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

    • Replies: 0
    • Views: 65,468
    10-31-2011, 07:32 PM Go to last post
  2. Angry Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 11-15-2008 11:40 PM
    • Replies: 0
    • Views: 65,554
    11-15-2008, 11:40 PM Go to last post
  1. Normal Thread Normal Threads

  2. Cold downstairs home office - mini-split or zoning?

    Started by wwu123, 02-23-2012 03:31 PM
    • Replies: 3
    • Views: 890
    02-24-2012, 12:22 PM Go to last post
  3. What size is this?

    Started by docdrs, 02-24-2012 10:49 AM
    • Replies: 2
    • Views: 1,406
    02-24-2012, 11:05 AM Go to last post
  4. Explain this please

    Started by Old Man Kenneth, 02-21-2012 02:22 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,013
    02-24-2012, 09:43 AM Go to last post
  5. Recommend a non-clicking thermostat

    Started by jbrotheim, 02-23-2012 12:15 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,831
    02-24-2012, 08:46 AM Go to last post
  6. Furnace with Arthitis

    Started by sneuberg, 02-22-2012 11:13 AM
    • Replies: 4
    • Views: 908
    02-24-2012, 12:20 AM Go to last post
  7. LG 18000 BTU Multi Split Heat Pump.

    Started by da_dude_2012, 02-19-2012 11:18 AM
    • Replies: 3
    • Views: 2,097
    02-23-2012, 08:38 PM Go to last post
  8. Problem with airflow on Infinity System

    Started by goddi, 02-23-2012 12:47 PM
    • Replies: 5
    • Views: 805
    02-23-2012, 06:25 PM Go to last post
  9. Lennox furnace blower rattling noise

    Started by maxamillion125, 02-01-2012 01:14 AM
    2 Pages
    1 2
    blower, fan, lennox
    • Replies: 22
    • Views: 18,516
    02-23-2012, 02:34 PM Go to last post
  10. Filter pressure drop question

    Started by sastexan, 02-19-2012 04:47 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 4,568
    02-23-2012, 10:41 AM Go to last post
  11. Electric bill too high due to installer error

    Started by df0rster, 02-22-2012 03:43 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,897
    02-23-2012, 09:42 AM Go to last post
  12. EXTERNAL CONDENSATION PUMP QUESTION

    Started by Bocatrip, 02-23-2012 12:08 AM
    • Replies: 2
    • Views: 781
    02-23-2012, 08:09 AM Go to last post
  13. Is there a way to check for Low Refrigerant?

    Started by cold55, 02-18-2012 01:50 PM
    4 Pages
    1 2 3 4
    • Replies: 43
    • Views: 6,222
    02-23-2012, 06:35 AM Go to last post
  14. 5-2-1 Solution, or snake oil?

    Started by pstu, 04-28-2007 06:14 PM
    • Replies: 9
    • Views: 22,937
    02-23-2012, 06:13 AM Go to last post
  15. Munchkin Contender Drain

    Started by john2109, 02-21-2012 06:12 PM
    condensate, drain, munchkin
    • Replies: 5
    • Views: 3,544
    02-23-2012, 12:08 AM Go to last post
  16. Purchased Haier R410A Heat Pump

    Started by asterof, 02-20-2012 08:37 PM
    • Replies: 12
    • Views: 2,659
    02-22-2012, 11:59 PM Go to last post
  17. Need opinions on electronic zoning systems

    Started by JoCoHome, 02-21-2012 03:33 PM
    • Replies: 6
    • Views: 1,242
    02-22-2012, 11:33 PM Go to last post
  18. Weil McLain CG-4 boiler roll out switch blowing

    Started by caryalon, 02-22-2012 07:45 PM
    • Replies: 5
    • Views: 4,090
    02-22-2012, 11:20 PM Go to last post
  19. Confused Mr. Slim placement question

    Started by golden beagle, 02-18-2012 01:00 AM
    • Replies: 5
    • Views: 1,189
    02-22-2012, 11:19 PM Go to last post
  20. Buying a home with a 40 year old hvac system

    Started by bruin27, 02-22-2012 02:31 AM
    • Replies: 10
    • Views: 2,091
    02-22-2012, 11:09 PM Go to last post
  21. Very intermittent problem with 24vac

    Started by tank44, 02-19-2012 03:47 PM
    • Replies: 11
    • Views: 2,165
    02-22-2012, 10:37 PM Go to last post
  22. Intake and Exhaust Piping Oversized?

    Started by jjg, 02-19-2012 12:30 AM
    • Replies: 12
    • Views: 2,001
    02-22-2012, 09:11 PM Go to last post
  23. Return dampers necessary?

    Started by mike_home, 04-08-2009 06:33 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,222
    02-22-2012, 09:03 PM Go to last post
  24. Need Help

    Started by Esh42, 02-21-2012 10:09 PM
    • Replies: 6
    • Views: 1,057
    02-22-2012, 08:00 PM Go to last post
  25. Question boiler cycling- feeding indirect. Downsize?

    Started by GLN2, 02-22-2012 03:50 PM
    • Replies: 0
    • Views: 542
    02-22-2012, 03:50 PM Go to last post
  26. Confused The Lennox HCWP3-18 Humidifier - noisy?

    Started by EVV Richard, 02-17-2012 06:29 PM
    • Replies: 2
    • Views: 2,715
    02-22-2012, 03:44 PM Go to last post
  27. Williamson Oil Furnace

    Started by philipj, 02-18-2012 06:32 PM
    oil furnace, temp-o-matic, williamson
    • Replies: 6
    • Views: 3,879
    02-22-2012, 01:22 PM Go to last post
  28. (LRA) lock rotor amps

    Started by Jawz, 02-21-2012 08:20 PM
    • Replies: 3
    • Views: 2,771
    02-22-2012, 09:48 AM Go to last post
  29. AC Unit Tonnage

    Started by panda155, 02-18-2012 05:55 PM
    • Replies: 10
    • Views: 2,123
    02-21-2012, 11:18 PM Go to last post
    • Replies: 2
    • Views: 1,955
    02-21-2012, 10:53 PM Go to last post
  30. L.P. flow meter?

    Started by gpjazz1023, 02-21-2007 09:23 PM
    • Replies: 4
    • Views: 5,764
    02-21-2012, 10:25 PM Go to last post
  31. Question on issues with Trane leak

    Started by floridahawk, 02-21-2012 06:16 PM
    • Replies: 6
    • Views: 906
    02-21-2012, 09:38 PM Go to last post
    • Replies: 1
    • Views: 1,515
    02-21-2012, 09:12 PM Go to last post
  32. Very loud noise from outdoor unit

    Started by bpetersen, 02-13-2012 01:41 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 8,807
    02-21-2012, 05:28 PM Go to last post
  33. HVAC from a clean slate

    Started by manbitesfilm, 02-21-2012 12:55 AM
    lennox xp15 heat pump, trane, variable speed blower, york affinity
    • Replies: 3
    • Views: 1,814
    02-21-2012, 04:09 PM Go to last post
  34. 80% or 90%+

    Started by j4john10, 02-20-2012 04:58 AM
    efficiency, size
    • Replies: 11
    • Views: 2,340
    02-21-2012, 04:02 PM Go to last post
  35. oil fired heater short cycling

    Started by somethinfishy, 02-20-2012 10:24 PM
    • Replies: 4
    • Views: 2,009
    02-21-2012, 08:40 AM Go to last post
    • Replies: 4
    • Views: 1,511
    02-21-2012, 08:09 AM Go to last post
  36. 1/2" or 3/4" branch lines?

    Started by housecarer, 02-20-2012 11:41 PM
    • Replies: 0
    • Views: 572
    02-20-2012, 11:41 PM Go to last post
  37. Heat Unit for an Armstrong Air BCS2 Air Handler

    Started by Gabby1, 02-19-2012 05:00 PM
    • Replies: 2
    • Views: 1,057
    02-20-2012, 10:13 PM Go to last post
  38. Zone Return, Where?

    Started by jjg, 02-18-2012 03:11 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,048
    02-20-2012, 09:05 PM Go to last post
  39. Thermal Insulation .

    Started by abhilash, 02-19-2012 10:48 AM
    • Replies: 4
    • Views: 1,061
    02-20-2012, 09:00 PM Go to last post
  40. Traditional Duct Air Speed

    Started by ilameer628, 02-20-2012 02:32 PM
    • Replies: 2
    • Views: 1,292
    02-20-2012, 08:46 PM Go to last post
  41. A question on hot-air bypass valve

    Started by pengzhao, 02-17-2012 07:34 PM
    • Replies: 6
    • Views: 1,507
    02-20-2012, 08:39 PM Go to last post
    • Replies: 10
    • Views: 3,180
    02-20-2012, 08:36 PM Go to last post
  42. tonnage and recommended furnace model

    Started by fredneedsHVAC, 02-20-2012 06:48 PM
    • Replies: 6
    • Views: 953
    02-20-2012, 07:53 PM Go to last post
  43. Bad smell in our vents and in the heater closet

    Started by OSUCarrieA, 02-20-2012 06:56 PM
    • Replies: 1
    • Views: 1,076
    02-20-2012, 07:08 PM Go to last post
  44. Ice on accumulator - normal?

    Started by cinergi, 02-20-2012 02:34 PM
    • Replies: 4
    • Views: 3,704
    02-20-2012, 07:04 PM Go to last post
  45. Rheem package Heat Pump blowing 3amp fuse

    Started by working dad, 02-20-2012 06:00 PM
    • Replies: 3
    • Views: 2,736
    02-20-2012, 06:55 PM Go to last post
    • Replies: 8
    • Views: 4,583
    02-20-2012, 04:25 PM Go to last post
  46. Question Furnace Heat Fan On/Off in 2-3 secs

    Started by maranajack, 02-20-2012 02:17 PM
    • Replies: 1
    • Views: 564
    02-20-2012, 04:12 PM Go to last post

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