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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: 67,126
    11-15-2008, 11:40 PM Go to last post
    • Replies: 0
    • Views: 66,469
    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: 1,796,746
    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: 7
    • Views: 287,610
    08-24-2017, 12:35 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: 255,281
    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: 242,557
    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: 129,843
    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: 121,917
    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: 114,076
    09-26-2010, 12:27 AM Go to last post
  9. Honeywell Thermostat Cycle Time

    Started by noisyattic, 02-03-2005 11:16 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 113,556
    07-28-2005, 09:25 PM 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: 113,072
    11-11-2010, 09:36 AM Go to last post
  11. BTUs rule of thumb

    Started by rhunter15, 01-13-2008 08:25 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 112,827
    01-15-2008, 10:57 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: 112,794
    03-05-2009, 12:58 AM Go to last post
  13. 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: 112,497
    09-01-2012, 09:59 AM Go to last post
  14. 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: 101,661
    03-26-2010, 08:05 PM Go to last post
  15. 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: 101,142
    08-09-2011, 08:09 AM 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: 99,089
    03-17-2008, 11:51 AM Go to last post
  17. 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: 98,640
    05-07-2013, 12:51 AM Go to last post
  18. 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: 97,048
    02-22-2010, 11:41 AM Go to last post
  19. What is static pressure?

    Started by Pegsmi98, 02-14-2008 12:53 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 87,974
    09-05-2010, 10:52 PM Go to last post
  20. How cold should air be from vent

    Started by SANDMAN_SATX, 08-24-2010 11:04 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 84,563
    08-25-2010, 11:36 PM Go to last post
  21. 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: 83,819
    01-12-2008, 05:47 PM Go to last post
  22. 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: 82,357
    10-07-2011, 10:07 AM Go to last post
  23. What is an ECM motor?

    Started by Maikerum, 07-01-2010 03:00 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 80,702
    03-21-2011, 03:20 PM Go to last post
  24. Hard Start Kit

    Started by dkocur, 05-22-2006 12:42 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 79,777
    02-14-2009, 12:41 PM Go to last post
  25. 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: 79,740
    07-03-2011, 11:13 PM Go to last post
  26. Goodman vs. Trane

    Started by bobb820, 03-03-2006 04:59 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 161
    • Views: 79,324
    01-28-2009, 09:30 AM Go to last post
  27. Fujitsu vs. Mitsubishi ductless air conditioning

    Started by coolwater, 05-24-2009 04:04 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 78,984
    05-30-2009, 11:03 PM Go to last post
    • Replies: 11
    • Views: 77,284
    02-01-2008, 11:18 PM Go to last post
  28. Unit running but no air blowing

    Started by kbkids, 08-16-2006 01:31 PM
    • Replies: 7
    • Views: 76,238
    08-17-2006, 07:15 PM Go to last post
  29. 1 Ton Per 400 Square Feet?

    Started by keriwest, 05-18-2005 06:22 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 75,805
    05-24-2005, 11:28 PM Go to last post
  30. LRA CONVERSION TO TONNAGE

    Started by cheps, 03-03-2006 05:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 75,441
    08-26-2010, 06:45 AM Go to last post
  31. 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: 75,314
    12-26-2010, 01:38 PM Go to last post
  32. Furnace burning smell

    Started by Kwak, 03-04-2011 04:31 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 75,135
    03-07-2011, 09:33 AM Go to last post
  33. efficiency comparisons 14 vs 16 SEER

    Started by duckhunter, 03-19-2006 03:19 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 74,257
    09-11-2010, 02:57 PM Go to last post
  34. 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: 73,458
    09-22-2010, 04:12 PM Go to last post
  35. Fully Modulating Furnace, Regular or Communicating thermostat?

    Started by Psychro, 11-15-2009 01:23 AM
    29 Pages
    1 2 3 4 5 6 ... 29
    • Replies: 369
    • Views: 73,137
    11-08-2011, 08:29 PM Go to last post
  36. 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: 72,315
    05-28-2010, 07:50 PM Go to last post
  37. 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: 72,246
    03-23-2006, 09:54 AM Go to last post
  38. 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: 72,188
    09-27-2010, 05:12 PM Go to last post
  39. vents in ceiling or floor better?

    Started by Kevenater, 11-19-2007 01:22 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 70,221
    11-23-2007, 07:07 AM Go to last post
  40. Attic Fans--Recommended Tempature?

    Started by epics, 04-20-2006 03:33 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 69,901
    04-26-2006, 01:22 PM Go to last post
  41. Circulate Fan Mode - Gimmick or Good?

    Started by TWG1572, 11-22-2011 08:06 AM
    • Replies: 8
    • Views: 69,121
    11-22-2011, 10:12 PM Go to last post
  42. Furnace won't run past 63-65 degrees

    Started by pburke, 03-18-2005 12:38 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 68,415
    03-19-2005, 11:09 AM Go to last post
  43. 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: 68,358
    05-06-2011, 11:51 PM Go to last post
  44. strange exhaust fume like odor in home

    Started by redeye1, 08-23-2008 03:01 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 68,336
    06-19-2011, 04:16 PM Go to last post
  45. 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: 67,604
    05-30-2011, 10:00 AM Go to last post
  46. Bryant VS Carrier...Cost Comparison Question

    Started by tecboy, 05-23-2005 01:15 PM
    • Replies: 10
    • Views: 67,598
    05-23-2005, 10:26 PM Go to last post
  47. Daikin vs Trane

    Started by aag1974, 07-02-2014 09:17 PM
    • Replies: 7
    • Views: 66,429
    07-06-2014, 11:52 AM Go to last post
  48. concrete pad vs plastic thing?

    Started by amuller, 04-21-2012 04:35 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 66,327
    04-25-2012, 11:28 AM Go to last post
  49. Furnace blower overly noisy?

    Started by gshort71, 10-17-2008 02:04 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 66,193
    01-23-2009, 10:38 AM Go to last post
  50. Do York pressure switches have a design flaw?

    Started by PDXhomeowner, 12-12-2009 03:35 PM
    5 Pages
    1 2 3 4 5
    furnace, pressure switch, york
    • Replies: 60
    • Views: 65,611
    10-31-2012, 05:27 AM Go to last post

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