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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: 10,194
    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: 18,115
    09-26-2014, 10:17 AM Go to last post
  1. Compression Copper Gas fittings / pipes

    Started by Rich Sumen, 08-30-2011 08:40 PM
    • Replies: 4
    • Views: 4,967
    09-25-2011, 11:41 PM Go to last post
  2. 3 AC Condensors on One Breaker.

    Started by Keko Moore, 09-17-2011 08:06 AM
    • Replies: 6
    • Views: 3,320
    09-17-2011, 12:32 PM Go to last post
  3. Weil Mcclain boilers

    Started by mathew stouffer, 09-02-2011 06:07 AM
    • Replies: 3
    • Views: 3,389
    09-16-2011, 06:36 PM Go to last post
  4. 'Season' Compressor

    Started by Marc Morin, 09-01-2011 07:17 PM
    • Replies: 3
    • Views: 1,933
    09-16-2011, 06:31 PM Go to last post
  5. Commercial Ventilation

    Started by Gunnar Alquist, 09-04-2011 11:44 AM
    • Replies: 11
    • Views: 2,149
    09-16-2011, 07:37 AM Go to last post
  6. furnace flue damper

    Started by Greg Jenkins, 01-08-2009 10:36 AM
    • Replies: 7
    • Views: 8,476
    09-16-2011, 04:52 AM Go to last post
  7. Condensate from Condensing boiler

    Started by Steve D'Gerolamo, 01-11-2009 01:05 PM
    • Replies: 18
    • Views: 13,107
    09-12-2011, 12:29 AM Go to last post
  8. A/C coils

    Started by Dom D'Agostino, 09-03-2011 06:04 AM
    • Replies: 1
    • Views: 1,424
    09-03-2011, 07:52 AM Go to last post
  9. plastic Mylar bath ducting in attics

    Started by Michael Bronner, 09-02-2011 09:51 AM
    • Replies: 0
    • Views: 1,070
    09-02-2011, 09:51 AM Go to last post
  10. 2 compressors, 1 FAU?

    Started by Tim Hoole, 08-29-2011 06:58 PM
    • Replies: 3
    • Views: 1,510
    08-31-2011, 07:00 AM Go to last post
  11. AC differential temps

    Started by Gerald Wilcox, 08-22-2011 09:01 PM
    • Replies: 13
    • Views: 15,381
    08-26-2011, 10:38 AM Go to last post
  12. Condensation line

    Started by Greg Hammond, 08-22-2011 09:21 AM
    • Replies: 2
    • Views: 1,238
    08-26-2011, 09:02 AM Go to last post
  13. Propane Gas pipe tape

    Started by Kathleen Clinton, 08-22-2011 01:24 PM
    • Replies: 3
    • Views: 2,599
    08-22-2011, 05:01 PM Go to last post
    • Replies: 3
    • Views: 2,278
    08-22-2011, 03:56 PM Go to last post
  14. Return air and fireplace

    Started by Richard Roshak, 08-20-2011 05:57 PM
    • Replies: 1
    • Views: 1,422
    08-22-2011, 07:57 AM Go to last post
  15. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 01:45 PM
    • Replies: 5
    • Views: 1,539
    08-20-2011, 06:52 PM Go to last post
  16. Upside down condensate trap?

    Started by sidney alstad, 08-04-2011 06:09 PM
    • Replies: 9
    • Views: 4,738
    08-16-2011, 08:29 AM Go to last post
  17. condensate trap not necessary

    Started by John Goad, 08-01-2011 01:50 PM
    • Replies: 10
    • Views: 5,745
    08-15-2011, 07:53 PM Go to last post
  18. 3' gas vent termination height

    Started by Chuck Kaatz, 08-11-2011 02:44 PM
    • Replies: 2
    • Views: 2,123
    08-12-2011, 05:25 PM Go to last post
  19. early hydro or swamp cooler

    Started by wayne soper, 08-11-2011 05:58 PM
    • Replies: 5
    • Views: 1,671
    08-12-2011, 04:29 PM Go to last post
  20. Listed gas appliance exhaust termiantion

    Started by Marc Morin, 08-06-2011 08:07 PM
    • Replies: 4
    • Views: 1,605
    08-08-2011, 05:32 PM Go to last post
  21. Age of HVAC

    Started by Jeff Zehnder, 08-08-2011 01:56 PM
    • Replies: 2
    • Views: 3,707
    08-08-2011, 04:55 PM Go to last post
  22. Round Pipe combustion air equivalency

    Started by Ross Neag, 07-02-2011 06:23 PM
    • Replies: 6
    • Views: 3,036
    08-04-2011, 06:43 PM Go to last post
  23. Inspectors' duties

    Started by timjimbob, 08-01-2011 06:27 AM
    • Replies: 3
    • Views: 1,861
    08-01-2011, 10:23 AM Go to last post
  24. Plywood duct work

    Started by Sam Morris, 07-06-2011 03:22 PM
    • Replies: 10
    • Views: 9,813
    07-31-2011, 09:11 AM Go to last post
  25. This House Was Smokin'

    Started by Bob Ozbirn, 07-28-2011 07:30 AM
    • Replies: 7
    • Views: 1,722
    07-29-2011, 12:38 PM Go to last post
  26. Vent in bath Enclosure?

    Started by Thomas Thayer, 07-20-2011 03:00 PM
    • Replies: 4
    • Views: 1,636
    07-29-2011, 07:56 AM Go to last post
  27. Correct sizing of unit for furnace

    Started by mickalene calavano, 07-19-2011 01:03 PM
    • Replies: 8
    • Views: 2,131
    07-29-2011, 07:52 AM Go to last post
  28. Test Condensation pump

    Started by Bob R, 07-22-2011 08:40 AM
    • Replies: 3
    • Views: 1,770
    07-25-2011, 08:12 AM Go to last post
  29. heat controller

    Started by wayne soper, 07-23-2011 06:11 AM
    • Replies: 5
    • Views: 2,231
    07-23-2011, 09:32 AM Go to last post
  30. Dryer duct venting

    Started by Steve C., 07-21-2011 07:47 AM
    • Replies: 7
    • Views: 5,406
    07-22-2011, 08:46 AM Go to last post
  31. Laundry room exhaust venting

    Started by Gregg Geiger, 07-20-2011 09:21 AM
    • Replies: 2
    • Views: 3,039
    07-20-2011, 02:30 PM Go to last post
    • Replies: 1
    • Views: 2,033
    07-19-2011, 07:02 PM Go to last post
  32. WHAT IS THIS??

    Started by Tony Escamilla, 07-18-2011 08:31 AM
    • Replies: 11
    • Views: 2,269
    07-19-2011, 11:14 AM Go to last post
  33. FED PAC STABLOCK AC DISCONNECT

    Started by Gene South, 07-16-2011 06:39 AM
    • Replies: 6
    • Views: 1,955
    07-17-2011, 01:24 PM Go to last post
  34. NM liquid tight, flexible conduit

    Started by brianmiller, 07-15-2011 01:53 PM
    • Replies: 0
    • Views: 1,048
    07-15-2011, 01:53 PM Go to last post
  35. Do you see a problem?

    Started by Tech 9 Home Inspections, 07-02-2011 11:10 AM
    • Replies: 16
    • Views: 2,311
    07-04-2011, 09:02 PM Go to last post
  36. Venting

    Started by Jon Scott, 07-04-2011 12:28 AM
    • Replies: 3
    • Views: 1,509
    07-04-2011, 09:47 AM Go to last post
  37. Comments please

    Started by Tech 9 Home Inspections, 07-02-2011 11:04 AM
    • Replies: 1
    • Views: 1,191
    07-04-2011, 07:32 AM Go to last post
  38. Age of a Carrier Condenser

    Started by Thomas Finnegan, 07-01-2011 01:19 PM
    • Replies: 2
    • Views: 3,014
    07-01-2011, 09:08 PM Go to last post
    • Replies: 10
    • Views: 2,089
    07-01-2011, 07:28 PM Go to last post
    • Replies: 7
    • Views: 1,800
    07-01-2011, 02:48 PM Go to last post
  39. Serviceman switch

    Started by Tom Rees, 06-30-2011 04:08 PM
    • Replies: 8
    • Views: 1,952
    07-01-2011, 01:20 PM Go to last post
  40. Red face HVAC ceiling mounted units

    Started by Brian Van Haselen, 06-26-2011 09:38 AM
    • Replies: 5
    • Views: 4,239
    06-28-2011, 07:41 PM Go to last post
  41. 240V hydronic heating pump?

    Started by John Arnold, 06-28-2011 03:49 PM
    • Replies: 2
    • Views: 1,431
    06-28-2011, 07:08 PM Go to last post
  42. Rectangular flue pipe

    Started by Jon mackay, 06-28-2011 09:58 AM
    • Replies: 2
    • Views: 2,759
    06-28-2011, 03:49 PM Go to last post
  43. Hallmark Furnace age

    Started by Bryan Wilcox, 06-22-2011 06:37 AM
    • Replies: 0
    • Views: 3,914
    06-22-2011, 06:37 AM Go to last post
  44. Any ideas what this could be?

    Started by Stephen G Sheldon, 06-21-2011 07:29 AM
    • Replies: 5
    • Views: 1,434
    06-21-2011, 07:28 PM Go to last post
    • Replies: 19
    • Views: 7,415
    06-21-2011, 07:26 PM Go to last post
  45. If fan is "On" will compressor still come on?

    Started by Gene South, 08-08-2010 06:36 AM
    • Replies: 15
    • Views: 5,049
    06-20-2011, 02:11 PM Go to last post
  46. Exhaust location

    Started by Mitchell Chiger, 06-20-2011 08:41 AM
    • Replies: 0
    • Views: 1,152
    06-20-2011, 08:41 AM Go to last post
  47. Need Help finding Make of Furnace-A/C unit

    Started by C.Johnson, 06-18-2011 06:07 PM
    • Replies: 4
    • Views: 3,312
    06-19-2011, 06:00 PM Go to last post
  48. age of Weil Mclain boiler

    Started by Andy Shapley, 06-18-2011 03:22 PM
    • Replies: 2
    • Views: 3,437
    06-19-2011, 03:47 PM Go to last post
  49. This can't be right

    Started by Alan C Grubb, 06-17-2011 09:26 PM
    • Replies: 7
    • Views: 1,919
    06-19-2011, 01:29 PM Go to last post
  50. AC

    Started by Tony Vargas, 06-16-2011 07:16 PM
    • Replies: 3
    • Views: 2,130
    06-17-2011, 09:21 AM Go to last post
  51. water heat/space heat combo

    Started by Bert de Haan, 06-14-2011 08:46 PM
    • Replies: 0
    • Views: 1,098
    06-14-2011, 08:46 PM Go to last post
  52. Is this a heat pump?

    Started by Dan Sandweg, 06-10-2011 06:38 PM
    • Replies: 5
    • Views: 2,738
    06-11-2011, 10:29 PM Go to last post
  53. Convection heating?

    Started by mathew stouffer, 06-06-2011 06:16 AM
    • Replies: 6
    • Views: 2,194
    06-10-2011, 07:22 AM Go to last post
  54. Max bends of a furnace flue

    Started by Rich Sumen, 06-09-2011 01:57 PM
    • Replies: 2
    • Views: 8,728
    06-09-2011, 10:42 PM Go to last post
  55. Mixed vent materials

    Started by Matt Fellman, 06-07-2011 12:51 PM
    • Replies: 2
    • Views: 1,332
    06-08-2011, 02:26 PM Go to last post
  56. Electric wall mount space heaters

    Started by mathew stouffer, 05-20-2011 06:08 AM
    • Replies: 6
    • Views: 3,339
    06-08-2011, 11:57 AM Go to last post
  57. Singer Furnace Age

    Started by Kathleen Clinton, 06-07-2011 03:32 PM
    • Replies: 3
    • Views: 4,615
    06-07-2011, 10:40 PM Go to last post
  58. Condensate

    Started by Tom Rees, 06-07-2011 04:05 PM
    • Replies: 5
    • Views: 1,391
    06-07-2011, 07:45 PM Go to last post
  59. boiler installed in garage space - sort of

    Started by Andy Shapley, 06-07-2011 03:15 PM
    • Replies: 3
    • Views: 1,771
    06-07-2011, 05:02 PM Go to last post
  60. Water based heat pump

    Started by Dennis Robitaille, 06-01-2011 01:41 PM
    • Replies: 10
    • Views: 2,648
    06-07-2011, 12:41 PM Go to last post
  61. Dryer vent

    Started by Wade Johnson, 06-02-2011 07:48 AM
    • Replies: 4
    • Views: 4,058
    06-03-2011, 06:16 AM Go to last post
  62. Venting issue

    Started by Blain Plantz, 05-30-2011 05:34 PM
    • Replies: 6
    • Views: 1,765
    05-31-2011, 05:39 PM Go to last post
  63. What causes flame rollout or scorching?

    Started by Jon mackay, 05-23-2011 06:53 AM
    • Replies: 18
    • Views: 20,971
    05-30-2011, 07:56 PM Go to last post
  64. Gas burning furnace flue height in nyc

    Started by Tony Peluso, 04-04-2010 06:04 PM
    • Replies: 4
    • Views: 2,886
    05-30-2011, 09:16 AM Go to last post
  65. Make-up combustion air rqmt.

    Started by Bob Fuhrmann, 03-08-2011 02:32 PM
    • Replies: 13
    • Views: 4,022
    05-29-2011, 03:58 AM Go to last post
  66. Horizontal Duct to Plenum Connection Question

    Started by ed morales, 05-27-2011 09:48 AM
    • Replies: 5
    • Views: 3,974
    05-27-2011, 12:36 PM Go to last post
  67. Air handler plenum

    Started by william siegel, 04-18-2007 10:30 AM
    • Replies: 9
    • Views: 6,196
    05-27-2011, 09:58 AM Go to last post
  68. Whistling vent

    Started by Jon mackay, 05-23-2011 07:17 AM
    • Replies: 2
    • Views: 1,899
    05-24-2011, 06:06 AM Go to last post
  69. What Is It

    Started by Jim Robinson, 05-18-2011 08:49 PM
    • Replies: 5
    • Views: 1,534
    05-23-2011, 08:37 PM Go to last post
  70. Furnace venting, I'm on a roll

    Started by mathew stouffer, 05-20-2011 03:32 PM
    • Replies: 7
    • Views: 1,716
    05-23-2011, 08:42 AM Go to last post

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