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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: 8,394
    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: 11,902
    09-26-2014, 10:17 AM Go to last post
  1. Carrier Comfort Zone II

    Started by Marc M, 12-18-2011 08:19 PM
    • Replies: 7
    • Views: 1,650
    01-17-2012, 08:27 AM Go to last post
  2. Screen in jets of furnace

    Started by mathew stouffer, 01-06-2012 03:14 PM
    • Replies: 6
    • Views: 1,184
    01-17-2012, 08:25 AM Go to last post
  3. Unfamiliar flue

    Started by Jacques Mountain, 01-06-2012 06:05 PM
    • Replies: 3
    • Views: 1,011
    01-07-2012, 02:53 PM Go to last post
  4. Heat exchanger

    Started by Marc M, 12-15-2011 06:03 PM
    • Replies: 8
    • Views: 1,657
    01-01-2012, 06:45 PM Go to last post
  5. Age, history of this old boiler?

    Started by Kristi Silber, 12-01-2011 12:52 PM
    • Replies: 20
    • Views: 3,512
    12-28-2011, 08:14 PM Go to last post
    • Replies: 14
    • Views: 1,893
    12-28-2011, 07:01 AM Go to last post
  6. Concentric vent termination

    Started by Chuck Miller, 12-24-2011 09:21 PM
    • Replies: 5
    • Views: 1,563
    12-27-2011, 06:25 AM Go to last post
  7. What causes this? See photo.

    Started by Gene South, 11-09-2010 01:40 PM
    • Replies: 51
    • Views: 9,262
    12-26-2011, 05:10 PM Go to last post
  8. PVC or CPVC vent pipe on tankless heater?

    Started by Daniel Leung, 12-25-2011 08:51 AM
    • Replies: 1
    • Views: 1,869
    12-26-2011, 08:26 AM Go to last post
  9. Age on a Gaffers & Sattler Furnace

    Started by Patrick O'Connor, 12-21-2011 11:18 PM
    • Replies: 2
    • Views: 4,270
    12-22-2011, 05:51 PM Go to last post
  10. 100 amp Circuit breaker to 30 amp packaged unit

    Started by JIM MURPHY, 12-18-2011 08:17 AM
    • Replies: 4
    • Views: 2,142
    12-19-2011, 06:30 AM Go to last post
  11. pvc venting

    Started by Eric Smith, 12-14-2011 12:23 PM
    • Replies: 1
    • Views: 1,328
    12-15-2011, 01:34 PM Go to last post
  12. Heat shield

    Started by mathew stouffer, 12-08-2011 07:15 AM
    • Replies: 11
    • Views: 2,183
    12-12-2011, 05:00 PM Go to last post
    • Replies: 8
    • Views: 4,298
    12-08-2011, 07:02 PM Go to last post
  13. Furnace in the garage

    Started by mathew stouffer, 12-01-2011 06:18 AM
    • Replies: 16
    • Views: 2,155
    12-06-2011, 07:45 AM Go to last post
  14. Clearance for underground propane tank

    Started by Josh Johns, 12-01-2011 12:40 PM
    • Replies: 4
    • Views: 3,204
    12-02-2011, 12:46 PM Go to last post
    • Replies: 6
    • Views: 2,065
    11-30-2011, 09:42 PM Go to last post
  15. Furnace venting

    Started by sidney alstad, 11-22-2011 01:11 PM
    • Replies: 7
    • Views: 1,685
    11-30-2011, 11:20 AM Go to last post
  16. Question Need help decoding lennox htr age

    Started by Mike Richards, 11-29-2011 10:39 PM
    • Replies: 1
    • Views: 2,142
    11-30-2011, 10:25 AM Go to last post
    • Replies: 0
    • Views: 967
    11-29-2011, 02:46 PM Go to last post
  17. Flex vent at furnace

    Started by Bill Anglin, 11-10-2011 11:05 AM
    • Replies: 10
    • Views: 2,144
    11-28-2011, 06:19 AM Go to last post
  18. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 07:06 AM
    • Replies: 2
    • Views: 1,017
    11-24-2011, 10:14 AM Go to last post
  19. air handler internal condensate device?

    Started by John Arnold, 11-19-2011 01:30 PM
    • Replies: 4
    • Views: 1,874
    11-20-2011, 08:36 PM Go to last post
  20. Condensate trap too big?

    Started by Jon mackay, 06-14-2010 01:48 PM
    • Replies: 22
    • Views: 3,078
    11-20-2011, 02:45 PM Go to last post
  21. thermostat

    Started by Eric Smith, 11-15-2011 07:03 AM
    • Replies: 3
    • Views: 959
    11-18-2011, 06:54 AM Go to last post
  22. Age of Carrier brand evaporator

    Started by Gene South, 11-17-2011 05:38 AM
    • Replies: 4
    • Views: 1,900
    11-17-2011, 09:12 AM Go to last post
  23. Shared HWT & Furnace Flue (High Efficiency)

    Started by Rich Sumen, 11-17-2011 05:28 AM
    • Replies: 2
    • Views: 1,857
    11-17-2011, 07:59 AM Go to last post
  24. Age of Goodman AC Condenser Unit

    Started by Nick Ostrowski, 11-16-2011 04:15 AM
    • Replies: 3
    • Views: 10,498
    11-16-2011, 06:04 AM Go to last post
  25. In Floor and DHW

    Started by Jim Robinson, 11-08-2011 02:16 PM
    • Replies: 7
    • Views: 1,369
    11-13-2011, 05:25 AM Go to last post
  26. Thumbs down Vent Tee

    Started by Joe Nernberg, 04-05-2007 08:42 AM
    • Replies: 10
    • Views: 2,738
    11-12-2011, 06:19 PM Go to last post
  27. Unducted toe-kick register

    Started by Michael Thomas, 01-28-2011 04:24 AM
    • Replies: 9
    • Views: 9,641
    11-09-2011, 05:05 PM Go to last post
  28. AC refrigerant lines in plenum

    Started by mathew stouffer, 11-08-2011 06:50 AM
    • Replies: 2
    • Views: 1,020
    11-08-2011, 05:37 PM Go to last post
  29. sealed crawl space and gas appliances

    Started by Randall Clark, 11-03-2011 06:44 PM
    • Replies: 15
    • Views: 4,386
    11-04-2011, 12:49 PM Go to last post
  30. Need a name for this component.

    Started by Marc M, 10-24-2011 11:26 PM
    • Replies: 27
    • Views: 2,452
    11-04-2011, 09:14 AM Go to last post
  31. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 06:59 AM
    • Replies: 3
    • Views: 6,108
    11-04-2011, 07:26 AM Go to last post
  32. Electric furnace temperature rise?

    Started by Randall Clark, 11-02-2011 06:20 PM
    • Replies: 8
    • Views: 7,152
    11-03-2011, 02:23 PM Go to last post
  33. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 09:02 PM
    • Replies: 12
    • Views: 2,192
    11-02-2011, 06:22 AM Go to last post
  34. This can't be correct

    Started by Alan C Grubb, 09-04-2010 05:25 AM
    • Replies: 16
    • Views: 2,427
    10-31-2011, 10:19 PM Go to last post
  35. Venting gas furnace in attic

    Started by Brian Egan, 10-25-2011 01:42 PM
    • Replies: 7
    • Views: 4,172
    10-31-2011, 10:01 PM Go to last post
  36. core obstruction

    Started by John Dirks Jr, 10-25-2011 07:45 PM
    • Replies: 14
    • Views: 1,870
    10-31-2011, 08:13 PM Go to last post
  37. Vent connector length at WH draft hood

    Started by Stanley Chow, 10-27-2011 01:25 PM
    • Replies: 18
    • Views: 3,569
    10-31-2011, 07:05 PM Go to last post
  38. Size matching of evaporator and condenser

    Started by Gene South, 10-28-2011 08:16 AM
    • Replies: 9
    • Views: 12,050
    10-31-2011, 04:41 PM Go to last post
  39. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 09:02 PM
    • Replies: 4
    • Views: 1,120
    10-28-2011, 08:30 PM Go to last post
  40. Question HVAV proximity to furnace venting

    Started by Barry Lewis, 10-22-2011 04:41 AM
    • Replies: 14
    • Views: 2,753
    10-25-2011, 06:29 PM Go to last post
  41. over sized ac breaker

    Started by CHARLIE VAN FLEET, 10-24-2010 01:09 PM
    • Replies: 54
    • Views: 6,122
    10-24-2011, 03:12 AM Go to last post
  42. Radiant floor heat

    Started by Ron Bishop, 10-22-2011 05:58 AM
    • Replies: 1
    • Views: 1,015
    10-22-2011, 08:50 AM Go to last post
  43. Gas Fired Air Conditioner

    Started by Tony Escamilla, 08-11-2008 10:57 PM
    • Replies: 9
    • Views: 7,427
    10-21-2011, 10:54 AM Go to last post
  44. White Powder From Vents Maytag Furnace

    Started by Al Hendry, 12-21-2009 09:42 AM
    • Replies: 41
    • Views: 16,424
    10-20-2011, 04:54 AM Go to last post
  45. AC coil fins

    Started by Wade Johnson, 10-14-2011 03:25 PM
    • Replies: 2
    • Views: 1,313
    10-14-2011, 05:10 PM Go to last post
    • Replies: 2
    • Views: 1,915
    10-14-2011, 08:15 AM Go to last post
  46. Mammoth Heat/ Boiler

    Started by Sam Morris, 10-03-2011 04:39 PM
    • Replies: 8
    • Views: 1,371
    10-07-2011, 05:32 AM Go to last post
  47. undergroud oil storage tank vent?

    Started by Randall Clark, 10-03-2011 06:38 PM
    • Replies: 1
    • Views: 1,040
    10-04-2011, 05:00 AM Go to last post
  48. bathroom heater

    Started by Jason Schmidt, 01-14-2009 11:12 PM
    • Replies: 22
    • Views: 4,526
    09-29-2011, 01:46 PM Go to last post
  49. Compression Copper Gas fittings / pipes

    Started by Rich Sumen, 08-30-2011 08:40 PM
    • Replies: 4
    • Views: 4,605
    09-25-2011, 11:41 PM Go to last post
  50. 3 AC Condensors on One Breaker.

    Started by Keko Moore, 09-17-2011 08:06 AM
    • Replies: 6
    • Views: 2,607
    09-17-2011, 12:32 PM Go to last post
  51. Weil Mcclain boilers

    Started by mathew stouffer, 09-02-2011 06:07 AM
    • Replies: 3
    • Views: 2,280
    09-16-2011, 06:36 PM Go to last post
  52. 'Season' Compressor

    Started by Marc Morin, 09-01-2011 07:17 PM
    • Replies: 3
    • Views: 1,762
    09-16-2011, 06:31 PM Go to last post
  53. Commercial Ventilation

    Started by Gunnar Alquist, 09-04-2011 11:44 AM
    • Replies: 11
    • Views: 1,828
    09-16-2011, 07:37 AM Go to last post
  54. furnace flue damper

    Started by Greg Jenkins, 01-08-2009 09:36 AM
    • Replies: 7
    • Views: 8,034
    09-16-2011, 04:52 AM Go to last post
  55. Condensate from Condensing boiler

    Started by Steve D'Gerolamo, 01-11-2009 12:05 PM
    • Replies: 18
    • Views: 12,074
    09-12-2011, 12:29 AM Go to last post
  56. A/C coils

    Started by Dom D'Agostino, 09-03-2011 06:04 AM
    • Replies: 1
    • Views: 1,282
    09-03-2011, 07:52 AM Go to last post
  57. plastic Mylar bath ducting in attics

    Started by Michael Bronner, 09-02-2011 09:51 AM
    • Replies: 0
    • Views: 1,006
    09-02-2011, 09:51 AM Go to last post
  58. 2 compressors, 1 FAU?

    Started by Tim Hoole, 08-29-2011 06:58 PM
    • Replies: 3
    • Views: 1,372
    08-31-2011, 07:00 AM Go to last post
  59. AC differential temps

    Started by Gerald Wilcox, 08-22-2011 09:01 PM
    • Replies: 13
    • Views: 12,618
    08-26-2011, 10:38 AM Go to last post
  60. Condensation line

    Started by Greg Hammond, 08-22-2011 09:21 AM
    • Replies: 2
    • Views: 1,125
    08-26-2011, 09:02 AM Go to last post
  61. Propane Gas pipe tape

    Started by Kathleen Clinton, 08-22-2011 01:24 PM
    • Replies: 3
    • Views: 2,395
    08-22-2011, 05:01 PM Go to last post
    • Replies: 3
    • Views: 2,082
    08-22-2011, 03:56 PM Go to last post
  62. Return air and fireplace

    Started by Richard Roshak, 08-20-2011 05:57 PM
    • Replies: 1
    • Views: 1,311
    08-22-2011, 07:57 AM Go to last post
  63. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 01:45 PM
    • Replies: 5
    • Views: 1,361
    08-20-2011, 06:52 PM Go to last post
  64. Upside down condensate trap?

    Started by sidney alstad, 08-04-2011 06:09 PM
    • Replies: 9
    • Views: 3,983
    08-16-2011, 08:29 AM Go to last post
  65. condensate trap not necessary

    Started by John Goad, 08-01-2011 01:50 PM
    • Replies: 10
    • Views: 4,982
    08-15-2011, 07:53 PM Go to last post
  66. 3' gas vent termination height

    Started by Chuck Kaatz, 08-11-2011 02:44 PM
    • Replies: 2
    • Views: 1,943
    08-12-2011, 05:25 PM Go to last post
  67. early hydro or swamp cooler

    Started by wayne soper, 08-11-2011 05:58 PM
    • Replies: 5
    • Views: 1,524
    08-12-2011, 04:29 PM Go to last post
  68. Listed gas appliance exhaust termiantion

    Started by Marc Morin, 08-06-2011 08:07 PM
    • Replies: 4
    • Views: 1,426
    08-08-2011, 05:32 PM Go to last post
  69. Age of HVAC

    Started by Jeff Zehnder, 08-08-2011 01:56 PM
    • Replies: 2
    • Views: 3,139
    08-08-2011, 04:55 PM Go to last post

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