1. Announcement:
    Poll Dance !!
    Dad (Site Administrator)
    06-22-2012
    Views:
    22,331
Page 1 of 21 1234567811 ... LastLast
Threads 1 to 50 of 1017

Forum: Pro's Forum: Commercial

Pro-to-Pro, Tech-to-Tech, COMMERCIAL This is where to find help and offer help to members in the HVAC Industry. Use this link to Apply For Pro Technical Membership

  1. Sticky Thread Sticky: Today we split the Pro Commercial and Residential

    Started by Dad, 08-10-2011 04:41 PM
    • Replies: 2
    • Views: 177
    james mo
    08-16-2011, 10:43 PM Go to last post

  1. smoke fans

    Started by Joe Harper, 08-11-2011 09:34 PM
    • Replies: 5
    • Views: 48
    Tiger93rsl
    08-12-2011, 12:51 AM Go to last post

  2. Hmm Carrier Fan Coil

    Started by atlantis, 08-12-2011 05:06 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 26
    dandyme
    08-12-2011, 06:00 PM Go to last post

  3. Big Prize

    Started by acmanko, 08-10-2011 05:17 PM
    • Replies: 10
    • Views: 91
    Moparmyway
    08-13-2011, 10:44 AM Go to last post

  4. Humidistats

    Started by John Markl, 08-12-2011 08:22 PM
    • Replies: 3
    • Views: 50
    John Markl
    08-14-2011, 01:16 PM Go to last post

  5. York guys

    Started by CDNtech, 08-15-2011 07:27 PM
    • Replies: 3
    • Views: 54
    Tiger93rsl
    08-15-2011, 07:57 PM Go to last post

  6. Trane TXV conversion

    Started by Dallas Duster, 08-15-2011 09:53 PM
    • Replies: 4
    • Views: 64
    Texas-Tech
    08-16-2011, 05:19 PM Go to last post

  7. 40 ton train condenser coil.

    Started by jimmyed, 08-14-2011 12:11 AM
    1 Attachment(s)
    • Replies: 7
    • Views: 117
    Cooked
    08-16-2011, 06:02 PM Go to last post

  8. Praxair,g-tec natural gas torch booster

    Started by dfelt, 08-15-2011 11:40 PM
    • Replies: 5
    • Views: 39
    karl k
    08-17-2011, 09:18 AM Go to last post

  9. Delfield service training

    Started by crstephens83, 08-16-2011 05:45 PM
    • Replies: 1
    • Views: 34
    knewguy
    08-17-2011, 02:20 PM Go to last post

  10. PTAC Manuals

    Started by db7803, 08-15-2011 03:09 PM
    2 Attachment(s)
    • Replies: 6
    • Views: 45
    rundawg
    08-17-2011, 03:50 PM Go to last post

  11. Hanging unit heaters

    Started by countrykid78, 08-18-2011 02:16 PM
    • Replies: 11
    • Views: 89
    countrykid78
    08-19-2011, 09:40 AM Go to last post

  12. taco 0538 bearing job

    Started by fearlessfurnace, 08-14-2011 12:20 PM
    2 Pages •
    1 2
    • Replies: 15
    • Views: 129
    double bogey
    08-20-2011, 11:42 AM Go to last post

  13. Residential working on Commercial

    Started by mjohnson2981, 08-19-2011 03:35 PM
    2 Pages •
    1 2
    • Replies: 17
    • Views: 203
    ruuufuhbock
    08-20-2011, 01:16 PM Go to last post

  14. Acid in system...

    Started by mjohnson2981, 08-21-2011 11:49 AM
    • Replies: 4
    • Views: 63
    mjohnson2981
    08-21-2011, 12:55 PM Go to last post

  15. 575volt RTU

    Started by Servicepro, 08-12-2011 07:33 PM
    2 Pages •
    1 2
    • Replies: 17
    • Views: 253
    Octopus
    08-21-2011, 05:47 PM Go to last post

  16. Any experience with gigantic backward curved centrifugal wheels?

    Started by Cooked, 08-16-2011 06:16 PM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 29
    • Views: 346
    Dallas Duster
    08-21-2011, 09:41 PM Go to last post

  17. anybody familiar with lead/lag controllers?

    Started by Tommy1010, 08-18-2011 10:27 AM
    • Replies: 1
    • Views: 56
    wolfdog
    08-21-2011, 11:51 PM Go to last post

  18. PDF Manuals

    Started by waltervan, 08-12-2011 11:25 AM
    • Replies: 10
    • Views: 242
    NewportNic
    08-23-2011, 07:03 PM Go to last post

  19. Confused Heat Pump with fan cycling?

    Started by qwerty hvac, 08-23-2011 09:54 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 37
    jimj
    08-23-2011, 10:16 PM Go to last post

  20. Temp sensors on a rooftop

    Started by Dr.phil, 08-17-2011 01:37 PM
    • Replies: 2
    • Views: 55
    Moparmyway
    08-24-2011, 06:34 PM Go to last post

  21. Confused voyager problem w/ economizer

    Started by newinthefield, 08-14-2011 08:26 PM
    2 Pages •
    1 2
    • Replies: 14
    • Views: 201
    Benny99
    08-24-2011, 11:11 PM Go to last post

  22. Carrier 50HQA

    Started by Tiger93rsl, 08-10-2011 05:28 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 19
    • Views: 149
    Mac222
    08-25-2011, 09:31 AM Go to last post

  23. Thermal plug question

    Started by Tommy1010, 08-23-2011 01:25 PM
    2 Pages •
    1 2
    • Replies: 13
    • Views: 124
    hvacker
    08-25-2011, 02:59 PM Go to last post

  24. Water heater combustion issues

    Started by hvacpope, 08-23-2011 06:10 PM
    • Replies: 10
    • Views: 74
    hvacpope
    08-25-2011, 05:26 PM Go to last post

  25. 7.5 ton rtu changeout

    Started by michigan1, 08-24-2011 12:49 PM
    • Replies: 6
    • Views: 77
    michigan1
    08-25-2011, 06:35 PM Go to last post

  26. Questions about a CFM i changed on rooftop

    Started by copperteeth, 08-25-2011 09:04 PM
    1 Attachment(s)
    • Replies: 7
    • Views: 76
    chillerout1
    08-25-2011, 09:42 PM Go to last post

  27. I need some help with a strange A/C problem.

    Started by 270wsm, 08-25-2011 09:54 PM
    2 Pages •
    1 2
    • Replies: 17
    • Views: 179
    fearlessfurnace
    08-26-2011, 07:04 PM Go to last post

  28. Ranco RV

    Started by KB Cool, 08-24-2011 10:30 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 13
    • Views: 74
    KB Cool
    08-26-2011, 10:01 PM Go to last post

  29. pricing an RT install

    Started by jrmech, 08-27-2011 05:20 PM
    • Replies: 1
    • Views: 36
    ACFIXR
    08-27-2011, 06:15 PM Go to last post

  30. Charging with long lineset.

    Started by mjohnson2981, 08-23-2011 08:26 AM
    2 Pages •
    1 2
    • Replies: 22
    • Views: 228
    Vettgetsmwet04
    08-27-2011, 11:45 PM Go to last post

  31. Large HP Steam boiler Q/A

    Started by rnoel, 08-28-2011 03:57 PM
    • Replies: 0
    • Views: 21
    rnoel
    08-28-2011, 03:57 PM Go to last post

  32. ISC cabinet unit display question

    Started by Tommy1010, 08-29-2011 10:06 AM
    • Replies: 0
    • Views: 13
    Tommy1010
    08-29-2011, 10:06 AM Go to last post

  33. Heated Discussion on Belts

    Started by madhat, 08-17-2011 11:00 PM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 429
    fearlessfurnace
    08-29-2011, 05:57 PM Go to last post

  34. Compressors blowing fuses

    Started by mcairrepair, 08-26-2011 05:40 PM
    • Replies: 6
    • Views: 128
    hvacker
    08-29-2011, 06:24 PM Go to last post

  35. Smoke Detectors in MAU

    Started by Tiger93rsl, 08-23-2011 07:13 PM
    • Replies: 4
    • Views: 53
    hvacker
    08-29-2011, 06:29 PM Go to last post

  36. 3rd leg pulling on 1.1 amps

    Started by ocd, 08-24-2011 07:21 AM
    4 Pages •
    1 2 3 4
    • Replies: 49
    • Views: 645
    ocd
    08-29-2011, 11:54 PM Go to last post

  37. ISCEON MO99 questions

    Started by Cooked, 08-27-2011 01:33 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 55
    Cooked
    08-30-2011, 12:18 AM Go to last post

  38. cond fan motor

    Started by ocd, 08-30-2011 09:03 PM
    • Replies: 9
    • Views: 114
    Roncool
    08-31-2011, 12:18 PM Go to last post

  39. Whats up with this

    Started by Roncool, 08-30-2011 03:38 PM
    • Replies: 9
    • Views: 204
    warm
    08-31-2011, 09:51 PM Go to last post

  40. Converting Trane RTU w/novar to standard

    Started by dmd-marc, 08-31-2011 09:06 PM
    • Replies: 3
    • Views: 46
    superfittertech
    09-01-2011, 12:01 AM Go to last post

  41. IOM needed~ YCH240

    Started by btuhack, 08-30-2011 10:17 PM
    2 Attachment(s)
    • Replies: 4
    • Views: 56
    superfittertech
    09-01-2011, 12:03 AM Go to last post

  42. Looking for American Standard IOM

    Started by targetman, 09-01-2011 05:50 PM
    • Replies: 4
    • Views: 41
    knave
    09-02-2011, 04:08 PM Go to last post

  43. Measuring SH and SC with R407C

    Started by mcewans, 09-02-2011 05:25 PM
    • Replies: 4
    • Views: 64
    GoColts
    09-02-2011, 08:02 PM Go to last post

  44. Carrier 48TCEB05

    Started by agross, 09-01-2011 06:05 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 70
    agross
    09-03-2011, 10:24 AM Go to last post

  45. Voyager Fan Blade Position

    Started by HuNGRYTeCH, 09-01-2011 11:24 PM
    • Replies: 9
    • Views: 104
    HuNGRYTeCH
    09-03-2011, 05:21 PM Go to last post

  46. Trane 50 ton problems

    Started by tempco, 08-20-2011 09:59 PM
    2 Pages •
    1 2
    • Replies: 18
    • Views: 273
    jackintheboxtec
    09-04-2011, 11:32 AM Go to last post

  47. Trane RTU help please

    Started by Servicepro, 09-04-2011 04:33 PM
    • Replies: 2
    • Views: 43
    Servicepro
    09-04-2011, 05:50 PM Go to last post

  48. Chiller

    Started by etheric999, 08-31-2011 06:34 PM
    • Replies: 8
    • Views: 128
    Tommy1010
    09-04-2011, 07:54 PM Go to last post

  49. Ball Valve Turned By Itself???

    Started by TGoodrich, 08-29-2011 07:13 PM
    • Replies: 8
    • Views: 180
    timebuilder
    09-05-2011, 08:41 AM Go to last post

  50. TXV, Distributor, and Nozzle matchup

    Started by bja105, 09-04-2011 10:59 AM
    • Replies: 10
    • Views: 95
    engineerdave
    09-05-2011, 09:53 PM Go to last post
Page 1 of 21 1234567811 ... LastLast

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
  •  

Forum Rules