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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 02:26 PM
    • Replies: 2
    • Views: 8,946
    04-09-2016, 08:33 PM Go to last post
  2. Sticky Thread Sticky: Furnace Age Information

    Started by Brian Hannigan, 07-24-2013 02:04 PM
    • Replies: 4
    • Views: 13,509
    09-26-2014, 11:17 AM Go to last post
  1. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 02:45 PM
    • Replies: 5
    • Views: 1,411
    08-20-2011, 07:52 PM Go to last post
  2. Upside down condensate trap?

    Started by sidney alstad, 08-04-2011 07:09 PM
    • Replies: 9
    • Views: 4,136
    08-16-2011, 09:29 AM Go to last post
  3. condensate trap not necessary

    Started by John Goad, 08-01-2011 02:50 PM
    • Replies: 10
    • Views: 5,152
    08-15-2011, 08:53 PM Go to last post
  4. 3' gas vent termination height

    Started by Chuck Kaatz, 08-11-2011 03:44 PM
    • Replies: 2
    • Views: 1,996
    08-12-2011, 06:25 PM Go to last post
  5. early hydro or swamp cooler

    Started by wayne soper, 08-11-2011 06:58 PM
    • Replies: 5
    • Views: 1,561
    08-12-2011, 05:29 PM Go to last post
  6. Listed gas appliance exhaust termiantion

    Started by Marc Morin, 08-06-2011 09:07 PM
    • Replies: 4
    • Views: 1,488
    08-08-2011, 06:32 PM Go to last post
  7. Age of HVAC

    Started by Jeff Zehnder, 08-08-2011 02:56 PM
    • Replies: 2
    • Views: 3,246
    08-08-2011, 05:55 PM Go to last post
  8. Round Pipe combustion air equivalency

    Started by Ross Neag, 07-02-2011 07:23 PM
    • Replies: 6
    • Views: 2,862
    08-04-2011, 07:43 PM Go to last post
  9. Inspectors' duties

    Started by timjimbob, 08-01-2011 07:27 AM
    • Replies: 3
    • Views: 1,701
    08-01-2011, 11:23 AM Go to last post
  10. Plywood duct work

    Started by Sam Morris, 07-06-2011 04:22 PM
    • Replies: 10
    • Views: 8,396
    07-31-2011, 10:11 AM Go to last post
  11. This House Was Smokin'

    Started by Bob Ozbirn, 07-28-2011 08:30 AM
    • Replies: 7
    • Views: 1,617
    07-29-2011, 01:38 PM Go to last post
  12. Vent in bath Enclosure?

    Started by Thomas Thayer, 07-20-2011 04:00 PM
    • Replies: 4
    • Views: 1,536
    07-29-2011, 08:56 AM Go to last post
  13. Correct sizing of unit for furnace

    Started by mickalene calavano, 07-19-2011 02:03 PM
    • Replies: 8
    • Views: 1,983
    07-29-2011, 08:52 AM Go to last post
  14. Test Condensation pump

    Started by Bob R, 07-22-2011 09:40 AM
    • Replies: 3
    • Views: 1,650
    07-25-2011, 09:12 AM Go to last post
  15. heat controller

    Started by wayne soper, 07-23-2011 07:11 AM
    • Replies: 5
    • Views: 2,084
    07-23-2011, 10:32 AM Go to last post
  16. Dryer duct venting

    Started by Steve C., 07-21-2011 08:47 AM
    • Replies: 7
    • Views: 4,795
    07-22-2011, 09:46 AM Go to last post
  17. Laundry room exhaust venting

    Started by Gregg Geiger, 07-20-2011 10:21 AM
    • Replies: 2
    • Views: 2,732
    07-20-2011, 03:30 PM Go to last post
    • Replies: 1
    • Views: 1,931
    07-19-2011, 08:02 PM Go to last post
  18. WHAT IS THIS??

    Started by Tony Escamilla, 07-18-2011 09:31 AM
    • Replies: 11
    • Views: 2,122
    07-19-2011, 12:14 PM Go to last post
  19. FED PAC STABLOCK AC DISCONNECT

    Started by Gene South, 07-16-2011 07:39 AM
    • Replies: 6
    • Views: 1,779
    07-17-2011, 02:24 PM Go to last post
  20. NM liquid tight, flexible conduit

    Started by brianmiller, 07-15-2011 02:53 PM
    • Replies: 0
    • Views: 971
    07-15-2011, 02:53 PM Go to last post
  21. Do you see a problem?

    Started by Tech 9 Home Inspections, 07-02-2011 12:10 PM
    • Replies: 16
    • Views: 1,991
    07-04-2011, 10:02 PM Go to last post
  22. Venting

    Started by Jon Scott, 07-04-2011 01:28 AM
    • Replies: 3
    • Views: 1,372
    07-04-2011, 10:47 AM Go to last post
  23. Comments please

    Started by Tech 9 Home Inspections, 07-02-2011 12:04 PM
    • Replies: 1
    • Views: 1,108
    07-04-2011, 08:32 AM Go to last post
  24. Age of a Carrier Condenser

    Started by Thomas Finnegan, 07-01-2011 02:19 PM
    • Replies: 2
    • Views: 2,900
    07-01-2011, 10:08 PM Go to last post
    • Replies: 10
    • Views: 1,974
    07-01-2011, 08:28 PM Go to last post
    • Replies: 7
    • Views: 1,688
    07-01-2011, 03:48 PM Go to last post
  25. Serviceman switch

    Started by Tom Rees, 06-30-2011 05:08 PM
    • Replies: 8
    • Views: 1,784
    07-01-2011, 02:20 PM Go to last post
  26. Red face HVAC ceiling mounted units

    Started by Brian Van Haselen, 06-26-2011 10:38 AM
    • Replies: 5
    • Views: 3,780
    06-28-2011, 08:41 PM Go to last post
  27. 240V hydronic heating pump?

    Started by John Arnold, 06-28-2011 04:49 PM
    • Replies: 2
    • Views: 1,287
    06-28-2011, 08:08 PM Go to last post
  28. Rectangular flue pipe

    Started by Jon mackay, 06-28-2011 10:58 AM
    • Replies: 2
    • Views: 2,539
    06-28-2011, 04:49 PM Go to last post
  29. Hallmark Furnace age

    Started by Bryan Wilcox, 06-22-2011 07:37 AM
    • Replies: 0
    • Views: 3,356
    06-22-2011, 07:37 AM Go to last post
  30. Any ideas what this could be?

    Started by Stephen G Sheldon, 06-21-2011 08:29 AM
    • Replies: 5
    • Views: 1,231
    06-21-2011, 08:28 PM Go to last post
    • Replies: 19
    • Views: 6,704
    06-21-2011, 08:26 PM Go to last post
  31. If fan is "On" will compressor still come on?

    Started by Gene South, 08-08-2010 07:36 AM
    • Replies: 15
    • Views: 4,404
    06-20-2011, 03:11 PM Go to last post
  32. Exhaust location

    Started by Mitchell Chiger, 06-20-2011 09:41 AM
    • Replies: 0
    • Views: 1,023
    06-20-2011, 09:41 AM Go to last post
  33. Need Help finding Make of Furnace-A/C unit

    Started by C.Johnson, 06-18-2011 07:07 PM
    • Replies: 4
    • Views: 3,124
    06-19-2011, 07:00 PM Go to last post
  34. age of Weil Mclain boiler

    Started by Andy Shapley, 06-18-2011 04:22 PM
    • Replies: 2
    • Views: 3,202
    06-19-2011, 04:47 PM Go to last post
  35. This can't be right

    Started by Alan C Grubb, 06-17-2011 10:26 PM
    • Replies: 7
    • Views: 1,702
    06-19-2011, 02:29 PM Go to last post
  36. AC

    Started by Tony Vargas, 06-16-2011 08:16 PM
    • Replies: 3
    • Views: 1,975
    06-17-2011, 10:21 AM Go to last post
  37. water heat/space heat combo

    Started by Bert de Haan, 06-14-2011 09:46 PM
    • Replies: 0
    • Views: 988
    06-14-2011, 09:46 PM Go to last post
  38. Is this a heat pump?

    Started by Dan Sandweg, 06-10-2011 07:38 PM
    • Replies: 5
    • Views: 2,496
    06-11-2011, 11:29 PM Go to last post
  39. Convection heating?

    Started by mathew stouffer, 06-06-2011 07:16 AM
    • Replies: 6
    • Views: 1,975
    06-10-2011, 08:22 AM Go to last post
  40. Max bends of a furnace flue

    Started by Rich Sumen, 06-09-2011 02:57 PM
    • Replies: 2
    • Views: 7,356
    06-09-2011, 11:42 PM Go to last post
  41. Mixed vent materials

    Started by Matt Fellman, 06-07-2011 01:51 PM
    • Replies: 2
    • Views: 1,190
    06-08-2011, 03:26 PM Go to last post
  42. Electric wall mount space heaters

    Started by mathew stouffer, 05-20-2011 07:08 AM
    • Replies: 6
    • Views: 3,006
    06-08-2011, 12:57 PM Go to last post
  43. Singer Furnace Age

    Started by Kathleen Clinton, 06-07-2011 04:32 PM
    • Replies: 3
    • Views: 4,028
    06-07-2011, 11:40 PM Go to last post
  44. Condensate

    Started by Tom Rees, 06-07-2011 05:05 PM
    • Replies: 5
    • Views: 1,222
    06-07-2011, 08:45 PM Go to last post
  45. boiler installed in garage space - sort of

    Started by Andy Shapley, 06-07-2011 04:15 PM
    • Replies: 3
    • Views: 1,605
    06-07-2011, 06:02 PM Go to last post
  46. Water based heat pump

    Started by Dennis Robitaille, 06-01-2011 02:41 PM
    • Replies: 10
    • Views: 2,418
    06-07-2011, 01:41 PM Go to last post
  47. Dryer vent

    Started by Wade Johnson, 06-02-2011 08:48 AM
    • Replies: 4
    • Views: 3,479
    06-03-2011, 07:16 AM Go to last post
  48. Venting issue

    Started by Blain Plantz, 05-30-2011 06:34 PM
    • Replies: 6
    • Views: 1,605
    05-31-2011, 06:39 PM Go to last post
  49. What causes flame rollout or scorching?

    Started by Jon mackay, 05-23-2011 07:53 AM
    • Replies: 18
    • Views: 18,792
    05-30-2011, 08:56 PM Go to last post
  50. Gas burning furnace flue height in nyc

    Started by Tony Peluso, 04-04-2010 07:04 PM
    • Replies: 4
    • Views: 2,690
    05-30-2011, 10:16 AM Go to last post
  51. Make-up combustion air rqmt.

    Started by Bob Fuhrmann, 03-08-2011 02:32 PM
    • Replies: 13
    • Views: 3,673
    05-29-2011, 04:58 AM Go to last post
  52. Horizontal Duct to Plenum Connection Question

    Started by ed morales, 05-27-2011 10:48 AM
    • Replies: 5
    • Views: 3,722
    05-27-2011, 01:36 PM Go to last post
  53. Air handler plenum

    Started by william siegel, 04-18-2007 11:30 AM
    • Replies: 9
    • Views: 5,836
    05-27-2011, 10:58 AM Go to last post
  54. Whistling vent

    Started by Jon mackay, 05-23-2011 08:17 AM
    • Replies: 2
    • Views: 1,751
    05-24-2011, 07:06 AM Go to last post
  55. What Is It

    Started by Jim Robinson, 05-18-2011 09:49 PM
    • Replies: 5
    • Views: 1,362
    05-23-2011, 09:37 PM Go to last post
  56. Furnace venting, I'm on a roll

    Started by mathew stouffer, 05-20-2011 04:32 PM
    • Replies: 7
    • Views: 1,529
    05-23-2011, 09:42 AM Go to last post
  57. Gas company red tags furnace

    Started by mathew stouffer, 05-21-2011 08:35 AM
    • Replies: 4
    • Views: 3,207
    05-23-2011, 07:51 AM Go to last post
  58. Yikes!

    Started by Benjamin Thompson, 05-19-2011 09:46 PM
    • Replies: 6
    • Views: 1,369
    05-23-2011, 06:49 AM Go to last post
  59. dryer duct construction

    Started by John Arnold, 05-11-2011 02:27 PM
    • Replies: 7
    • Views: 2,467
    05-17-2011, 06:59 PM Go to last post
  60. Sealant on vent pipes

    Started by Norm Peery, 05-17-2011 05:30 PM
    • Replies: 0
    • Views: 1,242
    05-17-2011, 05:30 PM Go to last post
  61. Filter on HVAC System

    Started by Sam Morris, 05-16-2011 07:47 PM
    • Replies: 3
    • Views: 1,561
    05-17-2011, 10:06 AM Go to last post
  62. Single Unit Dual Zone System

    Started by James Duffin, 05-16-2011 08:01 PM
    • Replies: 2
    • Views: 2,896
    05-17-2011, 06:18 AM Go to last post
  63. Wooden plenum for unconditioned air?

    Started by Michael Thomas, 05-12-2011 03:22 PM
    • Replies: 3
    • Views: 1,963
    05-13-2011, 11:14 AM Go to last post
  64. Heat exchanger, gas hot water boiler

    Started by mathew stouffer, 05-11-2011 11:02 AM
    • Replies: 5
    • Views: 2,380
    05-12-2011, 08:09 AM Go to last post
  65. Pantina-like corrosion on condenser coil

    Started by Dave Hahn, 05-05-2011 01:28 PM
    • Replies: 9
    • Views: 3,032
    05-11-2011, 04:21 PM Go to last post
  66. Condensate line question

    Started by Marc M, 11-30-2009 10:53 PM
    • Replies: 19
    • Views: 6,098
    05-06-2011, 12:28 PM Go to last post
  67. No Return Air Plenum?

    Started by Rick Hurst, 04-21-2011 06:59 PM
    • Replies: 24
    • Views: 14,180
    05-06-2011, 10:35 AM Go to last post
  68. Radiant Heat systems

    Started by fidel gonzales, 05-01-2011 04:35 PM
    • Replies: 12
    • Views: 4,687
    05-06-2011, 07:54 AM Go to last post
  69. Return air in bathroom

    Started by Sam Morris, 05-04-2011 06:05 AM
    • Replies: 5
    • Views: 4,014
    05-06-2011, 07:47 AM Go to last post
  70. Unknown AC manufacturer

    Started by Don Horn, 05-05-2011 05:22 AM
    • Replies: 5
    • Views: 1,655
    05-05-2011, 07:26 AM Go to last post
  71. Real quick single wall clearance Q

    Started by Ross Neag, 05-04-2011 05:45 AM
    • Replies: 6
    • Views: 1,935
    05-05-2011, 06:44 AM Go to last post

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