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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: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:32 PM
    • Replies: 0
    • Views: 48,462
    10-31-2011, 07:32 PM Go to last post
  2. Angry Sticky Thread Sticky: >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 11-15-2008 10:40 PM
    • Replies: 0
    • Views: 48,121
    11-15-2008, 10:40 PM Go to last post
  1. Shutdown noise

    Started by Trane mystery, 05-22-2012 08:34 PM
    • Replies: 11
    • Views: 191,905
    05-30-2012, 10:42 PM Go to last post
  2. 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: 175,415
    10-12-2011, 03:48 PM Go to last post
  3. CFM's per duct size

    Started by whtmntmgmt, 05-22-2006 11:53 AM
    • Replies: 6
    • Views: 152,904
    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: 82,887
    01-24-2011, 12:59 PM Go to last post
  5. Trane vs. Carrier vs. Bryant

    Started by dhh, 06-30-2006 06:30 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 76,296
    03-04-2009, 11:58 PM Go to last post
  6. 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: 66,525
    10-07-2011, 10:07 AM Go to last post
  7. What is static pressure?

    Started by Pegsmi98, 02-14-2008 11:53 AM
    4 Pages
    1 2 3 4
    • Replies: 41
    • Views: 65,533
    09-05-2010, 10:52 PM Go to last post
  8. Goodman vs. Trane

    Started by bobb820, 03-03-2006 03:59 PM
    13 Pages
    1 2 3 4 5 6 ... 13
    • Replies: 161
    • Views: 60,741
    01-28-2009, 08:30 AM Go to last post
  9. soft solder vs brazing AC line sets

    Started by mnhunter, 01-02-2006 11:40 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 65
    • Views: 57,145
    09-26-2010, 12:27 AM Go to last post
  10. Question Heat pump blows cold air in heat mode?

    Started by junkman2, 01-30-2010 03:56 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 56,847
    02-22-2010, 10:41 AM Go to last post
  11. How many watts does my heat pump use?

    Started by adama, 02-15-2008 01:08 PM
    4 Pages
    1 2 3 4
    • Replies: 44
    • Views: 54,855
    12-29-2009, 12:52 PM Go to last post
  12. 1 Ton Per 400 Square Feet?

    Started by keriwest, 05-18-2005 06:22 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 52,085
    05-24-2005, 11:28 PM Go to last post
  13. Question r22 vs. r410a

    Started by mecabman, 05-26-2006 10:26 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 49,640
    06-06-2010, 12:04 AM Go to last post
  14. Honeywell Thermostat Cycle Time

    Started by noisyattic, 02-03-2005 10:16 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 48,535
    07-28-2005, 09:25 PM Go to last post
  15. 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: 48,189
    12-26-2010, 12:38 PM Go to last post
  16. 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: 47,259
    07-03-2011, 11:13 PM Go to last post
  17. Did I buy the wrong furnace?

    Started by jeffw_00, 02-01-2006 03:51 PM
    53 Pages
    1 2 3 4 5 6 ... 53
    • Replies: 685
    • Views: 47,160
    07-22-2007, 09:48 PM Go to last post
  18. 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: 46,202
    03-17-2008, 11:51 AM Go to last post
  19. Carrier vs. Amana vs. Bryant

    Started by myez_ac, 04-15-2006 11:37 PM
    • Replies: 10
    • Views: 44,156
    04-16-2006, 02:25 PM Go to last post
  20. CFM Formula

    Started by pzipp, 05-17-2005 05:01 PM
    • Replies: 8
    • Views: 44,099
    07-17-2010, 10:18 AM 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: 42,884
    05-30-2009, 11:03 PM Go to last post
  22. Poll Poll: New Construction: Oil vs Propane-Pros vs Cons of each

    Started by mrgto, 05-03-2007 07:25 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 42,134
    09-25-2010, 05:17 PM Go to last post
  23. Noritz vs. Rinnai vs. Bosch vs. ?

    Started by wyounger, 05-23-2006 06:41 PM
    5 Pages
    1 2 3 4 5
    • Replies: 54
    • Views: 40,870
    07-14-2010, 06:17 PM Go to last post
  24. 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: 40,801
    05-28-2010, 07:50 PM Go to last post
  25. What is a two stage thermostat?

    Started by bebba1, 06-18-2006 11:44 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 39,930
    06-27-2006, 05:05 PM Go to last post
  26. cold air return vents in the basement (have some input to share)

    Started by samantha77, 01-07-2011 11:39 AM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 39,910
    05-06-2011, 11:51 PM Go to last post
  27. BTUs rule of thumb

    Started by rhunter15, 01-13-2008 07:25 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 39,824
    01-15-2008, 09:57 PM Go to last post
  28. Fully Modulating Furnace, Regular or Communicating thermostat?

    Started by Psychro, 11-15-2009 12:23 AM
    29 Pages
    1 2 3 4 5 6 ... 29
    • Replies: 369
    • Views: 39,585
    11-08-2011, 07:29 PM Go to last post
  29. Hard Start Kit

    Started by dkocur, 05-22-2006 12:42 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 39,198
    02-14-2009, 11:41 AM Go to last post
  30. Frown QUIETSIDE BOILERS

    Started by lois from nh, 04-20-2006 09:02 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 38,953
    02-17-2012, 08:25 AM Go to last post
  31. Thermostat wiring question

    Started by drthunder, 12-23-2009 06:54 PM
    2 Pages
    1 2
    common, goodman, honeywell, spacepak, thermostat, wiring
    • Replies: 16
    • Views: 38,419
    11-14-2011, 04:42 PM Go to last post
  32. Which heat pump brand is the best?

    Started by ggcampbell, 12-04-2009 05:21 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 37,974
    05-25-2012, 05:27 AM Go to last post
  33. Question Return and supply temperature difference

    Started by cd42, 07-25-2007 07:59 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 37,614
    07-28-2007, 10:38 PM Go to last post
  34. efficiency comparisons 14 vs 16 SEER

    Started by duckhunter, 03-19-2006 02:19 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 37,135
    09-11-2010, 02:57 PM Go to last post
  35. How do I calculate return duct size?

    Started by Maikerum, 06-25-2010 09:49 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 36,783
    11-11-2010, 08:36 AM Go to last post
  36. Confused How Do I determine the tonnage of my A/C unit?

    Started by rob46250, 05-30-2008 07:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 36,592
    07-06-2008, 03:58 PM Go to last post
  37. 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: 36,501
    03-26-2010, 08:05 PM Go to last post
  38. What is an ECM motor?

    Started by Maikerum, 07-01-2010 03:00 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 35,786
    03-21-2011, 03:20 PM Go to last post
  39. Furnace blower overly noisy?

    Started by gshort71, 10-17-2008 02:04 PM
    4 Pages
    1 2 3 4
    • Replies: 40
    • Views: 35,643
    01-23-2009, 09:38 AM Go to last post
  40. Question Auxiliary Heat on 80-90% of the time!?!?

    Started by kmcconnell, 01-07-2008 02:58 PM
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 35,467
    01-12-2008, 04:47 PM Go to last post
  41. Do York pressure switches have a design flaw?

    Started by PDXhomeowner, 12-12-2009 02:35 PM
    5 Pages
    1 2 3 4 5
    furnace, pressure switch, york
    • Replies: 60
    • Views: 35,459
    10-31-2012, 05:27 AM Go to last post
  42. 13 Seer vs 14 Seer

    Started by ivanl3, 02-02-2008 05:26 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 35,173
    02-04-2008, 01:48 PM Go to last post
  43. How many tons is my unit?

    Started by jhh, 08-29-2006 04:39 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 35,071
    09-03-2006, 08:08 PM Go to last post
  44. Question Kenmore v's Carrier v's Lennox

    Started by markincanada, 03-19-2006 02:44 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 34,940
    02-19-2013, 06:07 PM Go to last post
  45. TRANE vs CARRIER; 13 SEER vs 15 SEER

    Started by bturpen, 04-25-2008 01:34 PM
    • Replies: 12
    • Views: 33,915
    04-25-2008, 07:03 PM Go to last post
  46. Amana vs. Goodman

    Started by holabr, 08-31-2004 05:42 PM
    5 Pages
    1 2 3 4 5
    • Replies: 57
    • Views: 33,804
    02-20-2005, 11:41 PM Go to last post
  47. Bryant VS Carrier...Cost Comparison Question

    Started by tecboy, 05-23-2005 01:15 PM
    • Replies: 10
    • Views: 32,904
    05-23-2005, 10:26 PM Go to last post
  48. Goodman and Amana

    Started by yazza, 04-21-2008 05:51 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 73
    • Views: 32,702
    07-06-2012, 08:28 PM Go to last post
  49. 1st stage versus 2nd stage efficiency resolved?

    Started by key1cc, 12-31-2008 07:54 AM
    39 Pages
    1 2 3 4 5 6 ... 39
    • Replies: 499
    • Views: 32,622
    02-28-2011, 07:37 PM Go to last post
  50. Trane vs. American Standard Heat Pumps

    Started by DaytonO, 07-11-2007 07:27 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 32,549
    07-15-2011, 09:11 AM Go to last post

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