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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: 11,196
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 9,695
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Toilet Exhaust

    Started by royep, Yesterday 10:15 PM
    • Replies: 0
    • Views: 84
    Yesterday, 10:15 PM Go to last post
  3. commercial space

    Started by royep, Yesterday 10:10 PM
    • Replies: 0
    • Views: 91
    Yesterday, 10:10 PM Go to last post
    • Replies: 2
    • Views: 213
    Yesterday, 02:58 PM Go to last post
  4. Carrier Weathermaker

    Started by georgegloves, 04-25-2017 01:58 PM
    • Replies: 6
    • Views: 260
    Yesterday, 07:52 AM Go to last post
    • Replies: 0
    • Views: 61
    Yesterday, 03:20 AM Go to last post
  5. Comstar RS-44b Refrigerant

    Started by dab18351, 04-26-2017 12:19 PM
    • Replies: 0
    • Views: 100
    04-26-2017, 12:19 PM Go to last post
  6. 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: 531
    04-25-2017, 07:34 AM Go to last post
  7. Church Units

    Started by bjc1355, 04-21-2017 02:03 PM
    • Replies: 6
    • Views: 235
    04-24-2017, 04:23 PM Go to last post
  8. Question High Humidity issue

    Started by Mr.Roberts88, 04-21-2017 03:52 PM
    • Replies: 2
    • Views: 191
    04-22-2017, 12:15 AM Go to last post
    • Replies: 9
    • Views: 321
    04-21-2017, 11:41 PM Go to last post
  9. Confused Trane Chillers - CCUA to RTUA Swap -- HELP!!!

    Started by mkim1, 03-16-2017 04:46 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 1,293
    04-20-2017, 01:34 PM Go to last post
  10. Is VRV/VRF trend of the industry??

    Started by MG Cooling, 04-19-2017 05:42 AM
    hvac controls
    • Replies: 2
    • Views: 253
    04-19-2017, 10:50 AM Go to last post
  11. Two split systems in one building?

    Started by Texas I&C Tech, 04-18-2017 08:55 PM
    • Replies: 0
    • Views: 159
    04-18-2017, 08:55 PM Go to last post
  12. testo 557

    Started by mferg027, 04-18-2017 06:52 PM
    • Replies: 0
    • Views: 138
    04-18-2017, 06:52 PM Go to last post
  13. Booster Fan Installation wiring

    Started by scottsdale816, 04-18-2017 06:36 PM
    • Replies: 1
    • Views: 137
    04-18-2017, 06:37 PM Go to last post
    • Replies: 0
    • Views: 114
    04-18-2017, 05:10 PM Go to last post
  14. Tracer Summit v17 can't find graphical objects

    Started by moodymutey, 04-17-2017 02:38 PM
    • Replies: 0
    • Views: 141
    04-17-2017, 02:38 PM Go to last post
  15. 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: 472
    04-17-2017, 01:55 PM Go to last post
  16. Trane Chiller idea

    Started by franklin2, 04-13-2017 09:14 PM
    • Replies: 0
    • Views: 318
    04-13-2017, 09:14 PM Go to last post
  17. Recognizing refrigerants

    Started by 80Kaitsu, 04-12-2017 12:12 PM
    • Replies: 5
    • Views: 342
    04-12-2017, 04:27 PM Go to last post
  18. Carrier 19XR Benshaw Solid State Starter

    Started by mwr1203, 04-11-2017 07:43 AM
    • Replies: 1
    • Views: 212
    04-11-2017, 10:50 AM Go to last post
    • Replies: 8
    • Views: 366
    04-09-2017, 10:46 AM Go to last post
  19. DRY SHIP R-22 CONDENSERS

    Started by falcon127, 04-08-2017 11:42 AM
    • Replies: 1
    • Views: 281
    04-08-2017, 12:11 PM Go to last post
    • Replies: 8
    • Views: 345
    04-08-2017, 10:19 AM Go to last post
  20. Deenergizing a steam line

    Started by srjopling, 04-05-2017 08:28 PM
    • Replies: 9
    • Views: 420
    04-06-2017, 01:05 PM Go to last post
  21. Confused Staefa FSR system question, panels flapping

    Started by davidburns, 04-04-2017 09:29 AM
    network, staefa
    • Replies: 1
    • Views: 183
    04-04-2017, 03:05 PM Go to last post
  22. York Yk Chiller Question

    Started by LlamaFan, 03-31-2017 10:06 AM
    • Replies: 0
    • Views: 409
    03-31-2017, 10:06 AM Go to last post
  23. What would cause this fan coil unit to burst?

    Started by Boiler Guy, 03-29-2017 12:19 PM
    • Replies: 6
    • Views: 405
    03-29-2017, 05:05 PM Go to last post
  24. Question Church Thermostat Setup - Three HVAC units, one room

    Started by EDAC, 03-20-2017 10:00 PM
    • Replies: 4
    • Views: 395
    03-29-2017, 12:23 PM Go to last post
  25. Liebert DH380A

    Started by Jim408us, 03-29-2017 10:38 AM
    • Replies: 0
    • Views: 211
    03-29-2017, 10:38 AM Go to last post
    • Replies: 8
    • Views: 566
    03-27-2017, 09:54 AM Go to last post
  26. Hmm Commercial Make Up Air

    Started by CTL Consultants, 03-23-2017 11:51 AM
    • Replies: 4
    • Views: 428
    03-24-2017, 08:54 AM Go to last post
  27. Looking for the proper thermostat

    Started by airdan, 03-22-2017 05:06 PM
    • Replies: 0
    • Views: 246
    03-22-2017, 05:06 PM Go to last post
  28. Question Billing based on BTU meter readings

    Started by nuwan, 02-16-2017 11:35 PM
    ahu, billing, btu, meters
    • Replies: 11
    • Views: 762
    03-22-2017, 06:54 AM Go to last post
  29. Condenser unit compressor startup draw.

    Started by WaterDog16S, 03-20-2017 11:22 PM
    • Replies: 0
    • Views: 287
    03-20-2017, 11:22 PM Go to last post
  30. Siemens PXC 24.s-M-A commisioning

    Started by sschreiner5, 03-20-2017 10:07 AM
    • Replies: 0
    • Views: 246
    03-20-2017, 10:07 AM Go to last post
  31. Corrosive Atmoshpere for Furnace

    Started by jafo252, 03-19-2017 03:06 PM
    • Replies: 12
    • Views: 480
    03-19-2017, 07:46 PM Go to last post
  32. Automate Switching Modes in Daikin

    Started by f909, 02-14-2017 10:41 AM
    daikin commercial hvac
    • Replies: 9
    • Views: 754
    03-19-2017, 04:04 PM Go to last post
  33. which HVAC system for construction greater than 25000 square feet?

    Started by JakeIII, 02-08-2017 06:58 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,084
    03-18-2017, 10:50 AM Go to last post
  34. Carrier 19FA

    Started by EastPlant2643, 03-10-2017 09:17 AM
    • Replies: 1
    • Views: 375
    03-16-2017, 07:25 AM Go to last post
    • Replies: 7
    • Views: 577
    03-14-2017, 12:14 PM Go to last post
  35. Post Potentiometer

    Started by deepshikha, 03-14-2017 03:38 AM
    • Replies: 0
    • Views: 288
    03-14-2017, 03:38 AM Go to last post
  36. Desert Aire QS60 heat pump head press problems.

    Started by Tomjd, 03-10-2017 12:48 AM
    • Replies: 0
    • Views: 302
    03-10-2017, 12:48 AM Go to last post
  37. Shaking My Head

    Started by Ripvanboilerman, 02-24-2017 07:07 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,446
    03-09-2017, 12:10 PM Go to last post
  38. Car Shop Exhaust Blowers

    Started by alex.carguy, 02-24-2017 01:25 AM
    • Replies: 12
    • Views: 822
    03-05-2017, 01:26 PM Go to last post
    • Replies: 4
    • Views: 569
    03-05-2017, 11:04 AM Go to last post
  39. Traulsen Fridge w/pictures

    Started by nanok66, 03-04-2017 06:27 PM
    • Replies: 8
    • Views: 596
    03-05-2017, 10:39 AM Go to last post
  40. McQuay

    Started by DPeoples, 02-23-2017 01:31 PM
    • Replies: 2
    • Views: 521
    03-01-2017, 04:40 PM Go to last post
  41. Question Discharge & Suction Pressure of Pumps

    Started by ronros90, 03-01-2017 05:39 AM
    pressure, pump
    • Replies: 0
    • Views: 382
    03-01-2017, 05:39 AM Go to last post

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