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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: 8,379
    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: 11,871
    09-26-2014, 10:17 AM Go to last post
  1. Round Pipe combustion air equivalency

    Started by Ross Neag, 07-02-2011 06:23 PM
    • Replies: 6
    • Views: 2,776
    08-04-2011, 06:43 PM Go to last post
  2. Inspectors' duties

    Started by timjimbob, 08-01-2011 06:27 AM
    • Replies: 3
    • Views: 1,628
    08-01-2011, 10:23 AM Go to last post
  3. Plywood duct work

    Started by Sam Morris, 07-06-2011 03:22 PM
    • Replies: 10
    • Views: 7,965
    07-31-2011, 09:11 AM Go to last post
  4. This House Was Smokin'

    Started by Bob Ozbirn, 07-28-2011 07:30 AM
    • Replies: 7
    • Views: 1,573
    07-29-2011, 12:38 PM Go to last post
  5. Vent in bath Enclosure?

    Started by Thomas Thayer, 07-20-2011 03:00 PM
    • Replies: 4
    • Views: 1,503
    07-29-2011, 07:56 AM Go to last post
  6. Correct sizing of unit for furnace

    Started by mickalene calavano, 07-19-2011 01:03 PM
    • Replies: 8
    • Views: 1,937
    07-29-2011, 07:52 AM Go to last post
  7. Test Condensation pump

    Started by Bob R, 07-22-2011 08:40 AM
    • Replies: 3
    • Views: 1,610
    07-25-2011, 08:12 AM Go to last post
  8. heat controller

    Started by wayne soper, 07-23-2011 06:11 AM
    • Replies: 5
    • Views: 2,032
    07-23-2011, 09:32 AM Go to last post
  9. Dryer duct venting

    Started by Steve C., 07-21-2011 07:47 AM
    • Replies: 7
    • Views: 4,601
    07-22-2011, 08:46 AM Go to last post
  10. Laundry room exhaust venting

    Started by Gregg Geiger, 07-20-2011 09:21 AM
    • Replies: 2
    • Views: 2,692
    07-20-2011, 02:30 PM Go to last post
    • Replies: 1
    • Views: 1,891
    07-19-2011, 07:02 PM Go to last post
  11. WHAT IS THIS??

    Started by Tony Escamilla, 07-18-2011 08:31 AM
    • Replies: 11
    • Views: 2,068
    07-19-2011, 11:14 AM Go to last post
  12. FED PAC STABLOCK AC DISCONNECT

    Started by Gene South, 07-16-2011 06:39 AM
    • Replies: 6
    • Views: 1,738
    07-17-2011, 01:24 PM Go to last post
  13. NM liquid tight, flexible conduit

    Started by brianmiller, 07-15-2011 01:53 PM
    • Replies: 0
    • Views: 936
    07-15-2011, 01:53 PM Go to last post
  14. Do you see a problem?

    Started by Tech 9 Home Inspections, 07-02-2011 11:10 AM
    • Replies: 16
    • Views: 1,893
    07-04-2011, 09:02 PM Go to last post
  15. Venting

    Started by Jon Scott, 07-04-2011 12:28 AM
    • Replies: 3
    • Views: 1,339
    07-04-2011, 09:47 AM Go to last post
  16. Comments please

    Started by Tech 9 Home Inspections, 07-02-2011 11:04 AM
    • Replies: 1
    • Views: 1,091
    07-04-2011, 07:32 AM Go to last post
  17. Age of a Carrier Condenser

    Started by Thomas Finnegan, 07-01-2011 01:19 PM
    • Replies: 2
    • Views: 2,827
    07-01-2011, 09:08 PM Go to last post
    • Replies: 10
    • Views: 1,925
    07-01-2011, 07:28 PM Go to last post
    • Replies: 7
    • Views: 1,626
    07-01-2011, 02:48 PM Go to last post
  18. Serviceman switch

    Started by Tom Rees, 06-30-2011 04:08 PM
    • Replies: 8
    • Views: 1,717
    07-01-2011, 01:20 PM Go to last post
  19. Red face HVAC ceiling mounted units

    Started by Brian Van Haselen, 06-26-2011 09:38 AM
    • Replies: 5
    • Views: 3,629
    06-28-2011, 07:41 PM Go to last post
  20. 240V hydronic heating pump?

    Started by John Arnold, 06-28-2011 03:49 PM
    • Replies: 2
    • Views: 1,247
    06-28-2011, 07:08 PM Go to last post
  21. Rectangular flue pipe

    Started by Jon mackay, 06-28-2011 09:58 AM
    • Replies: 2
    • Views: 2,445
    06-28-2011, 03:49 PM Go to last post
  22. Hallmark Furnace age

    Started by Bryan Wilcox, 06-22-2011 06:37 AM
    • Replies: 0
    • Views: 3,205
    06-22-2011, 06:37 AM Go to last post
  23. Any ideas what this could be?

    Started by Stephen G Sheldon, 06-21-2011 07:29 AM
    • Replies: 5
    • Views: 1,173
    06-21-2011, 07:28 PM Go to last post
    • Replies: 19
    • Views: 6,431
    06-21-2011, 07:26 PM Go to last post
  24. If fan is "On" will compressor still come on?

    Started by Gene South, 08-08-2010 06:36 AM
    • Replies: 15
    • Views: 4,247
    06-20-2011, 02:11 PM Go to last post
  25. Exhaust location

    Started by Mitchell Chiger, 06-20-2011 08:41 AM
    • Replies: 0
    • Views: 985
    06-20-2011, 08:41 AM Go to last post
  26. Need Help finding Make of Furnace-A/C unit

    Started by C.Johnson, 06-18-2011 06:07 PM
    • Replies: 4
    • Views: 3,070
    06-19-2011, 06:00 PM Go to last post
  27. age of Weil Mclain boiler

    Started by Andy Shapley, 06-18-2011 03:22 PM
    • Replies: 2
    • Views: 3,131
    06-19-2011, 03:47 PM Go to last post
  28. This can't be right

    Started by Alan C Grubb, 06-17-2011 09:26 PM
    • Replies: 7
    • Views: 1,648
    06-19-2011, 01:29 PM Go to last post
  29. AC

    Started by Tony Vargas, 06-16-2011 07:16 PM
    • Replies: 3
    • Views: 1,939
    06-17-2011, 09:21 AM Go to last post
  30. water heat/space heat combo

    Started by Bert de Haan, 06-14-2011 08:46 PM
    • Replies: 0
    • Views: 966
    06-14-2011, 08:46 PM Go to last post
  31. Is this a heat pump?

    Started by Dan Sandweg, 06-10-2011 06:38 PM
    • Replies: 5
    • Views: 2,435
    06-11-2011, 10:29 PM Go to last post
  32. Convection heating?

    Started by mathew stouffer, 06-06-2011 06:16 AM
    • Replies: 6
    • Views: 1,887
    06-10-2011, 07:22 AM Go to last post
  33. Max bends of a furnace flue

    Started by Rich Sumen, 06-09-2011 01:57 PM
    • Replies: 2
    • Views: 6,893
    06-09-2011, 10:42 PM Go to last post
  34. Mixed vent materials

    Started by Matt Fellman, 06-07-2011 12:51 PM
    • Replies: 2
    • Views: 1,129
    06-08-2011, 02:26 PM Go to last post
  35. Electric wall mount space heaters

    Started by mathew stouffer, 05-20-2011 06:08 AM
    • Replies: 6
    • Views: 2,885
    06-08-2011, 11:57 AM Go to last post
  36. Singer Furnace Age

    Started by Kathleen Clinton, 06-07-2011 03:32 PM
    • Replies: 3
    • Views: 3,869
    06-07-2011, 10:40 PM Go to last post
  37. Condensate

    Started by Tom Rees, 06-07-2011 04:05 PM
    • Replies: 5
    • Views: 1,168
    06-07-2011, 07:45 PM Go to last post
  38. boiler installed in garage space - sort of

    Started by Andy Shapley, 06-07-2011 03:15 PM
    • Replies: 3
    • Views: 1,536
    06-07-2011, 05:02 PM Go to last post
  39. Water based heat pump

    Started by Dennis Robitaille, 06-01-2011 01:41 PM
    • Replies: 10
    • Views: 2,347
    06-07-2011, 12:41 PM Go to last post
  40. Dryer vent

    Started by Wade Johnson, 06-02-2011 07:48 AM
    • Replies: 4
    • Views: 3,276
    06-03-2011, 06:16 AM Go to last post
  41. Venting issue

    Started by Blain Plantz, 05-30-2011 05:34 PM
    • Replies: 6
    • Views: 1,535
    05-31-2011, 05:39 PM Go to last post
  42. What causes flame rollout or scorching?

    Started by Jon mackay, 05-23-2011 06:53 AM
    • Replies: 18
    • Views: 17,731
    05-30-2011, 07:56 PM Go to last post
  43. Gas burning furnace flue height in nyc

    Started by Tony Peluso, 04-04-2010 06:04 PM
    • Replies: 4
    • Views: 2,629
    05-30-2011, 09:16 AM Go to last post
  44. Make-up combustion air rqmt.

    Started by Bob Fuhrmann, 03-08-2011 01:32 PM
    • Replies: 13
    • Views: 3,544
    05-29-2011, 03:58 AM Go to last post
  45. Horizontal Duct to Plenum Connection Question

    Started by ed morales, 05-27-2011 09:48 AM
    • Replies: 5
    • Views: 3,610
    05-27-2011, 12:36 PM Go to last post
  46. Air handler plenum

    Started by william siegel, 04-18-2007 10:30 AM
    • Replies: 9
    • Views: 5,732
    05-27-2011, 09:58 AM Go to last post
  47. Whistling vent

    Started by Jon mackay, 05-23-2011 07:17 AM
    • Replies: 2
    • Views: 1,713
    05-24-2011, 06:06 AM Go to last post
  48. What Is It

    Started by Jim Robinson, 05-18-2011 08:49 PM
    • Replies: 5
    • Views: 1,330
    05-23-2011, 08:37 PM Go to last post
  49. Furnace venting, I'm on a roll

    Started by mathew stouffer, 05-20-2011 03:32 PM
    • Replies: 7
    • Views: 1,472
    05-23-2011, 08:42 AM Go to last post
  50. Gas company red tags furnace

    Started by mathew stouffer, 05-21-2011 07:35 AM
    • Replies: 4
    • Views: 3,163
    05-23-2011, 06:51 AM Go to last post
  51. Yikes!

    Started by Benjamin Thompson, 05-19-2011 08:46 PM
    • Replies: 6
    • Views: 1,326
    05-23-2011, 05:49 AM Go to last post
  52. dryer duct construction

    Started by John Arnold, 05-11-2011 01:27 PM
    • Replies: 7
    • Views: 2,394
    05-17-2011, 05:59 PM Go to last post
  53. Sealant on vent pipes

    Started by Norm Peery, 05-17-2011 04:30 PM
    • Replies: 0
    • Views: 1,216
    05-17-2011, 04:30 PM Go to last post
  54. Filter on HVAC System

    Started by Sam Morris, 05-16-2011 06:47 PM
    • Replies: 3
    • Views: 1,515
    05-17-2011, 09:06 AM Go to last post
  55. Single Unit Dual Zone System

    Started by James Duffin, 05-16-2011 07:01 PM
    • Replies: 2
    • Views: 2,840
    05-17-2011, 05:18 AM Go to last post
  56. Wooden plenum for unconditioned air?

    Started by Michael Thomas, 05-12-2011 02:22 PM
    • Replies: 3
    • Views: 1,910
    05-13-2011, 10:14 AM Go to last post
  57. Heat exchanger, gas hot water boiler

    Started by mathew stouffer, 05-11-2011 10:02 AM
    • Replies: 5
    • Views: 2,326
    05-12-2011, 07:09 AM Go to last post
  58. Pantina-like corrosion on condenser coil

    Started by Dave Hahn, 05-05-2011 12:28 PM
    • Replies: 9
    • Views: 2,964
    05-11-2011, 03:21 PM Go to last post
  59. Condensate line question

    Started by Marc M, 11-30-2009 09:53 PM
    • Replies: 19
    • Views: 5,858
    05-06-2011, 11:28 AM Go to last post
  60. No Return Air Plenum?

    Started by Rick Hurst, 04-21-2011 05:59 PM
    • Replies: 24
    • Views: 13,792
    05-06-2011, 09:35 AM Go to last post
  61. Radiant Heat systems

    Started by fidel gonzales, 05-01-2011 03:35 PM
    • Replies: 12
    • Views: 4,529
    05-06-2011, 06:54 AM Go to last post
  62. Return air in bathroom

    Started by Sam Morris, 05-04-2011 05:05 AM
    • Replies: 5
    • Views: 3,850
    05-06-2011, 06:47 AM Go to last post
  63. Unknown AC manufacturer

    Started by Don Horn, 05-05-2011 04:22 AM
    • Replies: 5
    • Views: 1,609
    05-05-2011, 06:26 AM Go to last post
  64. Real quick single wall clearance Q

    Started by Ross Neag, 05-04-2011 04:45 AM
    • Replies: 6
    • Views: 1,888
    05-05-2011, 05:44 AM Go to last post
  65. Geothermal System

    Started by Sam Morris, 04-14-2011 07:12 PM
    • Replies: 6
    • Views: 4,666
    05-02-2011, 07:54 AM Go to last post
  66. utica Boiler age

    Started by Bryan Wilcox, 05-01-2011 02:17 PM
    • Replies: 1
    • Views: 3,874
    05-01-2011, 02:47 PM Go to last post
  67. LP Tank - underground installation

    Started by Ken Amelin, 04-28-2011 11:24 AM
    • Replies: 4
    • Views: 4,416
    04-28-2011, 07:39 PM Go to last post
  68. Help Identify duct deterioation

    Started by Martin Muth, 04-22-2011 10:53 AM
    • Replies: 7
    • Views: 1,870
    04-28-2011, 11:56 AM Go to last post
  69. A/C Manufacturer?

    Started by Thomas Jones, 04-27-2011 09:37 PM
    • Replies: 3
    • Views: 1,931
    04-28-2011, 08:11 AM Go to last post
  70. Return Register on Ceiling

    Started by STEVEN CHUNG, 04-20-2011 11:21 AM
    • Replies: 4
    • Views: 2,172
    04-25-2011, 08:11 PM Go to last post
  71. Ancient Electric Furnace

    Started by Bob Ozbirn, 04-21-2011 06:57 PM
    • Replies: 5
    • Views: 1,758
    04-24-2011, 04:40 AM Go to last post

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