1. Announcement:
    User Device Poll
    Dad (Site Administrator)
    07-20-2016
    Views:
    5,866
Page 1 of 290 123456781151101 ... LastLast
Threads 1 to 50 of 14466

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: 9,649
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,415
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Rule of thumb: Sq Ft per ton of A/C

    Started by Possumking, 09-04-2008 08:02 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 188,524
    03-13-2012, 09:18 PM Go to last post
  3. cfm's in a ton

    Started by hootie, 04-03-2007 01:25 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 102,375
    09-13-2009, 12:05 AM Go to last post
  4. Hmm Trane Model Numbers?

    Started by Paulio, 03-09-2008 11:02 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 83,626
    04-22-2012, 04:19 PM Go to last post
  5. Icing up due to overcharge?

    Started by hsteiner, 04-03-2005 10:05 AM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 150
    • Views: 70,160
    08-01-2012, 08:21 PM Go to last post
  6. York Tonnage by Model Number?

    Started by bby, 05-28-2008 05:20 PM
    • Replies: 5
    • Views: 66,101
    05-28-2008, 11:29 PM Go to last post
  7. Trouble shooting Mr. Slim?

    Started by george42, 05-30-2004 02:55 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 62,001
    08-03-2004, 04:12 AM Go to last post
  8. Where are you from?

    Started by _knight_, 08-17-2006 09:13 AM
    27 Pages
    1 2 3 4 5 6 ... 27
    • Replies: 339
    • Views: 57,229
    04-12-2009, 01:43 PM Go to last post
  9. Arrow VAV vs VVT

    Started by dneil75, 01-26-2005 01:39 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 55,501
    03-11-2013, 09:54 PM Go to last post
  10. York Ycas Chiller Failures

    Started by acjourneyman, 10-25-2007 08:26 PM
    12 Pages
    1 2 3 4 5 6 ... 12
    • Replies: 153
    • Views: 52,154
    01-31-2011, 03:50 PM Go to last post
  11. York/Coleman model nomenclature

    Started by GenoMan, 06-13-2007 02:18 PM
    • Replies: 12
    • Views: 46,982
    12-17-2010, 11:28 AM Go to last post
  12. Confused Unlocking a Trane Thermostat

    Started by hjana1978, 01-11-2005 05:18 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 39,180
    10-29-2011, 02:12 AM Go to last post
  13. Confused out of ideas

    Started by fruecrue, 12-23-2009 08:20 PM
    29 Pages
    1 2 3 4 5 6 ... 29
    • Replies: 374
    • Views: 37,721
    05-18-2010, 05:53 PM Go to last post
  14. Confused Fan External Static Pressure??

    Started by starter, 04-24-2006 12:01 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 37,429
    05-28-2009, 05:03 PM Go to last post
  15. high suction pressure

    Started by chillout, 07-18-2004 11:42 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 37,308
    10-20-2011, 10:01 PM Go to last post
    • Replies: 77
    • Views: 37,202
    07-22-2012, 05:58 PM Go to last post
  16. Sensible vs Latent heat

    Started by DCN289, 03-13-2008 12:28 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 36,886
    03-26-2008, 11:36 PM Go to last post
  17. are YORK techs bailing?

    Started by streetsmarts, 10-08-2006 11:30 AM
    17 Pages
    1 2 3 4 5 6 ... 17
    • Replies: 208
    • Views: 36,226
    12-06-2008, 09:40 AM Go to last post
  18. Circuit Setter

    Started by etheric999, 12-09-2007 07:00 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 35,189
    11-28-2010, 02:30 PM Go to last post
  19. How a CRAC unit works -- DC

    Started by Boots22, 04-02-2007 02:46 PM
    • Replies: 12
    • Views: 35,053
    04-06-2007, 11:30 AM Go to last post
  20. Trane vs. York centrifugal

    Started by facilitiesguy, 02-13-2008 04:21 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 159
    • Views: 34,002
    05-19-2008, 09:25 PM Go to last post
  21. BTU/hr calculation

    Started by pwn01, 08-03-2007 11:22 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 31,411
    09-01-2007, 05:13 PM Go to last post
  22. daikin vs mitsubishi

    Started by kaehvac, 02-21-2008 09:47 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 30,315
    10-04-2011, 09:57 AM Go to last post
  23. Condensing units vs dry coolers?

    Started by Grawburg, 06-21-2008 03:47 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 29,432
    12-30-2011, 02:14 PM Go to last post
  24. TRANE Tech Support

    Started by pete_d, 05-13-2008 11:50 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 29,390
    05-19-2008, 09:34 AM Go to last post
  25. Lochinvar Boiler Flame Failure Problem

    Started by jogas, 03-08-2007 05:48 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 27,206
    10-06-2007, 08:49 PM Go to last post
  26. Honeywell fire/smoke damper actuators

    Started by who cares, 11-15-2005 11:59 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 27,155
    02-24-2012, 08:46 PM Go to last post
  27. condenser approach

    Started by chillered, 01-27-2006 01:00 AM
    • Replies: 11
    • Views: 26,992
    02-15-2006, 12:49 PM Go to last post
  28. Question CFM per room per person

    Started by propmanage, 11-28-2006 08:26 AM
    • Replies: 7
    • Views: 26,043
    11-28-2006, 02:04 PM Go to last post
  29. Carrier chillers --- Approach temperatures

    Started by licensed to chill, 07-14-2008 06:44 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 25,464
    07-10-2009, 01:35 AM Go to last post
  30. Mitsubishi City Multi

    Started by ajpackman, 03-07-2006 03:40 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 25,287
    04-27-2011, 07:54 PM Go to last post
  31. Liebert CRAC unit - short cycle problem

    Started by Hutch, 07-15-2009 01:09 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 25,155
    10-03-2011, 08:52 PM Go to last post
  32. Question TurboCore

    Started by seawolf 1, 03-14-2006 09:01 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 87
    • Views: 25,110
    02-24-2008, 01:43 PM Go to last post
  33. 3 phase compressor check

    Started by Ricky Dale, 10-31-2009 01:34 AM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 102
    • Views: 24,644
    01-04-2010, 08:15 PM Go to last post
  34. Digital/Online Ductulator

    Started by marauderx, 06-26-2007 01:08 PM
    • Replies: 8
    • Views: 24,626
    12-30-2009, 02:20 AM Go to last post
  35. Question how do you calculate condensor subcooling?

    Started by ptrck, 10-11-2004 08:45 PM
    • Replies: 2
    • Views: 24,364
    10-11-2004, 10:01 PM Go to last post
  36. Question Fan Cycle Controls

    Started by hvac2379, 04-06-2006 03:39 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 24,175
    04-22-2009, 06:51 PM Go to last post
  37. Pressure checking a Propane Line

    Started by Gebo, 02-02-2008 07:26 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 23,962
    02-04-2008, 08:43 PM Go to last post
  38. Frown munchkin trouble

    Started by bchh, 12-17-2006 01:10 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 23,504
    04-28-2010, 11:24 PM Go to last post
    • Replies: 11
    • Views: 23,105
    11-11-2009, 07:08 PM Go to last post
  39. Confused suction line freezing

    Started by shultz440, 06-11-2010 07:44 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 23,067
    06-15-2010, 08:14 PM Go to last post
  40. Hmm R-22 Refrigerant ' replacements '

    Started by freonguy, 03-04-2008 08:30 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 22,291
    07-23-2013, 09:32 PM Go to last post
  41. How does Hot Gas By Pass function???

    Started by colinyan, 09-09-2004 07:25 AM
    • Replies: 7
    • Views: 21,814
    09-10-2004, 11:40 AM Go to last post
  42. Confused York Tech support

    Started by neilvac, 11-17-2005 08:03 PM
    • Replies: 8
    • Views: 21,291
    11-28-2005, 08:25 PM Go to last post
  43. how to convert tons to kw

    Started by amustafa, 03-08-2010 10:13 AM
    • Replies: 5
    • Views: 21,227
    03-17-2010, 08:27 AM Go to last post
  44. Reheat Coils

    Started by Salvinian, 12-11-2007 11:30 AM
    • Replies: 10
    • Views: 21,152
    12-13-2007, 09:35 PM Go to last post
  45. Smile Turbocor Problems

    Started by turbo geek, 10-21-2006 09:38 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 21,020
    06-26-2013, 05:15 PM Go to last post
  46. Need nomenclature list for Trane SFCB-C104

    Started by 88fred, 06-02-2007 01:27 PM
    • Replies: 7
    • Views: 20,936
    05-31-2011, 09:40 AM Go to last post
  47. What local are you from?

    Started by wonder_boy, 12-20-2005 09:49 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 156
    • Views: 20,826
    05-26-2006, 08:52 PM Go to last post
  48. Trane CVHE Teardown Manual

    Started by nh3engineer, 04-16-2008 04:57 AM
    5 Pages
    1 2 3 4 5
    • Replies: 57
    • Views: 20,808
    07-26-2008, 12:44 AM Go to last post
  49. Carrier ComfortLink Alarm Codes

    Started by crowelle, 08-27-2004 03:42 PM
    • Replies: 8
    • Views: 20,496
    01-29-2007, 11:47 AM Go to last post

Page 1 of 290 123456781151101 ... LastLast

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 20 replies or 150 views
Hot thread with unread posts
More than 20 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech 365