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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: 8,616
    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: 12,482
    09-26-2014, 11:17 AM Go to last post
  1. Older Rheem rooftop Package

    Started by Cliff Naylor, 01-24-2012 04:01 PM
    • Replies: 8
    • Views: 4,422
    01-27-2012, 12:26 PM Go to last post
  2. black iron and galvanized pipes

    Started by CHARLIE VAN FLEET, 03-12-2010 07:14 PM
    • Replies: 15
    • Views: 10,026
    01-26-2012, 11:30 PM Go to last post
  3. Heat pump timer?

    Started by Bill Anglin, 01-10-2012 08:46 PM
    • Replies: 9
    • Views: 2,144
    01-26-2012, 03:34 AM Go to last post
  4. Return vs. fireplace

    Started by Marc M, 01-23-2012 10:39 PM
    • Replies: 2
    • Views: 947
    01-24-2012, 09:59 AM Go to last post
  5. Bent Fins

    Started by Nick Ostrowski, 01-15-2012 10:39 AM
    • Replies: 8
    • Views: 1,836
    01-17-2012, 09:32 PM Go to last post
  6. Carrier Comfort Zone II

    Started by Marc M, 12-18-2011 09:19 PM
    • Replies: 7
    • Views: 1,658
    01-17-2012, 09:27 AM Go to last post
  7. Screen in jets of furnace

    Started by mathew stouffer, 01-06-2012 04:14 PM
    • Replies: 6
    • Views: 1,188
    01-17-2012, 09:25 AM Go to last post
  8. Unfamiliar flue

    Started by Jacques Mountain, 01-06-2012 07:05 PM
    • Replies: 3
    • Views: 1,031
    01-07-2012, 03:53 PM Go to last post
  9. Heat exchanger

    Started by Marc M, 12-15-2011 07:03 PM
    • Replies: 8
    • Views: 1,672
    01-01-2012, 07:45 PM Go to last post
  10. Age, history of this old boiler?

    Started by Kristi Silber, 12-01-2011 01:52 PM
    • Replies: 20
    • Views: 3,544
    12-28-2011, 09:14 PM Go to last post
    • Replies: 14
    • Views: 1,918
    12-28-2011, 08:01 AM Go to last post
  11. Concentric vent termination

    Started by Chuck Miller, 12-24-2011 10:21 PM
    • Replies: 5
    • Views: 1,577
    12-27-2011, 07:25 AM Go to last post
  12. What causes this? See photo.

    Started by Gene South, 11-09-2010 02:40 PM
    • Replies: 51
    • Views: 9,329
    12-26-2011, 06:10 PM Go to last post
  13. PVC or CPVC vent pipe on tankless heater?

    Started by Daniel Leung, 12-25-2011 09:51 AM
    • Replies: 1
    • Views: 1,883
    12-26-2011, 09:26 AM Go to last post
  14. Age on a Gaffers & Sattler Furnace

    Started by Patrick O'Connor, 12-22-2011 12:18 AM
    • Replies: 2
    • Views: 4,343
    12-22-2011, 06:51 PM Go to last post
  15. 100 amp Circuit breaker to 30 amp packaged unit

    Started by JIM MURPHY, 12-18-2011 09:17 AM
    • Replies: 4
    • Views: 2,172
    12-19-2011, 07:30 AM Go to last post
  16. pvc venting

    Started by Eric Smith, 12-14-2011 01:23 PM
    • Replies: 1
    • Views: 1,339
    12-15-2011, 02:34 PM Go to last post
  17. Heat shield

    Started by mathew stouffer, 12-08-2011 08:15 AM
    • Replies: 11
    • Views: 2,204
    12-12-2011, 06:00 PM Go to last post
    • Replies: 8
    • Views: 4,348
    12-08-2011, 08:02 PM Go to last post
  18. Furnace in the garage

    Started by mathew stouffer, 12-01-2011 07:18 AM
    • Replies: 16
    • Views: 2,187
    12-06-2011, 08:45 AM Go to last post
  19. Clearance for underground propane tank

    Started by Josh Johns, 12-01-2011 01:40 PM
    • Replies: 4
    • Views: 3,272
    12-02-2011, 01:46 PM Go to last post
    • Replies: 6
    • Views: 2,078
    11-30-2011, 10:42 PM Go to last post
  20. Furnace venting

    Started by sidney alstad, 11-22-2011 02:11 PM
    • Replies: 7
    • Views: 1,701
    11-30-2011, 12:20 PM Go to last post
  21. Question Need help decoding lennox htr age

    Started by Mike Richards, 11-29-2011 11:39 PM
    • Replies: 1
    • Views: 2,160
    11-30-2011, 11:25 AM Go to last post
    • Replies: 0
    • Views: 976
    11-29-2011, 03:46 PM Go to last post
  22. Flex vent at furnace

    Started by Bill Anglin, 11-10-2011 12:05 PM
    • Replies: 10
    • Views: 2,158
    11-28-2011, 07:19 AM Go to last post
  23. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 08:06 AM
    • Replies: 2
    • Views: 1,035
    11-24-2011, 11:14 AM Go to last post
  24. air handler internal condensate device?

    Started by John Arnold, 11-19-2011 02:30 PM
    • Replies: 4
    • Views: 1,903
    11-20-2011, 09:36 PM Go to last post
  25. Condensate trap too big?

    Started by Jon mackay, 06-14-2010 02:48 PM
    • Replies: 22
    • Views: 3,098
    11-20-2011, 03:45 PM Go to last post
  26. thermostat

    Started by Eric Smith, 11-15-2011 08:03 AM
    • Replies: 3
    • Views: 965
    11-18-2011, 07:54 AM Go to last post
  27. Age of Carrier brand evaporator

    Started by Gene South, 11-17-2011 06:38 AM
    • Replies: 4
    • Views: 1,916
    11-17-2011, 10:12 AM Go to last post
  28. Shared HWT & Furnace Flue (High Efficiency)

    Started by Rich Sumen, 11-17-2011 06:28 AM
    • Replies: 2
    • Views: 1,885
    11-17-2011, 08:59 AM Go to last post
  29. Age of Goodman AC Condenser Unit

    Started by Nick Ostrowski, 11-16-2011 05:15 AM
    • Replies: 3
    • Views: 10,615
    11-16-2011, 07:04 AM Go to last post
  30. In Floor and DHW

    Started by Jim Robinson, 11-08-2011 03:16 PM
    • Replies: 7
    • Views: 1,381
    11-13-2011, 06:25 AM Go to last post
  31. Thumbs down Vent Tee

    Started by Joe Nernberg, 04-05-2007 09:42 AM
    • Replies: 10
    • Views: 2,755
    11-12-2011, 07:19 PM Go to last post
  32. Unducted toe-kick register

    Started by Michael Thomas, 01-28-2011 05:24 AM
    • Replies: 9
    • Views: 9,734
    11-09-2011, 06:05 PM Go to last post
  33. AC refrigerant lines in plenum

    Started by mathew stouffer, 11-08-2011 07:50 AM
    • Replies: 2
    • Views: 1,027
    11-08-2011, 06:37 PM Go to last post
  34. sealed crawl space and gas appliances

    Started by Randall Clark, 11-03-2011 07:44 PM
    • Replies: 15
    • Views: 4,494
    11-04-2011, 01:49 PM Go to last post
  35. Need a name for this component.

    Started by Marc M, 10-25-2011 12:26 AM
    • Replies: 27
    • Views: 2,484
    11-04-2011, 10:14 AM Go to last post
  36. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 07:59 AM
    • Replies: 3
    • Views: 6,273
    11-04-2011, 08:26 AM Go to last post
  37. Electric furnace temperature rise?

    Started by Randall Clark, 11-02-2011 07:20 PM
    • Replies: 8
    • Views: 7,423
    11-03-2011, 03:23 PM Go to last post
  38. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 10:02 PM
    • Replies: 12
    • Views: 2,222
    11-02-2011, 07:22 AM Go to last post
  39. This can't be correct

    Started by Alan C Grubb, 09-04-2010 06:25 AM
    • Replies: 16
    • Views: 2,459
    10-31-2011, 11:19 PM Go to last post
  40. Venting gas furnace in attic

    Started by Brian Egan, 10-25-2011 02:42 PM
    • Replies: 7
    • Views: 4,229
    10-31-2011, 11:01 PM Go to last post
  41. core obstruction

    Started by John Dirks Jr, 10-25-2011 08:45 PM
    • Replies: 14
    • Views: 1,907
    10-31-2011, 09:13 PM Go to last post
  42. Vent connector length at WH draft hood

    Started by Stanley Chow, 10-27-2011 02:25 PM
    • Replies: 18
    • Views: 3,635
    10-31-2011, 08:05 PM Go to last post
  43. Size matching of evaporator and condenser

    Started by Gene South, 10-28-2011 09:16 AM
    • Replies: 9
    • Views: 12,243
    10-31-2011, 05:41 PM Go to last post
  44. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 10:02 PM
    • Replies: 4
    • Views: 1,146
    10-28-2011, 09:30 PM Go to last post
  45. Question HVAV proximity to furnace venting

    Started by Barry Lewis, 10-22-2011 05:41 AM
    • Replies: 14
    • Views: 2,790
    10-25-2011, 07:29 PM Go to last post
  46. over sized ac breaker

    Started by CHARLIE VAN FLEET, 10-24-2010 02:09 PM
    • Replies: 54
    • Views: 6,212
    10-24-2011, 04:12 AM Go to last post
  47. Radiant floor heat

    Started by Ron Bishop, 10-22-2011 06:58 AM
    • Replies: 1
    • Views: 1,028
    10-22-2011, 09:50 AM Go to last post
  48. Gas Fired Air Conditioner

    Started by Tony Escamilla, 08-11-2008 11:57 PM
    • Replies: 9
    • Views: 7,468
    10-21-2011, 11:54 AM Go to last post
  49. White Powder From Vents Maytag Furnace

    Started by Al Hendry, 12-21-2009 10:42 AM
    • Replies: 41
    • Views: 16,780
    10-20-2011, 05:54 AM Go to last post
  50. AC coil fins

    Started by Wade Johnson, 10-14-2011 04:25 PM
    • Replies: 2
    • Views: 1,328
    10-14-2011, 06:10 PM Go to last post
    • Replies: 2
    • Views: 1,955
    10-14-2011, 09:15 AM Go to last post
  51. Mammoth Heat/ Boiler

    Started by Sam Morris, 10-03-2011 05:39 PM
    • Replies: 8
    • Views: 1,390
    10-07-2011, 06:32 AM Go to last post
  52. undergroud oil storage tank vent?

    Started by Randall Clark, 10-03-2011 07:38 PM
    • Replies: 1
    • Views: 1,050
    10-04-2011, 06:00 AM Go to last post
  53. bathroom heater

    Started by Jason Schmidt, 01-15-2009 12:12 AM
    • Replies: 22
    • Views: 4,574
    09-29-2011, 02:46 PM Go to last post
  54. Compression Copper Gas fittings / pipes

    Started by Rich Sumen, 08-30-2011 09:40 PM
    • Replies: 4
    • Views: 4,657
    09-26-2011, 12:41 AM Go to last post
  55. 3 AC Condensors on One Breaker.

    Started by Keko Moore, 09-17-2011 09:06 AM
    • Replies: 6
    • Views: 2,655
    09-17-2011, 01:32 PM Go to last post
  56. Weil Mcclain boilers

    Started by mathew stouffer, 09-02-2011 07:07 AM
    • Replies: 3
    • Views: 2,506
    09-16-2011, 07:36 PM Go to last post
  57. 'Season' Compressor

    Started by Marc Morin, 09-01-2011 08:17 PM
    • Replies: 3
    • Views: 1,776
    09-16-2011, 07:31 PM Go to last post
  58. Commercial Ventilation

    Started by Gunnar Alquist, 09-04-2011 12:44 PM
    • Replies: 11
    • Views: 1,857
    09-16-2011, 08:37 AM Go to last post
  59. furnace flue damper

    Started by Greg Jenkins, 01-08-2009 10:36 AM
    • Replies: 7
    • Views: 8,090
    09-16-2011, 05:52 AM Go to last post
  60. Condensate from Condensing boiler

    Started by Steve D'Gerolamo, 01-11-2009 01:05 PM
    • Replies: 18
    • Views: 12,177
    09-12-2011, 01:29 AM Go to last post
  61. A/C coils

    Started by Dom D'Agostino, 09-03-2011 07:04 AM
    • Replies: 1
    • Views: 1,300
    09-03-2011, 08:52 AM Go to last post
  62. plastic Mylar bath ducting in attics

    Started by Michael Bronner, 09-02-2011 10:51 AM
    • Replies: 0
    • Views: 1,012
    09-02-2011, 10:51 AM Go to last post
  63. 2 compressors, 1 FAU?

    Started by Tim Hoole, 08-29-2011 07:58 PM
    • Replies: 3
    • Views: 1,382
    08-31-2011, 08:00 AM Go to last post
  64. AC differential temps

    Started by Gerald Wilcox, 08-22-2011 10:01 PM
    • Replies: 13
    • Views: 12,752
    08-26-2011, 11:38 AM Go to last post
  65. Condensation line

    Started by Greg Hammond, 08-22-2011 10:21 AM
    • Replies: 2
    • Views: 1,142
    08-26-2011, 10:02 AM Go to last post
  66. Propane Gas pipe tape

    Started by Kathleen Clinton, 08-22-2011 02:24 PM
    • Replies: 3
    • Views: 2,422
    08-22-2011, 06:01 PM Go to last post
    • Replies: 3
    • Views: 2,107
    08-22-2011, 04:56 PM Go to last post
  67. Return air and fireplace

    Started by Richard Roshak, 08-20-2011 06:57 PM
    • Replies: 1
    • Views: 1,328
    08-22-2011, 08:57 AM Go to last post
  68. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 02:45 PM
    • Replies: 5
    • Views: 1,373
    08-20-2011, 07:52 PM Go to last post
  69. Upside down condensate trap?

    Started by sidney alstad, 08-04-2011 07:09 PM
    • Replies: 9
    • Views: 4,042
    08-16-2011, 09:29 AM Go to last post

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