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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: 64,548
    11-15-2008, 11:40 PM Go to last post
    • Replies: 0
    • Views: 64,440
    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: 1,489,014
    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: 260,851
    05-24-2006, 02:02 AM Go to last post
  4. 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: 226,682
    10-12-2011, 03:48 PM Go to last post
  5. Carrier Model and S/N Breakdown

    Started by munanee, 04-09-2007 04:16 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 225,633
    01-24-2011, 01:59 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: 115,462
    12-29-2009, 01:52 PM Go to last post
  7. Trane vs. Carrier vs. Bryant

    Started by dhh, 06-30-2006 06:30 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 107,331
    03-05-2009, 12:58 AM 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: 104,052
    09-26-2010, 12:27 AM Go to last post
  9. BTUs rule of thumb

    Started by rhunter15, 01-13-2008 08:25 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 101,917
    01-15-2008, 10:57 PM Go to last post
  10. Question Return and supply temperature difference

    Started by cd42, 07-25-2007 07:59 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 98,620
    07-28-2007, 10:38 PM 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: 98,289
    07-28-2005, 09:25 PM Go to last post
  12. How do I calculate return duct size?

    Started by Maikerum, 06-25-2010 09:49 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 95,803
    11-11-2010, 09:36 AM Go to last post
  13. 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: 91,149
    02-22-2010, 11:41 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: 88,425
    03-26-2010, 08:05 PM Go to last post
  15. 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: 87,493
    03-17-2008, 11:51 AM Go to last post
  16. What is static pressure?

    Started by Pegsmi98, 02-14-2008 12:53 PM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 84,151
    09-05-2010, 10:52 PM Go to last post
  17. 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: 79,371
    10-07-2011, 10:07 AM Go to last post
  18. 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: 77,321
    08-09-2011, 08:09 AM Go to last post
  19. Goodman vs. Trane

    Started by bobb820, 03-03-2006 04:59 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 161
    • Views: 76,106
    01-28-2009, 09:30 AM Go to last post
  20. What is an ECM motor?

    Started by Maikerum, 07-01-2010 03:00 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 74,757
    03-21-2011, 03:20 PM Go to last post
  21. Fujitsu vs. Mitsubishi ductless air conditioning

    Started by coolwater, 05-24-2009 04:04 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 74,423
    05-30-2009, 11:03 PM Go to last post
  22. 1 Ton Per 400 Square Feet?

    Started by keriwest, 05-18-2005 06:22 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 71,900
    05-24-2005, 11:28 PM Go to last post
  23. 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: 71,066
    07-03-2011, 11:13 PM Go to last post
  24. 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: 70,903
    12-26-2010, 01:38 PM Go to last post
  25. Hard Start Kit

    Started by dkocur, 05-22-2006 12:42 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 70,386
    02-14-2009, 12:41 PM Go to last post
  26. efficiency comparisons 14 vs 16 SEER

    Started by duckhunter, 03-19-2006 03:19 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 67,701
    09-11-2010, 02:57 PM Go to last post
  27. Furnace burning smell

    Started by Kwak, 03-04-2011 04:31 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 67,701
    03-07-2011, 09:33 AM Go to last post
    • Replies: 11
    • Views: 67,398
    02-01-2008, 11:18 PM Go to last post
  28. 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: 67,371
    01-12-2008, 05:47 PM Go to last post
  29. 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: 67,285
    05-07-2013, 12:51 AM Go to last post
  30. 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: 66,893
    05-28-2010, 07:50 PM Go to last post
  31. How cold should air be from vent

    Started by SANDMAN_SATX, 08-24-2010 11:04 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 65,063
    08-25-2010, 11:36 PM Go to last post
  32. 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: 64,234
    11-08-2011, 08:29 PM Go to last post
  33. 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: 63,893
    09-22-2010, 04:12 PM Go to last post
  34. 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: 63,168
    05-06-2011, 11:51 PM Go to last post
  35. LRA CONVERSION TO TONNAGE

    Started by cheps, 03-03-2006 05:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 62,951
    08-26-2010, 06:45 AM Go to last post
  36. Question r22 vs. r410a

    Started by mecabman, 05-26-2006 10:26 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 62,612
    06-06-2010, 12:04 AM Go to last post
  37. Attic Fans--Recommended Tempature?

    Started by epics, 04-20-2006 03:33 PM
    4 Pages
    1 2 3 4
    • Replies: 42
    • Views: 62,125
    04-26-2006, 01:22 PM 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: 62,118
    09-27-2010, 05:12 PM Go to last post
  39. Bryant VS Carrier...Cost Comparison Question

    Started by tecboy, 05-23-2005 01:15 PM
    • Replies: 10
    • Views: 61,699
    05-23-2005, 10:26 PM Go to last post
  40. Frown QUIETSIDE BOILERS

    Started by lois from nh, 04-20-2006 09:02 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 60,943
    02-17-2012, 09:25 AM Go to last post
  41. Trane vs Lennox

    Started by joe80x86, 03-30-2011 04:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 60,855
    04-04-2011, 10:14 PM Go to last post
  42. 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: 60,546
    10-31-2012, 05:27 AM Go to last post
  43. Unit running but no air blowing

    Started by kbkids, 08-16-2006 01:31 PM
    • Replies: 7
    • Views: 60,009
    08-17-2006, 07:15 PM Go to last post
  44. 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: 59,630
    03-23-2006, 09:54 AM Go to last post
  45. Furnace blower overly noisy?

    Started by gshort71, 10-17-2008 02:04 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 59,593
    01-23-2009, 10:38 AM Go to last post
  46. strange exhaust fume like odor in home

    Started by redeye1, 08-23-2008 03:01 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 59,063
    06-19-2011, 04:16 PM Go to last post
  47. vents in ceiling or floor better?

    Started by Kevenater, 11-19-2007 01:22 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 58,825
    11-23-2007, 07:07 AM Go to last post
  48. Circulate Fan Mode - Gimmick or Good?

    Started by TWG1572, 11-22-2011 08:06 AM
    • Replies: 8
    • Views: 58,350
    11-22-2011, 10:12 PM Go to last post
  49. Tankless H20 Heaters: Navien vs. Rinnai vs others?

    Started by Ben44, 10-11-2012 04:25 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 57,820
    10-26-2012, 09:18 AM Go to last post
  50. Did I buy the wrong furnace?

    Started by jeffw_00, 02-01-2006 04:51 PM
    53 Pages
    1 2 3 4 5 6 ... 53
    • Replies: 685
    • Views: 56,484
    07-22-2007, 09:48 PM Go to last post

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