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Threads 1 to 50 of 13926

Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky: >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 4,042
    10-31-2011, 07:41 PM Go to last post
  2. Sticky Thread Sticky: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:37 PM
    • Replies: 0
    • Views: 3,364
    10-31-2011, 07:37 PM Go to last post
  1. Return air question

    Started by DJ_Poop, Today 08:40 AM
    return air
    • Replies: 2
    • Views: 68
    Today, 03:24 PM Go to last post
  2. 3 phase power with a dead mans leg

    Started by Heatman317, Today 01:23 PM
    • Replies: 1
    • Views: 56
    Today, 02:46 PM Go to last post
  3. Quick Advice on HVAC unit Sizing

    Started by acervj, Today 10:41 AM
    calculation, commercial hvac, hvac, sizing
    • Replies: 0
    • Views: 71
    Today, 10:41 AM Go to last post
  4. Help with York RTU

    Started by Arcjci, 07-15-2014 09:26 PM
    • Replies: 4
    • Views: 266
    Yesterday, 04:19 PM Go to last post
  5. Want Commercial Equipment for Building

    Started by grinnell, Yesterday 04:19 PM
    • Replies: 0
    • Views: 87
    Yesterday, 04:19 PM Go to last post
  6. Hmm Whistling sound in forced hot water Apt Building

    Started by PatDean, 02-17-2014 03:18 PM
    • Replies: 10
    • Views: 502
    Yesterday, 04:01 PM Go to last post
    • Replies: 9
    • Views: 418
    Yesterday, 08:55 AM Go to last post
  7. Coppor saddle boss

    Started by stever3, 07-22-2014 09:15 AM
    • Replies: 2
    • Views: 116
    07-22-2014, 09:32 AM Go to last post
  8. Trane unit reversing valve issue

    Started by thehomedoctor, 07-17-2014 04:15 PM
    • Replies: 1
    • Views: 225
    07-18-2014, 09:06 PM Go to last post
  9. Concerned about a ac install

    Started by SubaruB4, 07-15-2014 07:30 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 383
    07-16-2014, 09:19 PM Go to last post
  10. Walk in Fridge - Condenser/Compressor

    Started by dmaslach, 07-14-2014 03:23 PM
    • Replies: 3
    • Views: 241
    07-15-2014, 09:52 AM Go to last post
  11. Looking for an smaller HVAC contractor

    Started by aaroberts, 07-14-2014 02:25 PM
    • Replies: 2
    • Views: 209
    07-14-2014, 03:42 PM Go to last post
  12. heat load

    Started by ryan79, 07-09-2014 04:03 PM
    • Replies: 3
    • Views: 243
    07-14-2014, 06:27 AM Go to last post
  13. Fulton PHW 2000 8 years old having problems.

    Started by Snoco, 07-11-2014 05:13 PM
    • Replies: 0
    • Views: 136
    07-11-2014, 05:13 PM Go to last post
  14. Confused Jordan Refrigerator

    Started by jmmbrwn, 06-25-2014 12:54 PM
    • Replies: 2
    • Views: 221
    07-11-2014, 09:43 AM Go to last post
  15. HVAC Diagnostics

    Started by john ennis, 07-08-2014 10:55 AM
    • Replies: 3
    • Views: 218
    07-11-2014, 09:34 AM Go to last post
  16. new guy, Enerstat/zone control question

    Started by hangar21, 07-10-2014 11:09 PM
    • Replies: 0
    • Views: 139
    07-10-2014, 11:09 PM Go to last post
  17. Why would the damper get suck?

    Started by SubaruB4, 06-30-2014 10:29 AM
    • Replies: 12
    • Views: 375
    07-10-2014, 09:42 PM Go to last post
  18. Trane WSHP

    Started by Billyable, 07-09-2014 10:02 PM
    • Replies: 2
    • Views: 137
    07-09-2014, 10:20 PM Go to last post
  19. Lochnivar Enable/Disable ?

    Started by gazoo, 07-07-2014 06:32 PM
    • Replies: 1
    • Views: 138
    07-08-2014, 09:51 PM Go to last post
  20. BOHN FREEZER UNIT

    Started by MSCA/C, 07-08-2014 02:40 PM
    • Replies: 2
    • Views: 190
    07-08-2014, 05:14 PM Go to last post
  21. Evap coil icing over

    Started by lektrik6, 07-05-2014 03:43 PM
    2 Pages
    1 2
    ice
    • Replies: 15
    • Views: 499
    07-07-2014, 10:30 PM Go to last post
  22. york vsd 419 error explain

    Started by caferpoyraz, 07-07-2014 02:17 AM
    • Replies: 0
    • Views: 128
    07-07-2014, 02:17 AM Go to last post
  23. York YS Discharge Superheat

    Started by ycwl, 07-04-2014 11:45 PM
    • Replies: 1
    • Views: 170
    07-05-2014, 08:47 AM Go to last post
  24. Carrier 30HXC T098-2 comp A alarm

    Started by ycwl, 07-04-2014 10:57 PM
    • Replies: 0
    • Views: 113
    07-04-2014, 10:57 PM Go to last post
  25. Liebert A/C Main fan issues

    Started by Ron Martin, 07-04-2014 12:08 PM
    • Replies: 2
    • Views: 201
    07-04-2014, 07:59 PM Go to last post
  26. Not cooling enough ?

    Started by cincydh, 06-24-2014 03:01 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 570
    07-04-2014, 02:36 PM Go to last post
  27. Confused High Superheat TRANE voyager 20 ton

    Started by bsfitz88, 07-03-2014 06:13 PM
    • Replies: 5
    • Views: 222
    07-04-2014, 09:42 AM Go to last post
  28. Trane Compressors Shot - Options? - Need Help!!

    Started by Verklempt, 07-02-2014 05:08 PM
    • Replies: 8
    • Views: 294
    07-03-2014, 03:00 PM Go to last post
    • Replies: 5
    • Views: 209
    07-03-2014, 01:54 PM Go to last post
  29. Question How much outside air is needed

    Started by samos, 06-20-2014 03:50 PM
    • Replies: 3
    • Views: 491
    07-02-2014, 06:54 PM Go to last post
  30. condenser fan motor getting wet

    Started by HisDeciple, 05-02-2014 04:08 PM
    • Replies: 2
    • Views: 445
    07-02-2014, 12:45 PM Go to last post
  31. Heat loss in electrical panel

    Started by stblz, 06-23-2014 03:15 AM
    • Replies: 2
    • Views: 232
    07-01-2014, 10:13 PM Go to last post
    • Replies: 1
    • Views: 138
    07-01-2014, 04:54 PM Go to last post
  32. Need help with communication...

    Started by Baelthorn, 07-01-2014 02:10 PM
    • Replies: 0
    • Views: 146
    07-01-2014, 02:10 PM Go to last post
    • Replies: 6
    • Views: 219
    07-01-2014, 12:22 AM Go to last post
  33. Trane , Tracer Summit, intelipak

    Started by burning,up, 06-30-2014 04:03 PM
    • Replies: 0
    • Views: 155
    06-30-2014, 04:03 PM Go to last post
  34. Sporlan KT-54-VGA

    Started by prorefco, 08-07-2006 06:31 PM
    • Replies: 9
    • Views: 1,438
    06-29-2014, 09:31 PM Go to last post
  35. Daikin VRV system and fire alarm trip

    Started by ChrisF10, 06-27-2014 08:50 AM
    • Replies: 0
    • Views: 220
    06-27-2014, 08:50 AM Go to last post
  36. Danfoss AKM

    Started by Reckles, 06-27-2014 08:16 AM
    • Replies: 0
    • Views: 144
    06-27-2014, 08:16 AM Go to last post
    • Replies: 0
    • Views: 187
    06-26-2014, 01:35 AM Go to last post
  37. Post r12 walk in freezer wiring info needed

    Started by oldtom, 06-11-2014 11:19 PM
    • Replies: 8
    • Views: 513
    06-25-2014, 08:04 AM Go to last post
  38. Calculating cost per CFM and BTU

    Started by Lenser, 06-17-2014 02:10 PM
    • Replies: 9
    • Views: 353
    06-24-2014, 09:23 AM Go to last post
  39. Rooftop AC leaking

    Started by kturillo, 06-14-2014 12:46 PM
    • Replies: 3
    • Views: 366
    06-23-2014, 10:51 PM Go to last post
  40. Energy use

    Started by Sedelco1560, 06-23-2014 03:40 PM
    • Replies: 0
    • Views: 179
    06-23-2014, 03:40 PM Go to last post
  41. Large NightClub HVAC Ductwork question

    Started by DarioTexas, 06-20-2014 01:53 PM
    • Replies: 1
    • Views: 295
    06-23-2014, 09:16 AM Go to last post
  42. basic fundamentals

    Started by jkfeuer, 06-17-2014 09:26 PM
    • Replies: 6
    • Views: 303
    06-23-2014, 07:37 AM Go to last post
  43. UltraHeat UH50 BTU Meters

    Started by Reckles, 06-23-2014 04:20 AM
    • Replies: 0
    • Views: 146
    06-23-2014, 04:20 AM Go to last post
  44. Small HVAC System for Remote Sites?

    Started by illuminetics, 06-13-2014 07:19 PM
    • Replies: 2
    • Views: 331
    06-20-2014, 09:10 AM Go to last post
  45. Compressor location at warehouse

    Started by ScottR2, 06-19-2014 10:34 AM
    • Replies: 1
    • Views: 224
    06-19-2014, 07:18 PM Go to last post

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