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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: 13,534
    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: 27,484
    09-26-2014, 10:17 AM Go to last post
  1. 240V hydronic heating pump?

    Started by John Arnold, 06-28-2011 03:49 PM
    • Replies: 2
    • Views: 1,712
    06-28-2011, 07:08 PM Go to last post
  2. Rectangular flue pipe

    Started by Jon mackay, 06-28-2011 09:58 AM
    • Replies: 2
    • Views: 3,223
    06-28-2011, 03:49 PM Go to last post
  3. Hallmark Furnace age

    Started by Bryan Wilcox, 06-22-2011 06:37 AM
    • Replies: 0
    • Views: 5,053
    06-22-2011, 06:37 AM Go to last post
  4. Any ideas what this could be?

    Started by Stephen G Sheldon, 06-21-2011 07:29 AM
    • Replies: 5
    • Views: 1,808
    06-21-2011, 07:28 PM Go to last post
    • Replies: 19
    • Views: 8,703
    06-21-2011, 07:26 PM Go to last post
  5. If fan is "On" will compressor still come on?

    Started by Gene South, 08-08-2010 06:36 AM
    • Replies: 15
    • Views: 6,072
    06-20-2011, 02:11 PM Go to last post
  6. Exhaust location

    Started by Mitchell Chiger, 06-20-2011 08:41 AM
    • Replies: 0
    • Views: 1,454
    06-20-2011, 08:41 AM Go to last post
  7. Need Help finding Make of Furnace-A/C unit

    Started by C.Johnson, 06-18-2011 06:07 PM
    • Replies: 4
    • Views: 3,725
    06-19-2011, 06:00 PM Go to last post
  8. age of Weil Mclain boiler

    Started by Andy Shapley, 06-18-2011 03:22 PM
    • Replies: 2
    • Views: 3,893
    06-19-2011, 03:47 PM Go to last post
  9. This can't be right

    Started by Alan C Grubb, 06-17-2011 09:26 PM
    • Replies: 7
    • Views: 2,368
    06-19-2011, 01:29 PM Go to last post
  10. AC

    Started by Tony Vargas, 06-16-2011 07:16 PM
    • Replies: 3
    • Views: 2,462
    06-17-2011, 09:21 AM Go to last post
  11. water heat/space heat combo

    Started by Bert de Haan, 06-14-2011 08:46 PM
    • Replies: 0
    • Views: 1,329
    06-14-2011, 08:46 PM Go to last post
  12. Is this a heat pump?

    Started by Dan Sandweg, 06-10-2011 06:38 PM
    • Replies: 5
    • Views: 3,284
    06-11-2011, 10:29 PM Go to last post
  13. Convection heating?

    Started by mathew stouffer, 06-06-2011 06:16 AM
    • Replies: 6
    • Views: 2,554
    06-10-2011, 07:22 AM Go to last post
  14. Max bends of a furnace flue

    Started by Rich Sumen, 06-09-2011 01:57 PM
    • Replies: 2
    • Views: 11,722
    06-09-2011, 10:42 PM Go to last post
  15. Mixed vent materials

    Started by Matt Fellman, 06-07-2011 12:51 PM
    • Replies: 2
    • Views: 1,651
    06-08-2011, 02:26 PM Go to last post
  16. Electric wall mount space heaters

    Started by mathew stouffer, 05-20-2011 06:08 AM
    • Replies: 6
    • Views: 3,942
    06-08-2011, 11:57 AM Go to last post
  17. Singer Furnace Age

    Started by Kathleen Clinton, 06-07-2011 03:32 PM
    • Replies: 3
    • Views: 5,937
    06-07-2011, 10:40 PM Go to last post
  18. Condensate

    Started by Tom Rees, 06-07-2011 04:05 PM
    • Replies: 5
    • Views: 1,742
    06-07-2011, 07:45 PM Go to last post
  19. boiler installed in garage space - sort of

    Started by Andy Shapley, 06-07-2011 03:15 PM
    • Replies: 3
    • Views: 2,088
    06-07-2011, 05:02 PM Go to last post
  20. Water based heat pump

    Started by Dennis Robitaille, 06-01-2011 01:41 PM
    • Replies: 10
    • Views: 3,158
    06-07-2011, 12:41 PM Go to last post
  21. Dryer vent

    Started by Wade Johnson, 06-02-2011 07:48 AM
    • Replies: 4
    • Views: 5,344
    06-03-2011, 06:16 AM Go to last post
  22. Venting issue

    Started by Blain Plantz, 05-30-2011 05:34 PM
    • Replies: 6
    • Views: 2,183
    05-31-2011, 05:39 PM Go to last post
  23. What causes flame rollout or scorching?

    Started by Jon mackay, 05-23-2011 06:53 AM
    • Replies: 18
    • Views: 24,330
    05-30-2011, 07:56 PM Go to last post
  24. Gas burning furnace flue height in nyc

    Started by Tony Peluso, 04-04-2010 06:04 PM
    • Replies: 4
    • Views: 3,248
    05-30-2011, 09:16 AM Go to last post
  25. Make-up combustion air rqmt.

    Started by Bob Fuhrmann, 03-08-2011 02:32 PM
    • Replies: 13
    • Views: 4,653
    05-29-2011, 03:58 AM Go to last post
  26. Horizontal Duct to Plenum Connection Question

    Started by ed morales, 05-27-2011 09:48 AM
    • Replies: 5
    • Views: 4,680
    05-27-2011, 12:36 PM Go to last post
  27. Air handler plenum

    Started by william siegel, 04-18-2007 10:30 AM
    • Replies: 9
    • Views: 7,067
    05-27-2011, 09:58 AM Go to last post
  28. Whistling vent

    Started by Jon mackay, 05-23-2011 07:17 AM
    • Replies: 2
    • Views: 2,180
    05-24-2011, 06:06 AM Go to last post
  29. What Is It

    Started by Jim Robinson, 05-18-2011 08:49 PM
    • Replies: 5
    • Views: 1,862
    05-23-2011, 08:37 PM Go to last post
  30. Furnace venting, I'm on a roll

    Started by mathew stouffer, 05-20-2011 03:32 PM
    • Replies: 7
    • Views: 2,077
    05-23-2011, 08:42 AM Go to last post
  31. Gas company red tags furnace

    Started by mathew stouffer, 05-21-2011 07:35 AM
    • Replies: 4
    • Views: 3,760
    05-23-2011, 06:51 AM Go to last post
  32. Yikes!

    Started by Benjamin Thompson, 05-19-2011 08:46 PM
    • Replies: 6
    • Views: 1,872
    05-23-2011, 05:49 AM Go to last post
  33. dryer duct construction

    Started by John Arnold, 05-11-2011 01:27 PM
    • Replies: 7
    • Views: 3,095
    05-17-2011, 05:59 PM Go to last post
  34. Sealant on vent pipes

    Started by Norm Peery, 05-17-2011 04:30 PM
    • Replies: 0
    • Views: 1,611
    05-17-2011, 04:30 PM Go to last post
  35. Filter on HVAC System

    Started by Sam Morris, 05-16-2011 06:47 PM
    • Replies: 3
    • Views: 2,036
    05-17-2011, 09:06 AM Go to last post
  36. Single Unit Dual Zone System

    Started by James Duffin, 05-16-2011 07:01 PM
    • Replies: 2
    • Views: 3,350
    05-17-2011, 05:18 AM Go to last post
  37. Wooden plenum for unconditioned air?

    Started by Michael Thomas, 05-12-2011 02:22 PM
    • Replies: 3
    • Views: 2,333
    05-13-2011, 10:14 AM Go to last post
  38. Heat exchanger, gas hot water boiler

    Started by mathew stouffer, 05-11-2011 10:02 AM
    • Replies: 5
    • Views: 2,889
    05-12-2011, 07:09 AM Go to last post
  39. Pantina-like corrosion on condenser coil

    Started by Dave Hahn, 05-05-2011 12:28 PM
    • Replies: 9
    • Views: 3,694
    05-11-2011, 03:21 PM Go to last post
  40. Condensate line question

    Started by Marc M, 11-30-2009 10:53 PM
    • Replies: 19
    • Views: 8,619
    05-06-2011, 11:28 AM Go to last post
  41. No Return Air Plenum?

    Started by Rick Hurst, 04-21-2011 05:59 PM
    • Replies: 24
    • Views: 18,192
    05-06-2011, 09:35 AM Go to last post
  42. Radiant Heat systems

    Started by Fidel Gonzales, 05-01-2011 03:35 PM
    • Replies: 12
    • Views: 6,047
    05-06-2011, 06:54 AM Go to last post
  43. Return air in bathroom

    Started by Sam Morris, 05-04-2011 05:05 AM
    • Replies: 5
    • Views: 5,653
    05-06-2011, 06:47 AM Go to last post
  44. Unknown AC manufacturer

    Started by Don Horn, 05-05-2011 04:22 AM
    • Replies: 5
    • Views: 2,210
    05-05-2011, 06:26 AM Go to last post
  45. Real quick single wall clearance Q

    Started by Ross Neag, 05-04-2011 04:45 AM
    • Replies: 6
    • Views: 2,534
    05-05-2011, 05:44 AM Go to last post
  46. Geothermal System

    Started by Sam Morris, 04-14-2011 07:12 PM
    • Replies: 6
    • Views: 6,536
    05-02-2011, 07:54 AM Go to last post
  47. utica Boiler age

    Started by Bryan Wilcox, 05-01-2011 02:17 PM
    • Replies: 1
    • Views: 5,997
    05-01-2011, 02:47 PM Go to last post
  48. LP Tank - underground installation

    Started by Ken Amelin, 04-28-2011 11:24 AM
    • Replies: 4
    • Views: 5,197
    04-28-2011, 07:39 PM Go to last post
  49. Help Identify duct deterioation

    Started by Martin Muth, 04-22-2011 10:53 AM
    • Replies: 7
    • Views: 2,535
    04-28-2011, 11:56 AM Go to last post
  50. A/C Manufacturer?

    Started by Thomas Jones, 04-27-2011 09:37 PM
    • Replies: 3
    • Views: 2,483
    04-28-2011, 08:11 AM Go to last post
  51. Return Register on Ceiling

    Started by STEVEN CHUNG, 04-20-2011 11:21 AM
    • Replies: 4
    • Views: 2,714
    04-25-2011, 08:11 PM Go to last post
  52. Ancient Electric Furnace

    Started by Bob Ozbirn, 04-21-2011 06:57 PM
    • Replies: 5
    • Views: 2,376
    04-24-2011, 04:40 AM Go to last post
    • Replies: 7
    • Views: 4,815
    04-23-2011, 04:16 PM Go to last post
  53. Mitsubishi Air Conditioners

    Started by wayne soper, 04-20-2011 06:43 AM
    • Replies: 2
    • Views: 2,042
    04-23-2011, 03:12 PM Go to last post
  54. Storm collar

    Started by mathew stouffer, 04-11-2011 06:03 PM
    • Replies: 2
    • Views: 2,622
    04-19-2011, 05:43 AM Go to last post
  55. Unitary / York Air Conditioning products

    Started by Bruce Hutton, 04-14-2011 10:16 PM
    • Replies: 3
    • Views: 8,558
    04-17-2011, 09:03 PM Go to last post
    • Replies: 8
    • Views: 4,113
    04-15-2011, 02:48 PM Go to last post
  56. Max Vertical lift of Condensate pumps?

    Started by Bruce Ramsey, 04-09-2011 05:56 PM
    • Replies: 4
    • Views: 6,179
    04-10-2011, 10:02 AM Go to last post
  57. Direct Vent Furnace Venting Downhill

    Started by David Tontarski, 04-04-2011 04:46 AM
    • Replies: 7
    • Views: 5,336
    04-07-2011, 04:57 AM Go to last post
  58. 3" Pad Rule

    Started by Mike Birenbaum, 03-28-2011 09:59 AM
    • Replies: 14
    • Views: 6,614
    04-05-2011, 04:58 AM Go to last post
  59. filters in returns

    Started by John Arnold, 03-25-2011 02:11 PM
    • Replies: 9
    • Views: 3,512
    04-04-2011, 12:07 PM Go to last post
  60. A/C seemed to not be working.

    Started by Garry Sorrells, 04-01-2011 06:15 AM
    • Replies: 2
    • Views: 2,189
    04-01-2011, 08:11 AM Go to last post
  61. Fernco in furnace vent pipe

    Started by Scott Latosky, 03-27-2011 06:48 PM
    • Replies: 5
    • Views: 11,260
    03-28-2011, 03:59 AM Go to last post
  62. IMPROPER EXHAUST VENTS AND DRAIN PIPE

    Started by CHARLIE VAN FLEET, 03-22-2011 03:47 PM
    • Replies: 6
    • Views: 5,266
    03-26-2011, 04:42 PM Go to last post
  63. Ceil Heat

    Started by Jeffrey L. Mathis, 03-21-2011 03:30 PM
    • Replies: 10
    • Views: 7,540
    03-22-2011, 06:26 PM Go to last post
  64. Amana Furnace Age

    Started by Joe Dach, 03-11-2011 03:05 PM
    • Replies: 2
    • Views: 9,796
    03-21-2011, 05:21 PM Go to last post
  65. Tarnished vent at oil furnace

    Started by Jon mackay, 03-10-2011 04:51 PM
    • Replies: 15
    • Views: 3,041
    03-21-2011, 09:43 AM Go to last post
  66. Furnace / water heater venting

    Started by Bruce Hutton, 03-17-2011 05:52 AM
    • Replies: 5
    • Views: 4,568
    03-21-2011, 07:19 AM Go to last post
  67. Rubber radiant tubing identification help

    Started by Egbert Jager, 03-19-2011 07:00 PM
    • Replies: 4
    • Views: 4,492
    03-20-2011, 04:46 PM Go to last post
  68. When did the mechanical code first state this?

    Started by John Goad, 03-12-2011 07:03 PM
    • Replies: 3
    • Views: 3,035
    03-17-2011, 01:52 PM Go to last post
  69. Holy BLEEP!!!

    Started by Nick Ostrowski, 03-11-2011 11:49 AM
    • Replies: 4
    • Views: 1,997
    03-17-2011, 11:27 AM Go to last post
    • Replies: 7
    • Views: 17,455
    03-16-2011, 08:36 PM Go to last post
  70. Cat IV Condensate

    Started by Jim Robinson, 03-14-2011 06:30 PM
    • Replies: 2
    • Views: 2,005
    03-15-2011, 06:32 AM Go to last post

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