5012, 05-10-2017 10:55 AM
    • Replies: 11
    • Views: 561
    05-17-2017, 11:31 PM Go to last post
  12. Compressor noises with hot gas bypass

    Started by mb949, 05-16-2017 03:15 PM
    • Replies: 0
    • Views: 164
    05-16-2017, 03:15 PM Go to last post
  13. Help with Carrier tonnage

    Started by TexasDeere, 04-10-2015 02:36 PM
    • Replies: 4
    • Views: 1,611
    05-16-2017, 01:18 PM Go to last post
  14. Microtech II Cooling Tower Fan VFD Control

    Started by bmsuter, 05-16-2017 12:04 PM
    • Replies: 0
    • Views: 135
    05-16-2017, 12:04 PM Go to last post
  15. Confused 80 ton york chiller

    Started by I.A.S.S., 05-12-2017 05:50 PM
    • Replies: 2
    • Views: 295
    05-12-2017, 06:23 PM Go to last post
  16. Return Air System

    Started by LifIsAStruggle, 05-11-2017 02:31 PM
    • Replies: 3
    • Views: 277
    05-12-2017, 10:26 AM Go to last post
  17. Need room temp of 150 degrees

    Started by neub72, 05-11-2017 02:20 PM
    • Replies: 3
    • Views: 296
    05-12-2017, 10:14 AM Go to last post
    • Replies: 1
    • Views: 212
    05-12-2017, 10:03 AM Go to last post
  18. Two split systems in one building?

    Started by Texas I&C Tech, 04-18-2017 08:55 PM
    • Replies: 2
    • Views: 321
    05-12-2017, 07:32 AM Go to last post
    • Replies: 1
    • Views: 301
    05-12-2017, 07:10 AM Go to last post
  19. Beach house Condensers

    Started by BigE5012, 05-10-2017 02:30 PM
    • Replies: 3
    • Views: 261
    05-10-2017, 08:56 PM Go to last post
  20. Is VRV/VRF trend of the industry??

    Started by MG Cooling, 04-19-2017 05:42 AM
    hvac controls
    • Replies: 12
    • Views: 743
    05-08-2017, 08:25 PM Go to last post
  21. Carrier Weathermaker

    Started by georgegloves, 04-25-2017 01:58 PM
    • Replies: 7
    • Views: 472
    05-05-2017, 10:49 PM Go to last post
  22. Fruitista fbd

    Started by willchvac, 05-03-2017 01:18 AM
    • Replies: 0
    • Views: 240
    05-03-2017, 01:18 AM Go to last post
  23. ALC zone temp way off

    Started by Axtell3, 04-29-2017 11:15 AM
    • Replies: 3
    • Views: 325
    05-02-2017, 11:15 AM Go to last post
  24. Question High Humidity issue

    Started by Mr.Roberts88, 04-21-2017 03:52 PM
    • Replies: 4
    • Views: 440
    05-02-2017, 08:28 AM Go to last post
  25. Some Kind of Snake Oil ?

    Started by legendsaleem, 05-01-2017 07:20 PM
    • Replies: 1
    • Views: 247
    05-01-2017, 07:22 PM Go to last post
  26. Toilet Exhaust

    Started by royep, 04-27-2017 10:15 PM
    • Replies: 0
    • Views: 250
    04-27-2017, 10:15 PM Go to last post
  27. commercial space

    Started by royep, 04-27-2017 10:10 PM
    • Replies: 0
    • Views: 194
    04-27-2017, 10:10 PM Go to last post
    • Replies: 2
    • Views: 323
    04-27-2017, 02:58 PM Go to last post
    • Replies: 0
    • Views: 158
    04-27-2017, 03:20 AM Go to last post
  28. Comstar RS-44b Refrigerant

    Started by dab18351, 04-26-2017 12:19 PM
    • Replies: 0
    • Views: 324
    04-26-2017, 12:19 PM Go to last post
  29. Looking for an engineer to size unit

    Started by Texas I&C Tech, 04-21-2017 06:04 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 763
    04-25-2017, 07:34 AM Go to last post
  30. Church Units

    Started by bjc1355, 04-21-2017 02:03 PM
    • Replies: 6
    • Views: 383
    04-24-2017, 04:23 PM Go to last post
    • Replies: 9
    • Views: 462
    04-21-2017, 11:41 PM Go to last post
  31. testo 557

    Started by mferg027, 04-18-2017 06:52 PM
    • Replies: 0
    • Views: 229
    04-18-2017, 06:52 PM Go to last post
  32. Booster Fan Installation wiring

    Started by scottsdale816, 04-18-2017 06:36 PM
    • Replies: 1
    • Views: 242
    04-18-2017, 06:37 PM Go to last post
    • Replies: 0
    • Views: 189
    04-18-2017, 05:10 PM Go to last post
  33. Tracer Summit v17 can't find graphical objects

    Started by moodymutey, 04-17-2017 02:38 PM
    • Replies: 0
    • Views: 211
    04-17-2017, 02:38 PM Go to last post
  34. Update on my friend's 2001 Lennox Value Series 4-ton A/C...

    Started by StampedOctagon, 04-16-2017 06:36 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 675
    04-17-2017, 01:55 PM Go to last post
  35. Trane Chiller idea

    Started by franklin2, 04-13-2017 09:14 PM
    • Replies: 0
    • Views: 432
    04-13-2017, 09:14 PM Go to last post
  36. Recognizing refrigerants

    Started by 80Kaitsu, 04-12-2017 12:12 PM
    • Replies: 5
    • Views: 460
    04-12-2017, 04:27 PM Go to last post
  37. Carrier 19XR Benshaw Solid State Starter

    Started by mwr1203, 04-11-2017 07:43 AM
    • Replies: 1
    • Views: 316
    04-11-2017, 10:50 AM Go to last post
    • Replies: 8
    • Views: 519
    04-09-2017, 10:46 AM Go to last post
  38. DRY SHIP R-22 CONDENSERS

    Started by falcon127, 04-08-2017 11:42 AM
    • Replies: 1
    • Views: 391
    04-08-2017, 12:11 PM Go to last post
    • Replies: 8
    • Views: 503
    04-08-2017, 10:19 AM Go to last post
  39. Deenergizing a steam line

    Started by srjopling, 04-05-2017 08:28 PM
    • Replies: 9
    • Views: 532
    04-06-2017, 01:05 PM Go to last post
  40. Confused Staefa FSR system question, panels flapping

    Started by davidburns, 04-04-2017 09:29 AM
    network, staefa
    • Replies: 1
    • Views: 263
    04-04-2017, 03:05 PM Go to last post
  41. York Yk Chiller Question

    Started by LlamaFan, 03-31-2017 10:06 AM
    • Replies: 0
    • Views: 518
    03-31-2017, 10:06 AM Go to last post

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