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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 02:26 PM
    • Replies: 2
    • Views: 8,800
    04-09-2016, 08:33 PM Go to last post
  2. Sticky Thread Sticky: Furnace Age Information

    Started by Brian Hannigan, 07-24-2013 02:04 PM
    • Replies: 4
    • Views: 13,007
    09-26-2014, 11:17 AM Go to last post
  1. HI and also the Buyer

    Started by Rick Ramirez, 01-27-2012 11:09 AM
    • Replies: 10
    • Views: 1,556
    01-29-2012, 12:30 AM Go to last post
  2. Older Rheem rooftop Package

    Started by Cliff Naylor, 01-24-2012 04:01 PM
    • Replies: 8
    • Views: 4,478
    01-27-2012, 12:26 PM Go to last post
  3. black iron and galvanized pipes

    Started by CHARLIE VAN FLEET, 03-12-2010 07:14 PM
    • Replies: 15
    • Views: 10,105
    01-26-2012, 11:30 PM Go to last post
  4. Heat pump timer?

    Started by Bill Anglin, 01-10-2012 08:46 PM
    • Replies: 9
    • Views: 2,174
    01-26-2012, 03:34 AM Go to last post
  5. Return vs. fireplace

    Started by Marc M, 01-23-2012 10:39 PM
    • Replies: 2
    • Views: 967
    01-24-2012, 09:59 AM Go to last post
  6. Bent Fins

    Started by Nick Ostrowski, 01-15-2012 10:39 AM
    • Replies: 8
    • Views: 1,868
    01-17-2012, 09:32 PM Go to last post
  7. Carrier Comfort Zone II

    Started by Marc M, 12-18-2011 09:19 PM
    • Replies: 7
    • Views: 1,671
    01-17-2012, 09:27 AM Go to last post
  8. Screen in jets of furnace

    Started by mathew stouffer, 01-06-2012 04:14 PM
    • Replies: 6
    • Views: 1,202
    01-17-2012, 09:25 AM Go to last post
  9. Unfamiliar flue

    Started by Jacques Mountain, 01-06-2012 07:05 PM
    • Replies: 3
    • Views: 1,047
    01-07-2012, 03:53 PM Go to last post
  10. Heat exchanger

    Started by Marc M, 12-15-2011 07:03 PM
    • Replies: 8
    • Views: 1,683
    01-01-2012, 07:45 PM Go to last post
  11. Age, history of this old boiler?

    Started by Kristi Silber, 12-01-2011 01:52 PM
    • Replies: 20
    • Views: 3,567
    12-28-2011, 09:14 PM Go to last post
    • Replies: 14
    • Views: 1,930
    12-28-2011, 08:01 AM Go to last post
  12. Concentric vent termination

    Started by Chuck Miller, 12-24-2011 10:21 PM
    • Replies: 5
    • Views: 1,594
    12-27-2011, 07:25 AM Go to last post
  13. What causes this? See photo.

    Started by Gene South, 11-09-2010 02:40 PM
    • Replies: 51
    • Views: 9,396
    12-26-2011, 06:10 PM Go to last post
  14. PVC or CPVC vent pipe on tankless heater?

    Started by Daniel Leung, 12-25-2011 09:51 AM
    • Replies: 1
    • Views: 1,901
    12-26-2011, 09:26 AM Go to last post
  15. Age on a Gaffers & Sattler Furnace

    Started by Patrick O'Connor, 12-22-2011 12:18 AM
    • Replies: 2
    • Views: 4,405
    12-22-2011, 06:51 PM Go to last post
  16. 100 amp Circuit breaker to 30 amp packaged unit

    Started by JIM MURPHY, 12-18-2011 09:17 AM
    • Replies: 4
    • Views: 2,204
    12-19-2011, 07:30 AM Go to last post
  17. pvc venting

    Started by Eric Smith, 12-14-2011 01:23 PM
    • Replies: 1
    • Views: 1,350
    12-15-2011, 02:34 PM Go to last post
  18. Heat shield

    Started by mathew stouffer, 12-08-2011 08:15 AM
    • Replies: 11
    • Views: 2,225
    12-12-2011, 06:00 PM Go to last post
    • Replies: 8
    • Views: 4,391
    12-08-2011, 08:02 PM Go to last post
  19. Furnace in the garage

    Started by mathew stouffer, 12-01-2011 07:18 AM
    • Replies: 16
    • Views: 2,214
    12-06-2011, 08:45 AM Go to last post
  20. Clearance for underground propane tank

    Started by Josh Johns, 12-01-2011 01:40 PM
    • Replies: 4
    • Views: 3,306
    12-02-2011, 01:46 PM Go to last post
    • Replies: 6
    • Views: 2,094
    11-30-2011, 10:42 PM Go to last post
  21. Furnace venting

    Started by sidney alstad, 11-22-2011 02:11 PM
    • Replies: 7
    • Views: 1,712
    11-30-2011, 12:20 PM Go to last post
  22. Question Need help decoding lennox htr age

    Started by Mike Richards, 11-29-2011 11:39 PM
    • Replies: 1
    • Views: 2,175
    11-30-2011, 11:25 AM Go to last post
    • Replies: 0
    • Views: 982
    11-29-2011, 03:46 PM Go to last post
  23. Flex vent at furnace

    Started by Bill Anglin, 11-10-2011 12:05 PM
    • Replies: 10
    • Views: 2,171
    11-28-2011, 07:19 AM Go to last post
  24. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 08:06 AM
    • Replies: 2
    • Views: 1,043
    11-24-2011, 11:14 AM Go to last post
  25. air handler internal condensate device?

    Started by John Arnold, 11-19-2011 02:30 PM
    • Replies: 4
    • Views: 1,927
    11-20-2011, 09:36 PM Go to last post
  26. Condensate trap too big?

    Started by Jon mackay, 06-14-2010 02:48 PM
    • Replies: 22
    • Views: 3,119
    11-20-2011, 03:45 PM Go to last post
  27. thermostat

    Started by Eric Smith, 11-15-2011 08:03 AM
    • Replies: 3
    • Views: 977
    11-18-2011, 07:54 AM Go to last post
  28. Age of Carrier brand evaporator

    Started by Gene South, 11-17-2011 06:38 AM
    • Replies: 4
    • Views: 1,931
    11-17-2011, 10:12 AM Go to last post
  29. Shared HWT & Furnace Flue (High Efficiency)

    Started by Rich Sumen, 11-17-2011 06:28 AM
    • Replies: 2
    • Views: 1,910
    11-17-2011, 08:59 AM Go to last post
  30. Age of Goodman AC Condenser Unit

    Started by Nick Ostrowski, 11-16-2011 05:15 AM
    • Replies: 3
    • Views: 10,714
    11-16-2011, 07:04 AM Go to last post
  31. In Floor and DHW

    Started by Jim Robinson, 11-08-2011 03:16 PM
    • Replies: 7
    • Views: 1,392
    11-13-2011, 06:25 AM Go to last post
  32. Thumbs down Vent Tee

    Started by Joe Nernberg, 04-05-2007 09:42 AM
    • Replies: 10
    • Views: 2,773
    11-12-2011, 07:19 PM Go to last post
  33. Unducted toe-kick register

    Started by Michael Thomas, 01-28-2011 05:24 AM
    • Replies: 9
    • Views: 9,812
    11-09-2011, 06:05 PM Go to last post
  34. AC refrigerant lines in plenum

    Started by mathew stouffer, 11-08-2011 07:50 AM
    • Replies: 2
    • Views: 1,032
    11-08-2011, 06:37 PM Go to last post
  35. sealed crawl space and gas appliances

    Started by Randall Clark, 11-03-2011 07:44 PM
    • Replies: 15
    • Views: 4,557
    11-04-2011, 01:49 PM Go to last post
  36. Need a name for this component.

    Started by Marc M, 10-25-2011 12:26 AM
    • Replies: 27
    • Views: 2,540
    11-04-2011, 10:14 AM Go to last post
  37. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 07:59 AM
    • Replies: 3
    • Views: 6,404
    11-04-2011, 08:26 AM Go to last post
  38. Electric furnace temperature rise?

    Started by Randall Clark, 11-02-2011 07:20 PM
    • Replies: 8
    • Views: 7,767
    11-03-2011, 03:23 PM Go to last post
  39. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 10:02 PM
    • Replies: 12
    • Views: 2,251
    11-02-2011, 07:22 AM Go to last post
  40. This can't be correct

    Started by Alan C Grubb, 09-04-2010 06:25 AM
    • Replies: 16
    • Views: 2,486
    10-31-2011, 11:19 PM Go to last post
  41. Venting gas furnace in attic

    Started by Brian Egan, 10-25-2011 02:42 PM
    • Replies: 7
    • Views: 4,269
    10-31-2011, 11:01 PM Go to last post
  42. core obstruction

    Started by John Dirks Jr, 10-25-2011 08:45 PM
    • Replies: 14
    • Views: 1,939
    10-31-2011, 09:13 PM Go to last post
  43. Vent connector length at WH draft hood

    Started by Stanley Chow, 10-27-2011 02:25 PM
    • Replies: 18
    • Views: 3,702
    10-31-2011, 08:05 PM Go to last post
  44. Size matching of evaporator and condenser

    Started by Gene South, 10-28-2011 09:16 AM
    • Replies: 9
    • Views: 12,374
    10-31-2011, 05:41 PM Go to last post
  45. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 10:02 PM
    • Replies: 4
    • Views: 1,167
    10-28-2011, 09:30 PM Go to last post
  46. Question HVAV proximity to furnace venting

    Started by Barry Lewis, 10-22-2011 05:41 AM
    • Replies: 14
    • Views: 2,830
    10-25-2011, 07:29 PM Go to last post
  47. over sized ac breaker

    Started by CHARLIE VAN FLEET, 10-24-2010 02:09 PM
    • Replies: 54
    • Views: 6,306
    10-24-2011, 04:12 AM Go to last post
  48. Radiant floor heat

    Started by Ron Bishop, 10-22-2011 06:58 AM
    • Replies: 1
    • Views: 1,039
    10-22-2011, 09:50 AM Go to last post
  49. Gas Fired Air Conditioner

    Started by Tony Escamilla, 08-11-2008 11:57 PM
    • Replies: 9
    • Views: 7,500
    10-21-2011, 11:54 AM Go to last post
  50. White Powder From Vents Maytag Furnace

    Started by Al Hendry, 12-21-2009 10:42 AM
    • Replies: 41
    • Views: 17,062
    10-20-2011, 05:54 AM Go to last post
  51. AC coil fins

    Started by Wade Johnson, 10-14-2011 04:25 PM
    • Replies: 2
    • Views: 1,350
    10-14-2011, 06:10 PM Go to last post
    • Replies: 2
    • Views: 1,987
    10-14-2011, 09:15 AM Go to last post
  52. Mammoth Heat/ Boiler

    Started by Sam Morris, 10-03-2011 05:39 PM
    • Replies: 8
    • Views: 1,415
    10-07-2011, 06:32 AM Go to last post
  53. undergroud oil storage tank vent?

    Started by Randall Clark, 10-03-2011 07:38 PM
    • Replies: 1
    • Views: 1,062
    10-04-2011, 06:00 AM Go to last post
  54. bathroom heater

    Started by Jason Schmidt, 01-15-2009 12:12 AM
    • Replies: 22
    • Views: 4,615
    09-29-2011, 02:46 PM Go to last post
  55. Compression Copper Gas fittings / pipes

    Started by Rich Sumen, 08-30-2011 09:40 PM
    • Replies: 4
    • Views: 4,698
    09-26-2011, 12:41 AM Go to last post
  56. 3 AC Condensors on One Breaker.

    Started by Keko Moore, 09-17-2011 09:06 AM
    • Replies: 6
    • Views: 2,697
    09-17-2011, 01:32 PM Go to last post
  57. Weil Mcclain boilers

    Started by mathew stouffer, 09-02-2011 07:07 AM
    • Replies: 3
    • Views: 2,656
    09-16-2011, 07:36 PM Go to last post
  58. 'Season' Compressor

    Started by Marc Morin, 09-01-2011 08:17 PM
    • Replies: 3
    • Views: 1,792
    09-16-2011, 07:31 PM Go to last post
  59. Commercial Ventilation

    Started by Gunnar Alquist, 09-04-2011 12:44 PM
    • Replies: 11
    • Views: 1,889
    09-16-2011, 08:37 AM Go to last post
  60. furnace flue damper

    Started by Greg Jenkins, 01-08-2009 10:36 AM
    • Replies: 7
    • Views: 8,125
    09-16-2011, 05:52 AM Go to last post
  61. Condensate from Condensing boiler

    Started by Steve D'Gerolamo, 01-11-2009 01:05 PM
    • Replies: 18
    • Views: 12,283
    09-12-2011, 01:29 AM Go to last post
  62. A/C coils

    Started by Dom D'Agostino, 09-03-2011 07:04 AM
    • Replies: 1
    • Views: 1,318
    09-03-2011, 08:52 AM Go to last post
  63. plastic Mylar bath ducting in attics

    Started by Michael Bronner, 09-02-2011 10:51 AM
    • Replies: 0
    • Views: 1,015
    09-02-2011, 10:51 AM Go to last post
  64. 2 compressors, 1 FAU?

    Started by Tim Hoole, 08-29-2011 07:58 PM
    • Replies: 3
    • Views: 1,392
    08-31-2011, 08:00 AM Go to last post
  65. AC differential temps

    Started by Gerald Wilcox, 08-22-2011 10:01 PM
    • Replies: 13
    • Views: 12,841
    08-26-2011, 11:38 AM Go to last post
  66. Condensation line

    Started by Greg Hammond, 08-22-2011 10:21 AM
    • Replies: 2
    • Views: 1,153
    08-26-2011, 10:02 AM Go to last post
  67. Propane Gas pipe tape

    Started by Kathleen Clinton, 08-22-2011 02:24 PM
    • Replies: 3
    • Views: 2,444
    08-22-2011, 06:01 PM Go to last post
    • Replies: 3
    • Views: 2,120
    08-22-2011, 04:56 PM Go to last post
  68. Return air and fireplace

    Started by Richard Roshak, 08-20-2011 06:57 PM
    • Replies: 1
    • Views: 1,340
    08-22-2011, 08:57 AM Go to last post
  69. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 02:45 PM
    • Replies: 5
    • Views: 1,396
    08-20-2011, 07:52 PM Go to last post

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