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Forum: AOP Residential HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions pertaining to HVAC for the home. No pricing, no DIY, please read Site Rules Register

  1. Sticky Thread Sticky Threads

  2. Angry Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 11-15-2008 11:40 PM
    • Replies: 0
    • Views: 72,366
    11-15-2008, 11:40 PM Go to last post
    • Replies: 0
    • Views: 70,641
    10-31-2011, 07:32 PM Go to last post
  1. Normal Thread Normal Threads

  2. Shutdown noise

    Started by Trane mystery, 05-22-2012 08:34 PM
    • Replies: 11
    • Views: 1,489,901
    05-30-2012, 10:42 PM Go to last post
  3. CFM's per duct size

    Started by whtmntmgmt, 05-22-2006 11:53 AM
    • Replies: 6
    • Views: 293,784
    05-24-2006, 02:02 AM Go to last post
  4. Carrier Model and S/N Breakdown

    Started by munanee, 04-09-2007 04:16 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 279,932
    01-24-2011, 01:59 PM Go to last post
  5. Do power attic fans help?

    Started by printmanjackson, 03-29-2008 09:32 AM
    40 Pages
    1 2 3 4 5 6 ... 40
    • Replies: 512
    • Views: 237,900
    10-12-2011, 03:48 PM Go to last post
  6. How many watts does my heat pump use?

    Started by adama, 02-15-2008 02:08 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 143,644
    12-29-2009, 01:52 PM Go to last post
  7. Question Return and supply temperature difference

    Started by cd42, 07-25-2007 07:59 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 138,150
    07-28-2007, 10:38 PM Go to last post
  8. soft solder vs brazing AC line sets

    Started by mnhunter, 01-03-2006 12:40 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 125,439
    09-26-2010, 12:27 AM Go to last post
  9. AC run time to Cool 2 Degrees

    Started by jlbartley, 08-05-2011 05:08 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 123,634
    08-09-2011, 08:09 AM Go to last post
  10. How do I calculate return duct size?

    Started by Maikerum, 06-25-2010 09:49 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 119,864
    11-11-2010, 09:36 AM Go to last post
  11. Honeywell Thermostat Cycle Time

    Started by noisyattic, 02-03-2005 11:16 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 119,107
    07-28-2005, 09:25 PM Go to last post
  12. Trane vs. Carrier vs. Bryant

    Started by dhh, 06-30-2006 06:30 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 116,058
    03-05-2009, 12:58 AM Go to last post
  13. BTUs rule of thumb

    Started by rhunter15, 01-13-2008 08:25 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 112,394
    01-15-2008, 10:57 PM Go to last post
  14. Water mist help cooling my AC condenser unit

    Started by RickCyin, 09-05-2010 05:44 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 79
    • Views: 105,751
    05-07-2013, 12:51 AM Go to last post
  15. How many tons for a 1500 sq ft home

    Started by Jamber2008, 03-26-2010 03:29 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 101,373
    03-26-2010, 08:05 PM Go to last post
  16. AC won't cool below 79 degrees!

    Started by erkme73, 06-22-2004 10:33 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 77
    • Views: 96,490
    03-17-2008, 11:51 AM Go to last post
  17. Question Heat pump blows cold air in heat mode?

    Started by junkman2, 01-30-2010 04:56 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 95,750
    02-22-2010, 11:41 AM Go to last post
  18. LRA CONVERSION TO TONNAGE

    Started by cheps, 03-03-2006 05:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 92,106
    08-26-2010, 06:45 AM Go to last post
  19. will my generator run my central ac ?

    Started by cvcman, 04-05-2010 12:45 PM
    4 Pages
    1 2 3 4
    • Replies: 43
    • Views: 87,420
    09-01-2012, 09:59 AM Go to last post
  20. What is static pressure?

    Started by Pegsmi98, 02-14-2008 12:53 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 87,119
    09-05-2010, 10:52 PM Go to last post
  21. Circulate Fan Mode - Gimmick or Good?

    Started by TWG1572, 11-22-2011 08:06 AM
    • Replies: 8
    • Views: 87,032
    11-22-2011, 10:12 PM Go to last post
  22. Hard Start Kit

    Started by dkocur, 05-22-2006 12:42 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 85,173
    02-14-2009, 12:41 PM Go to last post
  23. How cold should air be from vent

    Started by SANDMAN_SATX, 08-24-2010 11:04 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 85,027
    08-25-2010, 11:36 PM Go to last post
  24. Which way should ceiling registers point -- into or out of room?

    Started by jbsjbs, 12-20-2007 10:23 AM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 84,776
    05-30-2011, 10:00 AM Go to last post
    • Replies: 11
    • Views: 83,721
    02-01-2008, 11:18 PM Go to last post
  25. Do all A/C condensate lines need a P-trap?

    Started by rgile, 09-27-2010 12:22 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 83,511
    09-27-2010, 05:12 PM Go to last post
  26. Best Gas Furnace Brand

    Started by mike siraj, 09-12-2005 11:04 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 69
    • Views: 83,211
    10-07-2011, 10:07 AM Go to last post
  27. Goodman vs. Trane

    Started by bobb820, 03-03-2006 04:59 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 161
    • Views: 81,141
    01-28-2009, 09:30 AM Go to last post
  28. Unit running but no air blowing

    Started by kbkids, 08-16-2006 01:31 PM
    • Replies: 7
    • Views: 80,928
    08-17-2006, 07:15 PM Go to last post
  29. concrete pad vs plastic thing?

    Started by amuller, 04-21-2012 04:35 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 80,411
    04-25-2012, 11:28 AM Go to last post
  30. What is an ECM motor?

    Started by Maikerum, 07-01-2010 03:00 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 79,499
    03-21-2011, 03:20 PM Go to last post
  31. 1 Ton Per 400 Square Feet?

    Started by keriwest, 05-18-2005 06:22 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 78,541
    05-24-2005, 11:28 PM Go to last post
  32. Calculate CFM for 4 Ton Unit

    Started by MagnumVP, 06-10-2011 05:16 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 78,097
    06-15-2011, 10:19 AM Go to last post
  33. Fujitsu vs. Mitsubishi ductless air conditioning

    Started by coolwater, 05-24-2009 04:04 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 77,911
    05-30-2009, 11:03 PM Go to last post
  34. Fujitsu Halcyon Mini-Split Error Code Help

    Started by mcork, 10-27-2013 07:03 PM
    • Replies: 7
    • Views: 77,770
    11-12-2013, 10:24 PM Go to last post
  35. Question Auxiliary Heat on 80-90% of the time!?!?

    Started by kmcconnell, 01-07-2008 03:58 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 77,699
    01-12-2008, 05:47 PM Go to last post
  36. Attic Fans--Recommended Tempature?

    Started by epics, 04-20-2006 03:33 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 76,849
    04-26-2006, 01:22 PM Go to last post
  37. Which furnaces and A/C are made in the USA

    Started by Paul12644, 01-19-2010 06:44 PM
    8 Pages
    1 2 3 4 5 6 ... 8
    • Replies: 95
    • Views: 76,717
    09-22-2010, 04:12 PM Go to last post
  38. Hmm A/C Doesn't shut off when reaches temp.

    Started by humpback, 07-06-2006 09:07 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 75,328
    07-07-2006, 10:23 PM Go to last post
  39. Home Depot AC/Furnance Install Oversized

    Started by bluelogic, 07-20-2010 01:48 AM
    53 Pages
    1 2 3 4 5 6 ... 53
    • Replies: 680
    • Views: 75,215
    07-03-2011, 11:13 PM Go to last post
  40. Lennox SLP98v Variable-Capacity Furnace

    Started by stewart20, 09-02-2010 07:47 PM
    7 Pages
    1 2 3 4 5 6 ... 7
    • Replies: 82
    • Views: 74,940
    12-26-2010, 01:38 PM Go to last post
  41. strange exhaust fume like odor in home

    Started by redeye1, 08-23-2008 03:01 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 74,094
    06-19-2011, 04:16 PM Go to last post
  42. how often should A/C cycle on and off?

    Started by tinyhome, 03-21-2006 10:32 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 73,984
    03-23-2006, 09:54 AM Go to last post
  43. vents in ceiling or floor better?

    Started by Kevenater, 11-19-2007 01:22 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 73,977
    11-23-2007, 07:07 AM Go to last post
  44. Furnace burning smell

    Started by Kwak, 03-04-2011 04:31 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 73,823
    03-07-2011, 09:33 AM Go to last post
  45. CFM per ton question

    Started by ron32, 11-15-2006 12:47 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 73,783
    11-21-2006, 02:40 AM Go to last post
  46. cold air return vents in the basement (have some input to share)

    Started by samantha77, 01-07-2011 12:39 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 73,135
    05-06-2011, 11:51 PM Go to last post
  47. Bryant VS Carrier...Cost Comparison Question

    Started by tecboy, 05-23-2005 01:15 PM
    • Replies: 10
    • Views: 72,581
    05-23-2005, 10:26 PM Go to last post
  48. Daikin vs Trane

    Started by aag1974, 07-02-2014 09:17 PM
    • Replies: 7
    • Views: 72,027
    07-06-2014, 11:52 AM Go to last post
  49. efficiency comparisons 14 vs 16 SEER

    Started by duckhunter, 03-19-2006 03:19 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 71,991
    09-11-2010, 02:57 PM Go to last post
  50. Fujitsu vs Mitsubishi and other mini-splits

    Started by plarian, 05-08-2009 10:30 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 71,656
    05-28-2010, 07:50 PM Go to last post

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