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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: 12,383
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 10,644
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Door heater

    Started by Honesttech, Today 07:16 PM
    • Replies: 3
    • Views: 56
    Today, 08:46 PM Go to last post
    • Replies: 0
    • Views: 47
    Today, 01:28 PM Go to last post
  3. Carrier 30HXC Deadband Question

    Started by Scarince, 07-16-2018 12:44 PM
    • Replies: 5
    • Views: 180
    Today, 08:37 AM Go to last post
  4. Kewanee Boiler Model H3S-400-G02

    Started by Jay5683, Yesterday 05:07 PM
    • Replies: 0
    • Views: 72
    Yesterday, 05:07 PM Go to last post
  5. Question metallic taste on lips and skin

    Started by itsannmartin, 07-16-2018 11:43 PM
    air quality
    • Replies: 9
    • Views: 177
    07-17-2018, 09:09 PM Go to last post
  6. My AC

    Started by johnsol, 07-16-2018 10:26 AM
    • Replies: 6
    • Views: 174
    07-17-2018, 05:21 PM Go to last post
  7. Short cycle due to low pressure switch, ???

    Started by charperrr, 07-16-2018 10:15 PM
    compressor troubleshooting, low pressure, r22, short cycle
    • Replies: 2
    • Views: 103
    07-17-2018, 01:08 PM Go to last post
  8. Carrier Aqua Snap 30RAP 40 ton

    Started by kal.b, 07-05-2018 12:33 AM
    • Replies: 6
    • Views: 265
    07-17-2018, 12:36 AM Go to last post
  9. Carrier 30HXC Deadband Question

    Started by Scarince, 07-16-2018 09:38 AM
    • Replies: 0
    • Views: 21
    07-16-2018, 09:38 AM Go to last post
  10. Warehouse/paint shop cooling issues

    Started by Shaun Barnard, 07-06-2018 11:45 AM
    • Replies: 5
    • Views: 201
    07-15-2018, 11:33 AM Go to last post
  11. Upgrading to Desigo

    Started by GlennZ, 07-12-2018 04:17 PM
    • Replies: 4
    • Views: 167
    07-12-2018, 07:26 PM Go to last post
  12. CFM "over amped" - Repair, Replace, or Ignore?

    Started by ofp, 07-05-2018 09:35 AM
    • Replies: 4
    • Views: 158
    07-12-2018, 12:38 PM Go to last post
    • Replies: 0
    • Views: 126
    07-12-2018, 02:47 AM Go to last post
  13. Ductless unit installation

    Started by Drejoel3, 07-11-2018 07:02 AM
    • Replies: 1
    • Views: 122
    07-11-2018, 07:28 AM Go to last post
  14. O ring burnt while soldering linset

    Started by Certifizel, 07-04-2018 12:41 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 589
    07-10-2018, 01:52 PM Go to last post
  15. MS26FB-T ACC-CUBIGEL MS 26 FB

    Started by bruce23, 07-09-2018 07:35 AM
    • Replies: 2
    • Views: 110
    07-09-2018, 07:47 AM Go to last post
  16. Warehouse

    Started by Shaun Barnard, 07-06-2018 09:53 AM
    • Replies: 0
    • Views: 47
    07-06-2018, 09:53 AM Go to last post
  17. Load Calculations - Sensible more than Total

    Started by sn23, 07-05-2018 04:39 AM
    • Replies: 1
    • Views: 177
    07-05-2018, 12:47 PM Go to last post
  18. A question about psycrometrics.

    Started by sergio_, 07-04-2018 05:07 PM
    • Replies: 2
    • Views: 202
    07-05-2018, 06:33 AM Go to last post
  19. Question about Outdoor air.

    Started by sergio_, 07-04-2018 05:26 PM
    • Replies: 0
    • Views: 149
    07-04-2018, 05:26 PM Go to last post
  20. Two compressors, one fan - CFM and humidity

    Started by cris, 07-03-2018 10:33 PM
    humidity control
    • Replies: 0
    • Views: 168
    07-03-2018, 10:33 PM Go to last post
  21. Advice needed

    Started by ambern11, 06-30-2018 04:43 PM
    • Replies: 9
    • Views: 271
    07-03-2018, 06:43 PM Go to last post
  22. Checking refrigerant using only gauges?

    Started by rockwall, 07-02-2018 05:06 PM
    • Replies: 1
    • Views: 239
    07-02-2018, 08:16 PM Go to last post
  23. TRANE - E-Flex - multi speed compressor

    Started by wreakingHaVAC, 07-01-2018 08:25 PM
    • Replies: 0
    • Views: 149
    07-01-2018, 08:25 PM Go to last post
  24. Help with sizing Mitsubishi mini-split

    Started by bobness, 06-29-2018 06:16 PM
    • Replies: 5
    • Views: 273
    07-01-2018, 11:49 AM Go to last post
    • Replies: 11
    • Views: 320
    07-01-2018, 08:06 AM Go to last post
  25. Question Help with calculating Heat gain from office equipment

    Started by QC91, 06-27-2018 04:50 PM
    heat gain, load calc, load calculations, size
    • Replies: 4
    • Views: 206
    06-29-2018, 04:19 PM Go to last post
  26. Carrier 30RAP and new Main Base Board

    Started by bobbyg, 06-18-2018 11:16 AM
    • Replies: 4
    • Views: 293
    06-28-2018, 03:26 PM Go to last post
  27. Carrier RTU compressor and condenser fan

    Started by yankeesnick, 06-27-2018 05:32 PM
    • Replies: 1
    • Views: 176
    06-27-2018, 05:45 PM Go to last post
  28. lennox rtu reason for running only 1 stage?

    Started by Maynardr6, 05-31-2018 12:11 AM
    • Replies: 4
    • Views: 366
    06-27-2018, 04:31 PM Go to last post
    • Replies: 4
    • Views: 211
    06-27-2018, 06:13 AM Go to last post
  29. Trane chiller questions

    Started by executive, 06-26-2018 03:45 PM
    • Replies: 4
    • Views: 158
    06-26-2018, 04:32 PM Go to last post
  30. Smardt in Hawaii ?

    Started by IGLOOAC, 06-25-2018 12:37 PM
    • Replies: 3
    • Views: 189
    06-25-2018, 02:42 PM Go to last post
  31. trane precedent

    Started by johnp33, 06-24-2018 09:24 PM
    • Replies: 0
    • Views: 123
    06-24-2018, 09:24 PM Go to last post
  32. Question VFD PITA

    Started by WRKMAN, 06-20-2018 01:11 PM
    • Replies: 3
    • Views: 244
    06-24-2018, 01:05 AM Go to last post
  33. Cooling towner as standalone unit?

    Started by PalmPre, 06-20-2018 10:43 AM
    • Replies: 12
    • Views: 367
    06-23-2018, 10:59 PM Go to last post
  34. Best way to check ac pressures on water cooled units?

    Started by Rusty Capacitor, 06-21-2018 07:21 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 430
    06-23-2018, 01:22 PM Go to last post
  35. Customer wants to install a "used" unit

    Started by tacosoup, 06-20-2018 10:29 AM
    • Replies: 5
    • Views: 311
    06-22-2018, 04:06 PM Go to last post
  36. Coleman BAUH-F048AB Fan Always On

    Started by rsw686, 06-20-2018 10:37 PM
    • Replies: 3
    • Views: 170
    06-22-2018, 09:22 AM Go to last post
  37. Trane Integration Help Request

    Started by Hank47808, 06-21-2018 01:47 PM
    • Replies: 0
    • Views: 130
    06-21-2018, 01:47 PM Go to last post
  38. New condenser/compressor unit not cold enough.

    Started by Wingchip, 06-10-2018 12:45 PM
    • Replies: 10
    • Views: 530
    06-18-2018, 12:42 PM Go to last post
  39. YORK AIR SCREW CHILLER...ALL COMPRESSORS OUT ON LOW SUCTION

    Started by HDog, 05-15-2018 12:12 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,212
    06-13-2018, 08:26 PM Go to last post
  40. FREEZER - Evap & Condenser sizing and options

    Started by Joe'Bronco, 06-11-2018 01:53 PM
    • Replies: 1
    • Views: 222
    06-11-2018, 09:44 PM Go to last post
  41. Ideal way to ventilate a pet shop

    Started by josh0322, 06-03-2018 02:43 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 685
    06-09-2018, 06:53 PM Go to last post
  42. Advice on how to determine chiller efficiency

    Started by Mr.Fikri, 06-06-2018 12:43 AM
    • Replies: 2
    • Views: 277
    06-09-2018, 12:42 PM Go to last post
  43. Oil pump motor push ON relay TRANE CVHF

    Started by nungriano, 06-09-2018 03:33 AM
    • Replies: 1
    • Views: 215
    06-09-2018, 08:42 AM Go to last post
    • Replies: 4
    • Views: 365
    06-08-2018, 08:41 PM Go to last post
    • Replies: 0
    • Views: 191
    06-08-2018, 05:42 AM Go to last post
    • Replies: 2
    • Views: 209
    06-07-2018, 03:58 PM Go to last post
  44. Warehouse cooling and airflow

    Started by maverma, 05-21-2018 08:40 PM
    • Replies: 6
    • Views: 524
    05-31-2018, 11:37 PM Go to last post

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