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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: 9,292
    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: 14,655
    09-26-2014, 10:17 AM Go to last post
  1. Dimmer controls air handler fan??

    Started by John Arnold, 02-09-2012 10:25 AM
    • Replies: 5
    • Views: 1,406
    02-13-2012, 11:44 AM Go to last post
  2. Geothermal System

    Started by JIM MURPHY, 02-09-2012 03:08 PM
    • Replies: 2
    • Views: 1,418
    02-10-2012, 05:41 PM Go to last post
  3. furnace technical help needed

    Started by John Arnold, 02-09-2012 11:18 AM
    • Replies: 8
    • Views: 1,350
    02-10-2012, 02:46 PM Go to last post
  4. Condenser Fan Motor Wiring

    Started by Shane Dredge, 08-05-2011 01:01 PM
    • Replies: 28
    • Views: 9,658
    02-09-2012, 06:25 PM Go to last post
  5. No attic drip pan

    Started by Benjamin Thompson, 02-07-2012 04:38 PM
    • Replies: 11
    • Views: 4,801
    02-07-2012, 09:27 PM Go to last post
  6. Duct Material in 1960's Home

    Started by Leo Leidlein, 12-14-2011 08:20 PM
    • Replies: 10
    • Views: 4,931
    02-05-2012, 11:33 PM Go to last post
    • Replies: 3
    • Views: 1,265
    02-01-2012, 02:25 PM Go to last post
  7. HI and also the Buyer

    Started by Rick Ramirez, 01-27-2012 11:09 AM
    • Replies: 10
    • Views: 1,625
    01-29-2012, 12:30 AM Go to last post
  8. Older Rheem rooftop Package

    Started by Cliff Naylor, 01-24-2012 04:01 PM
    • Replies: 8
    • Views: 4,638
    01-27-2012, 12:26 PM Go to last post
  9. black iron and galvanized pipes

    Started by CHARLIE VAN FLEET, 03-12-2010 07:14 PM
    • Replies: 15
    • Views: 10,344
    01-26-2012, 11:30 PM Go to last post
  10. Heat pump timer?

    Started by Bill Anglin, 01-10-2012 08:46 PM
    • Replies: 9
    • Views: 2,237
    01-26-2012, 03:34 AM Go to last post
  11. Return vs. fireplace

    Started by Marc M, 01-23-2012 10:39 PM
    • Replies: 2
    • Views: 1,027
    01-24-2012, 09:59 AM Go to last post
  12. Bent Fins

    Started by Nick Ostrowski, 01-15-2012 10:39 AM
    • Replies: 8
    • Views: 1,935
    01-17-2012, 09:32 PM Go to last post
  13. Carrier Comfort Zone II

    Started by Marc M, 12-18-2011 09:19 PM
    • Replies: 7
    • Views: 1,724
    01-17-2012, 09:27 AM Go to last post
  14. Screen in jets of furnace

    Started by mathew stouffer, 01-06-2012 04:14 PM
    • Replies: 6
    • Views: 1,250
    01-17-2012, 09:25 AM Go to last post
  15. Unfamiliar flue

    Started by Jacques Mountain, 01-06-2012 07:05 PM
    • Replies: 3
    • Views: 1,067
    01-07-2012, 03:53 PM Go to last post
  16. Heat exchanger

    Started by Marc M, 12-15-2011 07:03 PM
    • Replies: 8
    • Views: 1,730
    01-01-2012, 07:45 PM Go to last post
  17. Age, history of this old boiler?

    Started by Kristi Silber, 12-01-2011 01:52 PM
    • Replies: 20
    • Views: 3,661
    12-28-2011, 09:14 PM Go to last post
    • Replies: 14
    • Views: 1,972
    12-28-2011, 08:01 AM Go to last post
  18. Concentric vent termination

    Started by Chuck Miller, 12-24-2011 10:21 PM
    • Replies: 5
    • Views: 1,636
    12-27-2011, 07:25 AM Go to last post
  19. What causes this? See photo.

    Started by Gene South, 11-09-2010 02:40 PM
    • Replies: 51
    • Views: 9,744
    12-26-2011, 06:10 PM Go to last post
  20. PVC or CPVC vent pipe on tankless heater?

    Started by Daniel Leung, 12-25-2011 09:51 AM
    • Replies: 1
    • Views: 1,956
    12-26-2011, 09:26 AM Go to last post
  21. Age on a Gaffers & Sattler Furnace

    Started by Patrick O'Connor, 12-22-2011 12:18 AM
    • Replies: 2
    • Views: 4,619
    12-22-2011, 06:51 PM Go to last post
  22. 100 amp Circuit breaker to 30 amp packaged unit

    Started by JIM MURPHY, 12-18-2011 09:17 AM
    • Replies: 4
    • Views: 2,293
    12-19-2011, 07:30 AM Go to last post
  23. pvc venting

    Started by Eric Smith, 12-14-2011 01:23 PM
    • Replies: 1
    • Views: 1,378
    12-15-2011, 02:34 PM Go to last post
  24. Heat shield

    Started by mathew stouffer, 12-08-2011 08:15 AM
    • Replies: 11
    • Views: 2,289
    12-12-2011, 06:00 PM Go to last post
    • Replies: 8
    • Views: 4,512
    12-08-2011, 08:02 PM Go to last post
  25. Furnace in the garage

    Started by mathew stouffer, 12-01-2011 07:18 AM
    • Replies: 16
    • Views: 2,291
    12-06-2011, 08:45 AM Go to last post
  26. Clearance for underground propane tank

    Started by Josh Johns, 12-01-2011 01:40 PM
    • Replies: 4
    • Views: 3,435
    12-02-2011, 01:46 PM Go to last post
    • Replies: 6
    • Views: 2,141
    11-30-2011, 10:42 PM Go to last post
  27. Furnace venting

    Started by sidney alstad, 11-22-2011 02:11 PM
    • Replies: 7
    • Views: 1,760
    11-30-2011, 12:20 PM Go to last post
  28. Question Need help decoding lennox htr age

    Started by Mike Richards, 11-29-2011 11:39 PM
    • Replies: 1
    • Views: 2,214
    11-30-2011, 11:25 AM Go to last post
    • Replies: 0
    • Views: 1,001
    11-29-2011, 03:46 PM Go to last post
  29. Flex vent at furnace

    Started by Bill Anglin, 11-10-2011 12:05 PM
    • Replies: 10
    • Views: 2,220
    11-28-2011, 07:19 AM Go to last post
  30. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 07:06 AM
    • Replies: 2
    • Views: 1,066
    11-24-2011, 11:14 AM Go to last post
  31. air handler internal condensate device?

    Started by John Arnold, 11-19-2011 02:30 PM
    • Replies: 4
    • Views: 2,008
    11-20-2011, 09:36 PM Go to last post
  32. Condensate trap too big?

    Started by Jon mackay, 06-14-2010 01:48 PM
    • Replies: 22
    • Views: 3,210
    11-20-2011, 03:45 PM Go to last post
  33. thermostat

    Started by Eric Smith, 11-15-2011 08:03 AM
    • Replies: 3
    • Views: 1,007
    11-18-2011, 07:54 AM Go to last post
  34. Age of Carrier brand evaporator

    Started by Gene South, 11-17-2011 06:38 AM
    • Replies: 4
    • Views: 2,001
    11-17-2011, 10:12 AM Go to last post
  35. Shared HWT & Furnace Flue (High Efficiency)

    Started by Rich Sumen, 11-17-2011 06:28 AM
    • Replies: 2
    • Views: 1,965
    11-17-2011, 08:59 AM Go to last post
  36. Age of Goodman AC Condenser Unit

    Started by Nick Ostrowski, 11-16-2011 05:15 AM
    • Replies: 3
    • Views: 11,294
    11-16-2011, 07:04 AM Go to last post
  37. In Floor and DHW

    Started by Jim Robinson, 11-08-2011 03:16 PM
    • Replies: 7
    • Views: 1,437
    11-13-2011, 06:25 AM Go to last post
  38. Thumbs down Vent Tee

    Started by Joe Nernberg, 04-05-2007 08:42 AM
    • Replies: 10
    • Views: 2,840
    11-12-2011, 07:19 PM Go to last post
  39. Unducted toe-kick register

    Started by Michael Thomas, 01-28-2011 05:24 AM
    • Replies: 9
    • Views: 10,008
    11-09-2011, 06:05 PM Go to last post
  40. AC refrigerant lines in plenum

    Started by mathew stouffer, 11-08-2011 07:50 AM
    • Replies: 2
    • Views: 1,062
    11-08-2011, 06:37 PM Go to last post
  41. sealed crawl space and gas appliances

    Started by Randall Clark, 11-03-2011 06:44 PM
    • Replies: 15
    • Views: 4,725
    11-04-2011, 12:49 PM Go to last post
  42. Need a name for this component.

    Started by Marc M, 10-24-2011 11:26 PM
    • Replies: 27
    • Views: 2,672
    11-04-2011, 09:14 AM Go to last post
  43. Height of furnace vent above grade

    Started by mathew stouffer, 11-03-2011 06:59 AM
    • Replies: 3
    • Views: 6,717
    11-04-2011, 07:26 AM Go to last post
  44. Electric furnace temperature rise?

    Started by Randall Clark, 11-02-2011 06:20 PM
    • Replies: 8
    • Views: 8,151
    11-03-2011, 02:23 PM Go to last post
  45. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 09:02 PM
    • Replies: 12
    • Views: 2,345
    11-02-2011, 06:22 AM Go to last post
  46. This can't be correct

    Started by Alan C Grubb, 09-04-2010 05:25 AM
    • Replies: 16
    • Views: 2,591
    10-31-2011, 10:19 PM Go to last post
  47. Venting gas furnace in attic

    Started by Brian Egan, 10-25-2011 01:42 PM
    • Replies: 7
    • Views: 4,403
    10-31-2011, 10:01 PM Go to last post
  48. core obstruction

    Started by John Dirks Jr, 10-25-2011 07:45 PM
    • Replies: 14
    • Views: 2,004
    10-31-2011, 08:13 PM Go to last post
  49. Vent connector length at WH draft hood

    Started by Stanley Chow, 10-27-2011 01:25 PM
    • Replies: 18
    • Views: 3,907
    10-31-2011, 07:05 PM Go to last post
  50. Size matching of evaporator and condenser

    Started by Gene South, 10-28-2011 08:16 AM
    • Replies: 9
    • Views: 13,058
    10-31-2011, 04:41 PM Go to last post
  51. Should NM wiring be recommended?

    Started by Raghav Singh, 10-27-2011 09:02 PM
    • Replies: 4
    • Views: 1,233
    10-28-2011, 08:30 PM Go to last post
  52. Question HVAV proximity to furnace venting

    Started by Barry Lewis, 10-22-2011 04:41 AM
    • Replies: 14
    • Views: 2,931
    10-25-2011, 06:29 PM Go to last post
  53. over sized ac breaker

    Started by CHARLIE VAN FLEET, 10-24-2010 01:09 PM
    • Replies: 54
    • Views: 6,666
    10-24-2011, 03:12 AM Go to last post
  54. Radiant floor heat

    Started by Ron Bishop, 10-22-2011 05:58 AM
    • Replies: 1
    • Views: 1,075
    10-22-2011, 08:50 AM Go to last post
  55. Gas Fired Air Conditioner

    Started by Tony Escamilla, 08-11-2008 10:57 PM
    • Replies: 9
    • Views: 7,665
    10-21-2011, 10:54 AM Go to last post
  56. White Powder From Vents Maytag Furnace

    Started by Al Hendry, 12-21-2009 10:42 AM
    • Replies: 41
    • Views: 17,709
    10-20-2011, 04:54 AM Go to last post
  57. AC coil fins

    Started by Wade Johnson, 10-14-2011 03:25 PM
    • Replies: 2
    • Views: 1,413
    10-14-2011, 05:10 PM Go to last post
    • Replies: 2
    • Views: 2,050
    10-14-2011, 08:15 AM Go to last post
  58. Mammoth Heat/ Boiler

    Started by Sam Morris, 10-03-2011 04:39 PM
    • Replies: 8
    • Views: 1,489
    10-07-2011, 05:32 AM Go to last post
  59. undergroud oil storage tank vent?

    Started by Randall Clark, 10-03-2011 06:38 PM
    • Replies: 1
    • Views: 1,082
    10-04-2011, 05:00 AM Go to last post
  60. bathroom heater

    Started by Jason Schmidt, 01-15-2009 12:12 AM
    • Replies: 22
    • Views: 4,729
    09-29-2011, 01:46 PM Go to last post
  61. Compression Copper Gas fittings / pipes

    Started by Rich Sumen, 08-30-2011 08:40 PM
    • Replies: 4
    • Views: 4,812
    09-25-2011, 11:41 PM Go to last post
  62. 3 AC Condensors on One Breaker.

    Started by Keko Moore, 09-17-2011 08:06 AM
    • Replies: 6
    • Views: 2,901
    09-17-2011, 12:32 PM Go to last post
  63. Weil Mcclain boilers

    Started by mathew stouffer, 09-02-2011 06:07 AM
    • Replies: 3
    • Views: 2,947
    09-16-2011, 06:36 PM Go to last post
  64. 'Season' Compressor

    Started by Marc Morin, 09-01-2011 07:17 PM
    • Replies: 3
    • Views: 1,846
    09-16-2011, 06:31 PM Go to last post
  65. Commercial Ventilation

    Started by Gunnar Alquist, 09-04-2011 11:44 AM
    • Replies: 11
    • Views: 1,993
    09-16-2011, 07:37 AM Go to last post
  66. furnace flue damper

    Started by Greg Jenkins, 01-08-2009 10:36 AM
    • Replies: 7
    • Views: 8,229
    09-16-2011, 04:52 AM Go to last post
  67. Condensate from Condensing boiler

    Started by Steve D'Gerolamo, 01-11-2009 01:05 PM
    • Replies: 18
    • Views: 12,548
    09-12-2011, 12:29 AM Go to last post
  68. A/C coils

    Started by Dom D'Agostino, 09-03-2011 06:04 AM
    • Replies: 1
    • Views: 1,362
    09-03-2011, 07:52 AM Go to last post
  69. plastic Mylar bath ducting in attics

    Started by Michael Bronner, 09-02-2011 09:51 AM
    • Replies: 0
    • Views: 1,034
    09-02-2011, 09:51 AM Go to last post

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