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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: 9,639
    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: 16,033
    09-26-2014, 10:17 AM Go to last post
  1. Commercial Ventilation

    Started by Gunnar Alquist, 09-04-2011 11:44 AM
    • Replies: 11
    • Views: 2,063
    09-16-2011, 07:37 AM Go to last post
  2. furnace flue damper

    Started by Greg Jenkins, 01-08-2009 09:36 AM
    • Replies: 7
    • Views: 8,316
    09-16-2011, 04:52 AM Go to last post
  3. Condensate from Condensing boiler

    Started by Steve D'Gerolamo, 01-11-2009 12:05 PM
    • Replies: 18
    • Views: 12,809
    09-12-2011, 12:29 AM Go to last post
  4. A/C coils

    Started by Dom D'Agostino, 09-03-2011 06:04 AM
    • Replies: 1
    • Views: 1,390
    09-03-2011, 07:52 AM Go to last post
  5. plastic Mylar bath ducting in attics

    Started by Michael Bronner, 09-02-2011 09:51 AM
    • Replies: 0
    • Views: 1,044
    09-02-2011, 09:51 AM Go to last post
  6. 2 compressors, 1 FAU?

    Started by Tim Hoole, 08-29-2011 06:58 PM
    • Replies: 3
    • Views: 1,452
    08-31-2011, 07:00 AM Go to last post
  7. AC differential temps

    Started by Gerald Wilcox, 08-22-2011 09:01 PM
    • Replies: 13
    • Views: 14,496
    08-26-2011, 10:38 AM Go to last post
  8. Condensation line

    Started by Greg Hammond, 08-22-2011 09:21 AM
    • Replies: 2
    • Views: 1,203
    08-26-2011, 09:02 AM Go to last post
  9. Propane Gas pipe tape

    Started by Kathleen Clinton, 08-22-2011 01:24 PM
    • Replies: 3
    • Views: 2,554
    08-22-2011, 05:01 PM Go to last post
    • Replies: 3
    • Views: 2,228
    08-22-2011, 03:56 PM Go to last post
  10. Return air and fireplace

    Started by Richard Roshak, 08-20-2011 05:57 PM
    • Replies: 1
    • Views: 1,390
    08-22-2011, 07:57 AM Go to last post
  11. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 01:45 PM
    • Replies: 5
    • Views: 1,492
    08-20-2011, 06:52 PM Go to last post
  12. Upside down condensate trap?

    Started by sidney alstad, 08-04-2011 06:09 PM
    • Replies: 9
    • Views: 4,489
    08-16-2011, 08:29 AM Go to last post
  13. condensate trap not necessary

    Started by John Goad, 08-01-2011 01:50 PM
    • Replies: 10
    • Views: 5,531
    08-15-2011, 07:53 PM Go to last post
  14. 3' gas vent termination height

    Started by Chuck Kaatz, 08-11-2011 02:44 PM
    • Replies: 2
    • Views: 2,075
    08-12-2011, 05:25 PM Go to last post
  15. early hydro or swamp cooler

    Started by wayne soper, 08-11-2011 05:58 PM
    • Replies: 5
    • Views: 1,623
    08-12-2011, 04:29 PM Go to last post
  16. Listed gas appliance exhaust termiantion

    Started by Marc Morin, 08-06-2011 08:07 PM
    • Replies: 4
    • Views: 1,563
    08-08-2011, 05:32 PM Go to last post
  17. Age of HVAC

    Started by Jeff Zehnder, 08-08-2011 01:56 PM
    • Replies: 2
    • Views: 3,517
    08-08-2011, 04:55 PM Go to last post
  18. Round Pipe combustion air equivalency

    Started by Ross Neag, 07-02-2011 06:23 PM
    • Replies: 6
    • Views: 2,965
    08-04-2011, 06:43 PM Go to last post
  19. Inspectors' duties

    Started by timjimbob, 08-01-2011 06:27 AM
    • Replies: 3
    • Views: 1,811
    08-01-2011, 10:23 AM Go to last post
  20. Plywood duct work

    Started by Sam Morris, 07-06-2011 03:22 PM
    • Replies: 10
    • Views: 9,109
    07-31-2011, 09:11 AM Go to last post
  21. This House Was Smokin'

    Started by Bob Ozbirn, 07-28-2011 07:30 AM
    • Replies: 7
    • Views: 1,680
    07-29-2011, 12:38 PM Go to last post
  22. Vent in bath Enclosure?

    Started by Thomas Thayer, 07-20-2011 03:00 PM
    • Replies: 4
    • Views: 1,593
    07-29-2011, 07:56 AM Go to last post
  23. Correct sizing of unit for furnace

    Started by mickalene calavano, 07-19-2011 01:03 PM
    • Replies: 8
    • Views: 2,073
    07-29-2011, 07:52 AM Go to last post
  24. Test Condensation pump

    Started by Bob R, 07-22-2011 08:40 AM
    • Replies: 3
    • Views: 1,727
    07-25-2011, 08:12 AM Go to last post
  25. heat controller

    Started by wayne soper, 07-23-2011 06:11 AM
    • Replies: 5
    • Views: 2,175
    07-23-2011, 09:32 AM Go to last post
  26. Dryer duct venting

    Started by Steve C., 07-21-2011 07:47 AM
    • Replies: 7
    • Views: 5,116
    07-22-2011, 08:46 AM Go to last post
  27. Laundry room exhaust venting

    Started by Gregg Geiger, 07-20-2011 09:21 AM
    • Replies: 2
    • Views: 2,875
    07-20-2011, 02:30 PM Go to last post
    • Replies: 1
    • Views: 1,987
    07-19-2011, 07:02 PM Go to last post
  28. WHAT IS THIS??

    Started by Tony Escamilla, 07-18-2011 08:31 AM
    • Replies: 11
    • Views: 2,215
    07-19-2011, 11:14 AM Go to last post
  29. FED PAC STABLOCK AC DISCONNECT

    Started by Gene South, 07-16-2011 06:39 AM
    • Replies: 6
    • Views: 1,886
    07-17-2011, 01:24 PM Go to last post
  30. NM liquid tight, flexible conduit

    Started by brianmiller, 07-15-2011 01:53 PM
    • Replies: 0
    • Views: 1,007
    07-15-2011, 01:53 PM Go to last post
  31. Do you see a problem?

    Started by Tech 9 Home Inspections, 07-02-2011 11:10 AM
    • Replies: 16
    • Views: 2,185
    07-04-2011, 09:02 PM Go to last post
  32. Venting

    Started by Jon Scott, 07-04-2011 12:28 AM
    • Replies: 3
    • Views: 1,456
    07-04-2011, 09:47 AM Go to last post
  33. Comments please

    Started by Tech 9 Home Inspections, 07-02-2011 11:04 AM
    • Replies: 1
    • Views: 1,152
    07-04-2011, 07:32 AM Go to last post
  34. Age of a Carrier Condenser

    Started by Thomas Finnegan, 07-01-2011 01:19 PM
    • Replies: 2
    • Views: 2,975
    07-01-2011, 09:08 PM Go to last post
    • Replies: 10
    • Views: 2,049
    07-01-2011, 07:28 PM Go to last post
    • Replies: 7
    • Views: 1,761
    07-01-2011, 02:48 PM Go to last post
  35. Serviceman switch

    Started by Tom Rees, 06-30-2011 04:08 PM
    • Replies: 8
    • Views: 1,886
    07-01-2011, 01:20 PM Go to last post
  36. Red face HVAC ceiling mounted units

    Started by Brian Van Haselen, 06-26-2011 09:38 AM
    • Replies: 5
    • Views: 4,045
    06-28-2011, 07:41 PM Go to last post
  37. 240V hydronic heating pump?

    Started by John Arnold, 06-28-2011 03:49 PM
    • Replies: 2
    • Views: 1,372
    06-28-2011, 07:08 PM Go to last post
  38. Rectangular flue pipe

    Started by Jon mackay, 06-28-2011 09:58 AM
    • Replies: 2
    • Views: 2,663
    06-28-2011, 03:49 PM Go to last post
  39. Hallmark Furnace age

    Started by Bryan Wilcox, 06-22-2011 06:37 AM
    • Replies: 0
    • Views: 3,679
    06-22-2011, 06:37 AM Go to last post
  40. Any ideas what this could be?

    Started by Stephen G Sheldon, 06-21-2011 07:29 AM
    • Replies: 5
    • Views: 1,345
    06-21-2011, 07:28 PM Go to last post
    • Replies: 19
    • Views: 7,099
    06-21-2011, 07:26 PM Go to last post
  41. If fan is "On" will compressor still come on?

    Started by Gene South, 08-08-2010 06:36 AM
    • Replies: 15
    • Views: 4,767
    06-20-2011, 02:11 PM Go to last post
  42. Exhaust location

    Started by Mitchell Chiger, 06-20-2011 08:41 AM
    • Replies: 0
    • Views: 1,093
    06-20-2011, 08:41 AM Go to last post
  43. Need Help finding Make of Furnace-A/C unit

    Started by C.Johnson, 06-18-2011 06:07 PM
    • Replies: 4
    • Views: 3,230
    06-19-2011, 06:00 PM Go to last post
  44. age of Weil Mclain boiler

    Started by Andy Shapley, 06-18-2011 03:22 PM
    • Replies: 2
    • Views: 3,339
    06-19-2011, 03:47 PM Go to last post
  45. This can't be right

    Started by Alan C Grubb, 06-17-2011 09:26 PM
    • Replies: 7
    • Views: 1,838
    06-19-2011, 01:29 PM Go to last post
  46. AC

    Started by Tony Vargas, 06-16-2011 07:16 PM
    • Replies: 3
    • Views: 2,072
    06-17-2011, 09:21 AM Go to last post
  47. water heat/space heat combo

    Started by Bert de Haan, 06-14-2011 08:46 PM
    • Replies: 0
    • Views: 1,049
    06-14-2011, 08:46 PM Go to last post
  48. Is this a heat pump?

    Started by Dan Sandweg, 06-10-2011 06:38 PM
    • Replies: 5
    • Views: 2,637
    06-11-2011, 10:29 PM Go to last post
  49. Convection heating?

    Started by mathew stouffer, 06-06-2011 06:16 AM
    • Replies: 6
    • Views: 2,113
    06-10-2011, 07:22 AM Go to last post
  50. Max bends of a furnace flue

    Started by Rich Sumen, 06-09-2011 01:57 PM
    • Replies: 2
    • Views: 7,970
    06-09-2011, 10:42 PM Go to last post
  51. Mixed vent materials

    Started by Matt Fellman, 06-07-2011 12:51 PM
    • Replies: 2
    • Views: 1,272
    06-08-2011, 02:26 PM Go to last post
  52. Electric wall mount space heaters

    Started by mathew stouffer, 05-20-2011 06:08 AM
    • Replies: 6
    • Views: 3,195
    06-08-2011, 11:57 AM Go to last post
  53. Singer Furnace Age

    Started by Kathleen Clinton, 06-07-2011 03:32 PM
    • Replies: 3
    • Views: 4,346
    06-07-2011, 10:40 PM Go to last post
  54. Condensate

    Started by Tom Rees, 06-07-2011 04:05 PM
    • Replies: 5
    • Views: 1,317
    06-07-2011, 07:45 PM Go to last post
  55. boiler installed in garage space - sort of

    Started by Andy Shapley, 06-07-2011 03:15 PM
    • Replies: 3
    • Views: 1,723
    06-07-2011, 05:02 PM Go to last post
  56. Water based heat pump

    Started by Dennis Robitaille, 06-01-2011 01:41 PM
    • Replies: 10
    • Views: 2,548
    06-07-2011, 12:41 PM Go to last post
  57. Dryer vent

    Started by Wade Johnson, 06-02-2011 07:48 AM
    • Replies: 4
    • Views: 3,777
    06-03-2011, 06:16 AM Go to last post
  58. Venting issue

    Started by Blain Plantz, 05-30-2011 05:34 PM
    • Replies: 6
    • Views: 1,707
    05-31-2011, 05:39 PM Go to last post
  59. What causes flame rollout or scorching?

    Started by Jon mackay, 05-23-2011 06:53 AM
    • Replies: 18
    • Views: 19,860
    05-30-2011, 07:56 PM Go to last post
  60. Gas burning furnace flue height in nyc

    Started by Tony Peluso, 04-04-2010 06:04 PM
    • Replies: 4
    • Views: 2,804
    05-30-2011, 09:16 AM Go to last post
  61. Make-up combustion air rqmt.

    Started by Bob Fuhrmann, 03-08-2011 01:32 PM
    • Replies: 13
    • Views: 3,872
    05-29-2011, 03:58 AM Go to last post
  62. Horizontal Duct to Plenum Connection Question

    Started by ed morales, 05-27-2011 09:48 AM
    • Replies: 5
    • Views: 3,895
    05-27-2011, 12:36 PM Go to last post
  63. Air handler plenum

    Started by william siegel, 04-18-2007 10:30 AM
    • Replies: 9
    • Views: 6,064
    05-27-2011, 09:58 AM Go to last post
  64. Whistling vent

    Started by Jon mackay, 05-23-2011 07:17 AM
    • Replies: 2
    • Views: 1,832
    05-24-2011, 06:06 AM Go to last post
  65. What Is It

    Started by Jim Robinson, 05-18-2011 08:49 PM
    • Replies: 5
    • Views: 1,450
    05-23-2011, 08:37 PM Go to last post
  66. Furnace venting, I'm on a roll

    Started by mathew stouffer, 05-20-2011 03:32 PM
    • Replies: 7
    • Views: 1,626
    05-23-2011, 08:42 AM Go to last post
  67. Gas company red tags furnace

    Started by mathew stouffer, 05-21-2011 07:35 AM
    • Replies: 4
    • Views: 3,323
    05-23-2011, 06:51 AM Go to last post
  68. Yikes!

    Started by Benjamin Thompson, 05-19-2011 08:46 PM
    • Replies: 6
    • Views: 1,476
    05-23-2011, 05:49 AM Go to last post
  69. dryer duct construction

    Started by John Arnold, 05-11-2011 01:27 PM
    • Replies: 7
    • Views: 2,595
    05-17-2011, 05:59 PM Go to last post
  70. Sealant on vent pipes

    Started by Norm Peery, 05-17-2011 04:30 PM
    • Replies: 0
    • Views: 1,301
    05-17-2011, 04:30 PM Go to last post

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