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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: 9,302
    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: 14,694
    09-26-2014, 10:17 AM Go to last post
  1. 2 compressors, 1 FAU?

    Started by Tim Hoole, 08-29-2011 06:58 PM
    • Replies: 3
    • Views: 1,428
    08-31-2011, 07:00 AM Go to last post
  2. AC differential temps

    Started by Gerald Wilcox, 08-22-2011 09:01 PM
    • Replies: 13
    • Views: 13,441
    08-26-2011, 10:38 AM Go to last post
  3. Condensation line

    Started by Greg Hammond, 08-22-2011 09:21 AM
    • Replies: 2
    • Views: 1,175
    08-26-2011, 09:02 AM Go to last post
  4. Propane Gas pipe tape

    Started by Kathleen Clinton, 08-22-2011 01:24 PM
    • Replies: 3
    • Views: 2,521
    08-22-2011, 05:01 PM Go to last post
    • Replies: 3
    • Views: 2,183
    08-22-2011, 03:56 PM Go to last post
  5. Return air and fireplace

    Started by Richard Roshak, 08-20-2011 05:57 PM
    • Replies: 1
    • Views: 1,375
    08-22-2011, 07:57 AM Go to last post
  6. Any idea why this box is here?

    Started by imported_John Smith, 08-19-2011 01:45 PM
    • Replies: 5
    • Views: 1,449
    08-20-2011, 06:52 PM Go to last post
  7. Upside down condensate trap?

    Started by sidney alstad, 08-04-2011 06:09 PM
    • Replies: 9
    • Views: 4,281
    08-16-2011, 08:29 AM Go to last post
  8. condensate trap not necessary

    Started by John Goad, 08-01-2011 01:50 PM
    • Replies: 10
    • Views: 5,282
    08-15-2011, 07:53 PM Go to last post
  9. 3' gas vent termination height

    Started by Chuck Kaatz, 08-11-2011 02:44 PM
    • Replies: 2
    • Views: 2,043
    08-12-2011, 05:25 PM Go to last post
  10. early hydro or swamp cooler

    Started by wayne soper, 08-11-2011 05:58 PM
    • Replies: 5
    • Views: 1,602
    08-12-2011, 04:29 PM Go to last post
  11. Listed gas appliance exhaust termiantion

    Started by Marc Morin, 08-06-2011 08:07 PM
    • Replies: 4
    • Views: 1,542
    08-08-2011, 05:32 PM Go to last post
  12. Age of HVAC

    Started by Jeff Zehnder, 08-08-2011 01:56 PM
    • Replies: 2
    • Views: 3,355
    08-08-2011, 04:55 PM Go to last post
  13. Round Pipe combustion air equivalency

    Started by Ross Neag, 07-02-2011 06:23 PM
    • Replies: 6
    • Views: 2,910
    08-04-2011, 06:43 PM Go to last post
  14. Inspectors' duties

    Started by timjimbob, 08-01-2011 06:27 AM
    • Replies: 3
    • Views: 1,768
    08-01-2011, 10:23 AM Go to last post
  15. Plywood duct work

    Started by Sam Morris, 07-06-2011 03:22 PM
    • Replies: 10
    • Views: 8,756
    07-31-2011, 09:11 AM Go to last post
  16. This House Was Smokin'

    Started by Bob Ozbirn, 07-28-2011 07:30 AM
    • Replies: 7
    • Views: 1,657
    07-29-2011, 12:38 PM Go to last post
  17. Vent in bath Enclosure?

    Started by Thomas Thayer, 07-20-2011 03:00 PM
    • Replies: 4
    • Views: 1,569
    07-29-2011, 07:56 AM Go to last post
  18. Correct sizing of unit for furnace

    Started by mickalene calavano, 07-19-2011 01:03 PM
    • Replies: 8
    • Views: 2,035
    07-29-2011, 07:52 AM Go to last post
  19. Test Condensation pump

    Started by Bob R, 07-22-2011 08:40 AM
    • Replies: 3
    • Views: 1,690
    07-25-2011, 08:12 AM Go to last post
  20. heat controller

    Started by wayne soper, 07-23-2011 06:11 AM
    • Replies: 5
    • Views: 2,134
    07-23-2011, 09:32 AM Go to last post
  21. Dryer duct venting

    Started by Steve C., 07-21-2011 07:47 AM
    • Replies: 7
    • Views: 4,942
    07-22-2011, 08:46 AM Go to last post
  22. Laundry room exhaust venting

    Started by Gregg Geiger, 07-20-2011 09:21 AM
    • Replies: 2
    • Views: 2,795
    07-20-2011, 02:30 PM Go to last post
    • Replies: 1
    • Views: 1,958
    07-19-2011, 07:02 PM Go to last post
  23. WHAT IS THIS??

    Started by Tony Escamilla, 07-18-2011 08:31 AM
    • Replies: 11
    • Views: 2,178
    07-19-2011, 11:14 AM Go to last post
  24. FED PAC STABLOCK AC DISCONNECT

    Started by Gene South, 07-16-2011 06:39 AM
    • Replies: 6
    • Views: 1,841
    07-17-2011, 01:24 PM Go to last post
  25. NM liquid tight, flexible conduit

    Started by brianmiller, 07-15-2011 01:53 PM
    • Replies: 0
    • Views: 988
    07-15-2011, 01:53 PM Go to last post
  26. Do you see a problem?

    Started by Tech 9 Home Inspections, 07-02-2011 11:10 AM
    • Replies: 16
    • Views: 2,100
    07-04-2011, 09:02 PM Go to last post
  27. Venting

    Started by Jon Scott, 07-04-2011 12:28 AM
    • Replies: 3
    • Views: 1,419
    07-04-2011, 09:47 AM Go to last post
  28. Comments please

    Started by Tech 9 Home Inspections, 07-02-2011 11:04 AM
    • Replies: 1
    • Views: 1,134
    07-04-2011, 07:32 AM Go to last post
  29. Age of a Carrier Condenser

    Started by Thomas Finnegan, 07-01-2011 01:19 PM
    • Replies: 2
    • Views: 2,943
    07-01-2011, 09:08 PM Go to last post
    • Replies: 10
    • Views: 2,017
    07-01-2011, 07:28 PM Go to last post
    • Replies: 7
    • Views: 1,736
    07-01-2011, 02:48 PM Go to last post
  30. Serviceman switch

    Started by Tom Rees, 06-30-2011 04:08 PM
    • Replies: 8
    • Views: 1,824
    07-01-2011, 01:20 PM Go to last post
  31. Red face HVAC ceiling mounted units

    Started by Brian Van Haselen, 06-26-2011 09:38 AM
    • Replies: 5
    • Views: 3,895
    06-28-2011, 07:41 PM Go to last post
  32. 240V hydronic heating pump?

    Started by John Arnold, 06-28-2011 03:49 PM
    • Replies: 2
    • Views: 1,337
    06-28-2011, 07:08 PM Go to last post
  33. Rectangular flue pipe

    Started by Jon mackay, 06-28-2011 09:58 AM
    • Replies: 2
    • Views: 2,599
    06-28-2011, 03:49 PM Go to last post
  34. Hallmark Furnace age

    Started by Bryan Wilcox, 06-22-2011 06:37 AM
    • Replies: 0
    • Views: 3,519
    06-22-2011, 06:37 AM Go to last post
  35. Any ideas what this could be?

    Started by Stephen G Sheldon, 06-21-2011 07:29 AM
    • Replies: 5
    • Views: 1,290
    06-21-2011, 07:28 PM Go to last post
    • Replies: 19
    • Views: 6,896
    06-21-2011, 07:26 PM Go to last post
  36. If fan is "On" will compressor still come on?

    Started by Gene South, 08-08-2010 06:36 AM
    • Replies: 15
    • Views: 4,554
    06-20-2011, 02:11 PM Go to last post
  37. Exhaust location

    Started by Mitchell Chiger, 06-20-2011 08:41 AM
    • Replies: 0
    • Views: 1,059
    06-20-2011, 08:41 AM Go to last post
  38. Need Help finding Make of Furnace-A/C unit

    Started by C.Johnson, 06-18-2011 06:07 PM
    • Replies: 4
    • Views: 3,185
    06-19-2011, 06:00 PM Go to last post
  39. age of Weil Mclain boiler

    Started by Andy Shapley, 06-18-2011 03:22 PM
    • Replies: 2
    • Views: 3,281
    06-19-2011, 03:47 PM Go to last post
  40. This can't be right

    Started by Alan C Grubb, 06-17-2011 09:26 PM
    • Replies: 7
    • Views: 1,780
    06-19-2011, 01:29 PM Go to last post
  41. AC

    Started by Tony Vargas, 06-16-2011 07:16 PM
    • Replies: 3
    • Views: 2,030
    06-17-2011, 09:21 AM Go to last post
  42. water heat/space heat combo

    Started by Bert de Haan, 06-14-2011 08:46 PM
    • Replies: 0
    • Views: 1,020
    06-14-2011, 08:46 PM Go to last post
  43. Is this a heat pump?

    Started by Dan Sandweg, 06-10-2011 06:38 PM
    • Replies: 5
    • Views: 2,564
    06-11-2011, 10:29 PM Go to last post
  44. Convection heating?

    Started by mathew stouffer, 06-06-2011 06:16 AM
    • Replies: 6
    • Views: 2,047
    06-10-2011, 07:22 AM Go to last post
  45. Max bends of a furnace flue

    Started by Rich Sumen, 06-09-2011 01:57 PM
    • Replies: 2
    • Views: 7,666
    06-09-2011, 10:42 PM Go to last post
  46. Mixed vent materials

    Started by Matt Fellman, 06-07-2011 12:51 PM
    • Replies: 2
    • Views: 1,232
    06-08-2011, 02:26 PM Go to last post
  47. Electric wall mount space heaters

    Started by mathew stouffer, 05-20-2011 06:08 AM
    • Replies: 6
    • Views: 3,095
    06-08-2011, 11:57 AM Go to last post
  48. Singer Furnace Age

    Started by Kathleen Clinton, 06-07-2011 03:32 PM
    • Replies: 3
    • Views: 4,187
    06-07-2011, 10:40 PM Go to last post
  49. Condensate

    Started by Tom Rees, 06-07-2011 04:05 PM
    • Replies: 5
    • Views: 1,273
    06-07-2011, 07:45 PM Go to last post
  50. boiler installed in garage space - sort of

    Started by Andy Shapley, 06-07-2011 03:15 PM
    • Replies: 3
    • Views: 1,674
    06-07-2011, 05:02 PM Go to last post
  51. Water based heat pump

    Started by Dennis Robitaille, 06-01-2011 01:41 PM
    • Replies: 10
    • Views: 2,486
    06-07-2011, 12:41 PM Go to last post
  52. Dryer vent

    Started by Wade Johnson, 06-02-2011 07:48 AM
    • Replies: 4
    • Views: 3,625
    06-03-2011, 06:16 AM Go to last post
  53. Venting issue

    Started by Blain Plantz, 05-30-2011 05:34 PM
    • Replies: 6
    • Views: 1,656
    05-31-2011, 05:39 PM Go to last post
  54. What causes flame rollout or scorching?

    Started by Jon mackay, 05-23-2011 06:53 AM
    • Replies: 18
    • Views: 19,361
    05-30-2011, 07:56 PM Go to last post
  55. Gas burning furnace flue height in nyc

    Started by Tony Peluso, 04-04-2010 06:04 PM
    • Replies: 4
    • Views: 2,762
    05-30-2011, 09:16 AM Go to last post
  56. Make-up combustion air rqmt.

    Started by Bob Fuhrmann, 03-08-2011 02:32 PM
    • Replies: 13
    • Views: 3,782
    05-29-2011, 03:58 AM Go to last post
  57. Horizontal Duct to Plenum Connection Question

    Started by ed morales, 05-27-2011 09:48 AM
    • Replies: 5
    • Views: 3,809
    05-27-2011, 12:36 PM Go to last post
  58. Air handler plenum

    Started by william siegel, 04-18-2007 10:30 AM
    • Replies: 9
    • Views: 5,959
    05-27-2011, 09:58 AM Go to last post
  59. Whistling vent

    Started by Jon mackay, 05-23-2011 07:17 AM
    • Replies: 2
    • Views: 1,796
    05-24-2011, 06:06 AM Go to last post
  60. What Is It

    Started by Jim Robinson, 05-18-2011 08:49 PM
    • Replies: 5
    • Views: 1,411
    05-23-2011, 08:37 PM Go to last post
  61. Furnace venting, I'm on a roll

    Started by mathew stouffer, 05-20-2011 03:32 PM
    • Replies: 7
    • Views: 1,577
    05-23-2011, 08:42 AM Go to last post
  62. Gas company red tags furnace

    Started by mathew stouffer, 05-21-2011 07:35 AM
    • Replies: 4
    • Views: 3,279
    05-23-2011, 06:51 AM Go to last post
  63. Yikes!

    Started by Benjamin Thompson, 05-19-2011 08:46 PM
    • Replies: 6
    • Views: 1,427
    05-23-2011, 05:49 AM Go to last post
  64. dryer duct construction

    Started by John Arnold, 05-11-2011 01:27 PM
    • Replies: 7
    • Views: 2,542
    05-17-2011, 05:59 PM Go to last post
  65. Sealant on vent pipes

    Started by Norm Peery, 05-17-2011 04:30 PM
    • Replies: 0
    • Views: 1,273
    05-17-2011, 04:30 PM Go to last post
  66. Filter on HVAC System

    Started by Sam Morris, 05-16-2011 06:47 PM
    • Replies: 3
    • Views: 1,612
    05-17-2011, 09:06 AM Go to last post
  67. Single Unit Dual Zone System

    Started by James Duffin, 05-16-2011 07:01 PM
    • Replies: 2
    • Views: 2,947
    05-17-2011, 05:18 AM Go to last post
  68. Wooden plenum for unconditioned air?

    Started by Michael Thomas, 05-12-2011 02:22 PM
    • Replies: 3
    • Views: 2,017
    05-13-2011, 10:14 AM Go to last post
  69. Heat exchanger, gas hot water boiler

    Started by mathew stouffer, 05-11-2011 10:02 AM
    • Replies: 5
    • Views: 2,437
    05-12-2011, 07:09 AM Go to last post
  70. Pantina-like corrosion on condenser coil

    Started by Dave Hahn, 05-05-2011 12:28 PM
    • Replies: 9
    • Views: 3,104
    05-11-2011, 03:21 PM Go to last post

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