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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: 9,873
    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: 17,036
    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: 2,111
    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: 8,369
    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: 12,967
    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: 1,406
    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: 1,058
    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: 1,472
    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: 15,128
    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: 1,218
    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: 2,575
    08-22-2011, 05:01 PM Go to last post
    • Replies: 3
    • Views: 2,241
    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: 1,405
    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: 1,514
    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: 4,627
    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: 5,658
    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: 2,095
    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: 1,643
    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: 1,578
    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: 3,630
    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: 3,001
    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: 1,834
    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: 9,467
    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: 1,697
    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: 1,611
    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: 2,099
    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: 1,741
    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: 2,202
    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: 5,269
    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: 2,948
    07-20-2011, 02:30 PM Go to last post
    • Replies: 1
    • Views: 2,004
    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: 2,243
    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: 1,920
    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: 1,021
    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: 2,226
    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: 1,478
    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: 1,170
    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: 2,988
    07-01-2011, 09:08 PM Go to last post
    • Replies: 10
    • Views: 2,061
    07-01-2011, 07:28 PM Go to last post
    • Replies: 7
    • Views: 1,774
    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: 1,909
    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: 4,133
    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: 1,386
    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: 2,690
    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: 3,813
    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: 1,386
    06-21-2011, 07:28 PM Go to last post
    • Replies: 19
    • Views: 7,254
    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: 4,917
    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: 1,118
    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: 3,261
    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: 3,375
    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: 1,875
    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: 2,100
    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: 1,067
    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: 2,679
    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: 2,141
    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: 8,322
    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: 1,295
    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: 3,261
    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: 4,469
    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: 1,354
    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: 1,741
    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: 2,599
    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: 3,935
    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: 1,734
    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: 20,393
    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: 2,840
    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: 3,942
    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: 3,932
    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: 6,122
    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: 1,863
    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: 1,479
    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: 1,666
    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: 3,350
    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: 1,508
    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: 2,638
    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: 1,322
    05-17-2011, 04:30 PM Go to last post

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