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Forum: Heating, Ventilation, Air Conditioning (HVAC): Home Inspection and Commercial Inspection

Heating Equipment, Venting Systems, Combustion and Ventilating Air, Distribution System(s), Duct Insulation, Outlets, Radiators, Piping Systems and Valves, Cooling Equipment, Condensate Drains ... For Home Inspections & Commercial Inspections

  1. Thumbs up Sticky Thread Sticky: I want to give a special "Thank You" to...

    Started by Brian Hannigan, 05-02-2013 01:26 PM
    • Replies: 2
    • Views: 9,874
    04-09-2016, 07:33 PM Go to last post
  2. Sticky Thread Sticky: Furnace Age Information

    Started by Brian Hannigan, 07-24-2013 01:04 PM
    • Replies: 4
    • Views: 17,036
    09-26-2014, 10:17 AM Go to last post
  1. Carrier Air Handler

    Started by mathew stouffer, 02-15-2012 06:57 AM
    • Replies: 1
    • Views: 1,782
    02-15-2012, 07:19 AM Go to last post
  2. deposits on water heater and furnace

    Started by Kristi Silber, 02-05-2012 08:37 PM
    • Replies: 20
    • Views: 8,662
    02-14-2012, 08:53 PM Go to last post
  3. Crawl space plenum

    Started by Matt Nelson, 02-12-2012 07:10 PM
    • Replies: 12
    • Views: 6,676
    02-14-2012, 08:11 PM Go to last post
  4. Who needs combustion air?

    Started by John Arnold, 01-24-2012 01:26 PM
    • Replies: 10
    • Views: 2,166
    02-14-2012, 08:50 AM Go to last post
  5. Fireplace Combustion Air Intake

    Started by Chris Johnson, 10-06-2010 07:00 AM
    • Replies: 18
    • Views: 10,169
    02-13-2012, 05:09 PM Go to last post
  6. Dimmer controls air handler fan??

    Started by John Arnold, 02-09-2012 09:25 AM
    • Replies: 5
    • Views: 1,495
    02-13-2012, 10:44 AM Go to last post
  7. Geothermal System

    Started by JIM MURPHY, 02-09-2012 02:08 PM
    • Replies: 2
    • Views: 1,489
    02-10-2012, 04:41 PM Go to last post
  8. furnace technical help needed

    Started by John Arnold, 02-09-2012 10:18 AM
    • Replies: 8
    • Views: 1,436
    02-10-2012, 01:46 PM Go to last post
  9. Condenser Fan Motor Wiring

    Started by Shane Dredge, 08-05-2011 01:01 PM
    • Replies: 28
    • Views: 10,700
    02-09-2012, 05:25 PM Go to last post
  10. No attic drip pan

    Started by Benjamin Thompson, 02-07-2012 03:38 PM
    • Replies: 11
    • Views: 5,115
    02-07-2012, 08:27 PM Go to last post
  11. Duct Material in 1960's Home

    Started by Leo Leidlein, 12-14-2011 07:20 PM
    • Replies: 10
    • Views: 5,205
    02-05-2012, 10:33 PM Go to last post
    • Replies: 3
    • Views: 1,320
    02-01-2012, 01:25 PM Go to last post
  12. HI and also the Buyer

    Started by Rick Ramirez, 01-27-2012 10:09 AM
    • Replies: 10
    • Views: 1,722
    01-28-2012, 11:30 PM Go to last post
  13. Older Rheem rooftop Package

    Started by Cliff Naylor, 01-24-2012 03:01 PM
    • Replies: 8
    • Views: 4,898
    01-27-2012, 11:26 AM Go to last post
  14. black iron and galvanized pipes

    Started by CHARLIE VAN FLEET, 03-12-2010 06:14 PM
    • Replies: 15
    • Views: 10,733
    01-26-2012, 10:30 PM Go to last post
  15. Heat pump timer?

    Started by Bill Anglin, 01-10-2012 07:46 PM
    • Replies: 9
    • Views: 2,314
    01-26-2012, 02:34 AM Go to last post
  16. Return vs. fireplace

    Started by Marc M, 01-23-2012 09:39 PM
    • Replies: 2
    • Views: 1,080
    01-24-2012, 08:59 AM Go to last post
  17. Bent Fins

    Started by Nick Ostrowski, 01-15-2012 09:39 AM
    • Replies: 8
    • Views: 2,046
    01-17-2012, 08:32 PM Go to last post
  18. Carrier Comfort Zone II

    Started by Marc M, 12-18-2011 08:19 PM
    • Replies: 7
    • Views: 1,788
    01-17-2012, 08:27 AM Go to last post
  19. Screen in jets of furnace

    Started by mathew stouffer, 01-06-2012 03:14 PM
    • Replies: 6
    • Views: 1,322
    01-17-2012, 08:25 AM Go to last post
  20. Unfamiliar flue

    Started by Jacques Mountain, 01-06-2012 06:05 PM
    • Replies: 3
    • Views: 1,115
    01-07-2012, 02:53 PM Go to last post
  21. Heat exchanger

    Started by Marc M, 12-15-2011 06:03 PM
    • Replies: 8
    • Views: 1,793
    01-01-2012, 06:45 PM Go to last post
  22. Age, history of this old boiler?

    Started by Kristi Silber, 12-01-2011 12:52 PM
    • Replies: 20
    • Views: 3,835
    12-28-2011, 08:14 PM Go to last post
    • Replies: 14
    • Views: 2,057
    12-28-2011, 07:01 AM Go to last post
  23. Concentric vent termination

    Started by Chuck Miller, 12-24-2011 09:21 PM
    • Replies: 5
    • Views: 1,686
    12-27-2011, 06:25 AM Go to last post
  24. What causes this? See photo.

    Started by Gene South, 11-09-2010 01:40 PM
    • Replies: 51
    • Views: 10,206
    12-26-2011, 05:10 PM Go to last post
  25. PVC or CPVC vent pipe on tankless heater?

    Started by Daniel Leung, 12-25-2011 08:51 AM
    • Replies: 1
    • Views: 2,007
    12-26-2011, 08:26 AM Go to last post
  26. Age on a Gaffers & Sattler Furnace

    Started by Patrick O'Connor, 12-21-2011 11:18 PM
    • Replies: 2
    • Views: 4,999
    12-22-2011, 05:51 PM Go to last post
  27. 100 amp Circuit breaker to 30 amp packaged unit

    Started by JIM MURPHY, 12-18-2011 08:17 AM
    • Replies: 4
    • Views: 2,436
    12-19-2011, 06:30 AM Go to last post
  28. pvc venting

    Started by Eric Smith, 12-14-2011 12:23 PM
    • Replies: 1
    • Views: 1,420
    12-15-2011, 01:34 PM Go to last post
  29. Heat shield

    Started by mathew stouffer, 12-08-2011 07:15 AM
    • Replies: 11
    • Views: 2,350
    12-12-2011, 05:00 PM Go to last post
    • Replies: 8
    • Views: 4,666
    12-08-2011, 07:02 PM Go to last post
  30. Furnace in the garage

    Started by mathew stouffer, 12-01-2011 06:18 AM
    • Replies: 16
    • Views: 2,383
    12-06-2011, 07:45 AM Go to last post
  31. Clearance for underground propane tank

    Started by Josh Johns, 12-01-2011 12:40 PM
    • Replies: 4
    • Views: 3,561
    12-02-2011, 12:46 PM Go to last post
    • Replies: 6
    • Views: 2,199
    11-30-2011, 09:42 PM Go to last post
  32. Furnace venting

    Started by sidney alstad, 11-22-2011 01:11 PM
    • Replies: 7
    • Views: 1,822
    11-30-2011, 11:20 AM Go to last post
  33. Question Need help decoding lennox htr age

    Started by Mike Richards, 11-29-2011 10:39 PM
    • Replies: 1
    • Views: 2,269
    11-30-2011, 10:25 AM Go to last post
    • Replies: 0
    • Views: 1,041
    11-29-2011, 02:46 PM Go to last post
  34. Flex vent at furnace

    Started by Bill Anglin, 11-10-2011 11:05 AM
    • Replies: 10
    • Views: 2,290
    11-28-2011, 06:19 AM Go to last post
  35. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 07:06 AM
    • Replies: 2
    • Views: 1,123
    11-24-2011, 10:14 AM Go to last post
  36. air handler internal condensate device?

    Started by John Arnold, 11-19-2011 01:30 PM
    • Replies: 4
    • Views: 2,089
    11-20-2011, 08:36 PM Go to last post
  37. Condensate trap too big?

    Started by Jon mackay, 06-14-2010 01:48 PM
    • Replies: 22
    • Views: 3,387
    11-20-2011, 02:45 PM Go to last post
  38. thermostat

    Started by Eric Smith, 11-15-2011 07:03 AM
    • Replies: 3
    • Views: 1,052
    11-18-2011, 06:54 AM Go to last post
  39. Age of Carrier brand evaporator

    Started by Gene South, 11-17-2011 05:38 AM
    • Replies: 4
    • Views: 2,152
    11-17-2011, 09:12 AM Go to last post
  40. Shared HWT & Furnace Flue (High Efficiency)

    Started by Rich Sumen, 11-17-2011 05:28 AM
    • Replies: 2
    • Views: 2,026
    11-17-2011, 07:59 AM Go to last post
  41. Age of Goodman AC Condenser Unit

    Started by Nick Ostrowski, 11-16-2011 04:15 AM
    • Replies: 3
    • Views: 12,113
    11-16-2011, 06:04 AM Go to last post
  42. In Floor and DHW

    Started by Jim Robinson, 11-08-2011 02:16 PM
    • Replies: 7
    • Views: 1,508
    11-13-2011, 05:25 AM Go to last post
  43. Thumbs down Vent Tee

    Started by Joe Nernberg, 04-05-2007 08:42 AM
    • Replies: 10
    • Views: 2,949
    11-12-2011, 06:19 PM Go to last post
  44. Unducted toe-kick register

    Started by Michael Thomas, 01-28-2011 04:24 AM
    • Replies: 9
    • Views: 10,294
    11-09-2011, 05:05 PM Go to last post
  45. AC refrigerant lines in plenum

    Started by mathew stouffer, 11-08-2011 06:50 AM
    • Replies: 2
    • Views: 1,106
    11-08-2011, 05:37 PM Go to last post
  46. sealed crawl space and gas appliances

    Started by Randall Clark, 11-03-2011 06:44 PM
    • Replies: 15
    • Views: 5,006
    11-04-2011, 12:49 PM Go to last post
  47. Need a name for this component.

    Started by Marc M, 10-24-2011 11:26 PM
    • Replies: 27
    • Views: 2,889
    11-04-2011, 09:14 AM Go to last post
  48. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 06:59 AM
    • Replies: 3
    • Views: 7,123
    11-04-2011, 07:26 AM Go to last post
  49. Electric furnace temperature rise?

    Started by Randall Clark, 11-02-2011 06:20 PM
    • Replies: 8
    • Views: 8,615
    11-03-2011, 02:23 PM Go to last post
  50. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 09:02 PM
    • Replies: 12
    • Views: 2,419
    11-02-2011, 06:22 AM Go to last post
  51. This can't be correct

    Started by Alan C Grubb, 09-04-2010 05:25 AM
    • Replies: 16
    • Views: 2,714
    10-31-2011, 10:19 PM Go to last post
  52. Venting gas furnace in attic

    Started by Brian Egan, 10-25-2011 01:42 PM
    • Replies: 7
    • Views: 4,591
    10-31-2011, 10:01 PM Go to last post
  53. core obstruction

    Started by John Dirks Jr, 10-25-2011 07:45 PM
    • Replies: 14
    • Views: 2,131
    10-31-2011, 08:13 PM Go to last post
  54. Vent connector length at WH draft hood

    Started by Stanley Chow, 10-27-2011 01:25 PM
    • Replies: 18
    • Views: 4,213
    10-31-2011, 07:05 PM Go to last post
  55. Size matching of evaporator and condenser

    Started by Gene South, 10-28-2011 08:16 AM
    • Replies: 9
    • Views: 14,117
    10-31-2011, 04:41 PM Go to last post
  56. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 09:02 PM
    • Replies: 4
    • Views: 1,313
    10-28-2011, 08:30 PM Go to last post
  57. Question HVAV proximity to furnace venting

    Started by Barry Lewis, 10-22-2011 04:41 AM
    • Replies: 14
    • Views: 3,074
    10-25-2011, 06:29 PM Go to last post
  58. over sized ac breaker

    Started by CHARLIE VAN FLEET, 10-24-2010 01:09 PM
    • Replies: 54
    • Views: 7,507
    10-24-2011, 03:12 AM Go to last post
  59. Radiant floor heat

    Started by Ron Bishop, 10-22-2011 05:58 AM
    • Replies: 1
    • Views: 1,120
    10-22-2011, 08:50 AM Go to last post
  60. Gas Fired Air Conditioner

    Started by Tony Escamilla, 08-11-2008 10:57 PM
    • Replies: 9
    • Views: 7,971
    10-21-2011, 10:54 AM Go to last post
  61. White Powder From Vents Maytag Furnace

    Started by Al Hendry, 12-21-2009 09:42 AM
    • Replies: 41
    • Views: 18,508
    10-20-2011, 04:54 AM Go to last post
  62. AC coil fins

    Started by Wade Johnson, 10-14-2011 03:25 PM
    • Replies: 2
    • Views: 1,480
    10-14-2011, 05:10 PM Go to last post
    • Replies: 2
    • Views: 2,143
    10-14-2011, 08:15 AM Go to last post
  63. Mammoth Heat/ Boiler

    Started by Sam Morris, 10-03-2011 04:39 PM
    • Replies: 8
    • Views: 1,577
    10-07-2011, 05:32 AM Go to last post
  64. undergroud oil storage tank vent?

    Started by Randall Clark, 10-03-2011 06:38 PM
    • Replies: 1
    • Views: 1,121
    10-04-2011, 05:00 AM Go to last post
  65. bathroom heater

    Started by Jason Schmidt, 01-14-2009 11:12 PM
    • Replies: 22
    • Views: 4,878
    09-29-2011, 01:46 PM Go to last post
  66. Compression Copper Gas fittings / pipes

    Started by Rich Sumen, 08-30-2011 08:40 PM
    • Replies: 4
    • Views: 4,924
    09-25-2011, 11:41 PM Go to last post
  67. 3 AC Condensors on One Breaker.

    Started by Keko Moore, 09-17-2011 08:06 AM
    • Replies: 6
    • Views: 3,240
    09-17-2011, 12:32 PM Go to last post
  68. Weil Mcclain boilers

    Started by mathew stouffer, 09-02-2011 06:07 AM
    • Replies: 3
    • Views: 3,271
    09-16-2011, 06:36 PM Go to last post
  69. 'Season' Compressor

    Started by Marc Morin, 09-01-2011 07:17 PM
    • Replies: 3
    • Views: 1,909
    09-16-2011, 06:31 PM Go to last post

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