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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: 9,641
    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: 16,045
    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: 1,764
    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: 8,457
    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: 6,438
    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: 2,118
    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: 10,027
    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: 1,464
    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: 1,467
    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: 1,400
    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: 10,335
    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: 4,998
    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: 5,096
    02-05-2012, 10:33 PM Go to last post
    • Replies: 3
    • Views: 1,295
    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: 1,678
    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: 4,812
    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: 10,586
    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: 2,279
    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: 1,057
    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: 2,007
    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: 1,757
    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: 1,288
    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: 1,097
    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: 1,763
    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: 3,738
    12-28-2011, 08:14 PM Go to last post
    • Replies: 14
    • Views: 2,019
    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: 1,665
    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: 10,034
    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: 1,993
    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: 4,798
    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: 2,378
    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: 1,405
    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: 2,322
    12-12-2011, 05:00 PM Go to last post
    • Replies: 8
    • Views: 4,614
    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: 2,339
    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: 3,515
    12-02-2011, 12:46 PM Go to last post
    • Replies: 6
    • Views: 2,180
    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: 1,797
    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: 2,252
    11-30-2011, 10:25 AM Go to last post
    • Replies: 0
    • Views: 1,030
    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: 2,262
    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: 1,105
    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: 2,063
    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: 3,326
    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: 1,035
    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: 2,096
    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: 1,998
    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: 11,874
    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: 1,483
    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: 2,898
    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: 10,167
    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: 1,093
    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: 4,882
    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: 2,813
    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: 6,921
    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: 8,378
    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: 2,393
    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: 2,680
    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: 4,489
    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: 2,096
    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: 4,112
    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: 13,725
    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: 1,285
    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: 3,012
    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: 7,143
    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: 1,106
    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: 7,834
    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: 18,117
    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: 1,458
    10-14-2011, 05:10 PM Go to last post
    • Replies: 2
    • Views: 2,106
    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: 1,541
    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: 1,109
    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: 4,850
    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: 4,888
    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: 3,122
    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: 3,124
    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: 1,884
    09-16-2011, 06:31 PM Go to last post

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