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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: 20,868
    ROBERT YOUNG
    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: 38,674
    Sky Jones
    09-26-2014, 10:17 AM Go to last post

  1. Gas pipe run in duct

    Started by Mike Schulz, 06-26-2008 06:30 AM
    3 Attachment(s)
    • Replies: 24
    • Views: 13,183
    Steve Scheetz
    09-26-2023, 04:31 PM Go to last post

  2. Gas furnace burners won't stay lit

    Started by Robert Huffman, 07-05-2023 03:15 AM
    • Replies: 3
    • Views: 1,267
    Joe Reilly
    08-28-2023, 02:31 PM Go to last post

  3. High Efficiency Gas Furnace?

    Started by Robert Huffman, 12-07-2022 01:02 PM
    2 Attachment(s)
    • Replies: 4
    • Views: 2,946
    Trent Tarter
    01-05-2023, 08:20 PM Go to last post

  4. Drain Pan

    Started by Sam Morris, 10-31-2022 03:30 PM
    7 Attachment(s)
    • Replies: 11
    • Views: 1,690
    Jerry Peck
    11-18-2022, 10:47 AM Go to last post

  5. Question Required heating for Habitale Room

    Started by Joe Reilly, 11-10-2022 09:19 PM
    • Replies: 22
    • Views: 1,078
    Jerry Peck
    11-13-2022, 02:09 PM Go to last post

  6. Why don't more people use heat pumps?

    Started by sprsun, 03-31-2022 08:49 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 2,654
    Ken Amelin
    08-01-2022, 04:47 AM Go to last post

  7. Condensate Pump in Attic

    Started by Joe Reilly, 03-30-2022 02:47 PM
    3 Attachment(s)
    • Replies: 1
    • Views: 1,623
    Dom D'Agostino
    03-31-2022, 05:27 AM Go to last post

  8. Drip leg required?

    Started by Welmoed Sisson, 05-30-2013 03:58 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 31,094
    Jerry Peck
    03-28-2022, 06:43 AM Go to last post

  9. Car fuse is furnace?

    Started by Sky Jones, 09-13-2014 10:13 PM
    2 Attachment(s)
    • Replies: 15
    • Views: 14,130
    blue mary
    03-27-2022, 06:38 PM Go to last post

  10. How much do hvac contractors charge per hour

    Started by sprsun, 03-17-2022 10:45 PM
    hvac contractors charge
    • Replies: 4
    • Views: 1,023
    Jerry Peck
    03-21-2022, 05:53 AM Go to last post

  11. Heat Pump heat mode temp differential in supply/return air

    Started by Gary Redmond, 12-09-2014 07:04 PM
    • Replies: 7
    • Views: 24,351
    sprsun
    03-20-2022, 11:09 PM Go to last post

  12. Question HVAC or Heat Pump

    Started by Joe Reilly, 02-01-2020 05:35 PM
    3 Attachment(s)
    • Replies: 22
    • Views: 6,404
    ROBERT YOUNG
    03-18-2022, 10:32 AM Go to last post

  13. Buried Fuel Tank

    Started by Robert Huffman, 07-23-2021 04:44 PM
    • Replies: 3
    • Views: 1,504
    sprsun
    03-17-2022, 10:37 PM Go to last post

  14. Boiler Gas Fired Furnace Age

    Started by Sam Morris, 11-30-2021 02:11 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 1,378
    Gunnar Alquist
    11-30-2021, 10:09 PM Go to last post

  15. Ductwork question

    Started by Ernie Simpson, 08-06-2021 06:41 AM
    2 Attachment(s)
    • Replies: 8
    • Views: 2,344
    ROBERT YOUNG
    08-15-2021, 06:05 PM Go to last post

  16. Mini Split Condensate Pump

    Started by Jim Robinson, 07-15-2021 11:51 AM
    2 Attachment(s)
    • Replies: 2
    • Views: 1,015
    Dom D'Agostino
    07-15-2021, 07:08 PM Go to last post

  17. Unhappy Pinched Condensate Drain Line??

    Started by Elizabeth Brammer, 05-29-2021 03:03 PM
    air conditioner, condensate drain, condensate line 1 Attachment(s)
    • Replies: 1
    • Views: 1,262
    Dom D'Agostino
    05-29-2021, 07:30 PM Go to last post

  18. Question Is this furnace vent pipe a problem?

    Started by Bob Hucker, 03-25-2021 11:20 AM
    furnace, hvac, vent 1 Attachment(s)
    • Replies: 2
    • Views: 1,913
    Bob Hucker
    03-25-2021, 02:48 PM Go to last post

  19. A/C Unit tonnage ?

    Started by Sam Morris, 02-04-2021 03:57 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 1,860
    Sam Morris
    02-04-2021, 04:20 PM Go to last post

  20. CPVC Vent for Condensing Water Heater

    Started by Robert Field, 01-25-2021 12:16 AM
    condensing boiler, hvac, plumbing
    • Replies: 5
    • Views: 2,119
    ROBERT YOUNG
    02-03-2021, 09:04 PM Go to last post

  21. water heater and furnace in bathroom closet un louvred door

    Started by CHARLIE VAN FLEET, 11-26-2020 05:28 PM
    • Replies: 1
    • Views: 1,858
    Jerry Peck
    11-26-2020, 07:43 PM Go to last post

  22. Tonnage on this Geothermal Unit

    Started by Sam Morris, 11-12-2020 06:17 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 1,796
    Gary Burnett
    11-12-2020, 07:34 PM Go to last post

  23. Older In Floor Tubing ID

    Started by Jim Robinson, 11-10-2020 04:10 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 1,420
    Gunnar Alquist
    11-11-2020, 04:18 PM Go to last post

  24. make sure to look down the plumbing vents

    Started by John Dirks Jr, 08-30-2020 06:45 AM
    2 Attachment(s)
    • Replies: 2
    • Views: 2,997
    John Dirks Jr
    09-02-2020, 09:43 AM Go to last post

  25. Question Base for new furnace replacing older, larger model

    Started by Matt Blankenship, 04-17-2020 08:50 AM
    1 Attachment(s)
    • Replies: 21
    • Views: 15,738
    Egbert Jager
    04-22-2020, 03:38 PM Go to last post

  26. Is heat required in Bathrooms in Pennsylvania?

    Started by jack mason, 01-25-2020 08:06 PM
    bathrooms, guidelines, heating, regulation, regulations
    • Replies: 8
    • Views: 7,024
    Jerry Peck
    04-03-2020, 05:33 AM Go to last post

  27. Open flue on this Janitrol Furnace

    Started by Sam Morris, 03-24-2020 01:35 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 1,842
    Sam Morris
    03-24-2020, 03:08 PM Go to last post

  28. Gas furnace intake and exhaust pipes

    Started by Robert Huffman, 03-22-2020 10:06 AM
    • Replies: 1
    • Views: 1,608
    Gunnar Alquist
    03-22-2020, 12:04 PM Go to last post

  29. 3rd drain from HVAC Unit ?

    Started by Joe Reilly, 03-01-2020 04:35 PM
    1 Attachment(s)
    • Replies: 8
    • Views: 3,599
    Lon Henderson
    03-11-2020, 03:34 PM Go to last post

  30. AC condensate drain

    Started by Jaeyoung Lee, 03-07-2020 11:33 AM
    a/c, condensate, drain 1 Attachment(s)
    • Replies: 4
    • Views: 5,908
    Jerry Peck
    03-09-2020, 03:24 PM Go to last post

  31. Reason for rusting on new HE furnace

    Started by Egbert Jager, 01-27-2020 05:41 PM
    4 Attachment(s)
    • Replies: 9
    • Views: 3,765
    Richard Bushong
    02-13-2020, 09:44 AM Go to last post

  32. When does combustion air requirement for fossil fuel furnaces, etc appear in the code

    Started by Lon Henderson, 01-15-2020 03:25 PM
    • Replies: 8
    • Views: 3,793
    Richard Bushong
    01-29-2020, 03:32 PM Go to last post

  33. Question HVAC Compressor Shut-Off

    Started by Joe Reilly, 01-02-2020 03:18 PM
    compressor shut off
    • Replies: 5
    • Views: 2,815
    Mike Clarke
    01-29-2020, 01:10 PM Go to last post

  34. Ridge vent with spray foam insulation in rafters

    Started by Ernie Simpson, 05-14-2019 05:10 PM
    • Replies: 24
    • Views: 25,751
    Michael Bryan
    01-05-2020, 10:50 PM Go to last post

  35. Unknown Wall Penetration

    Started by David Lyons, 12-24-2019 10:14 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 2,467
    Joe Reilly
    01-02-2020, 03:02 PM Go to last post

  36. HVAC Drain Pan Line Capped

    Started by David Lyons, 12-24-2019 06:08 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 2,345
    Joe Reilly
    01-02-2020, 02:59 PM Go to last post

  37. Return Air Location

    Started by Aaron Miller, 09-12-2019 09:14 AM
    • Replies: 8
    • Views: 12,292
    Jim Luttrall
    09-12-2019, 08:51 PM Go to last post

  38. New house undersized HVAC?

    Started by Greg Bentz, 05-19-2019 12:55 PM
    • Replies: 15
    • Views: 29,820
    Rod Butler
    08-14-2019, 04:10 PM Go to last post

  39. HVAC suspended from rafters. What is the correct method?

    Started by Gene South, 09-13-2012 02:14 PM
    6 Attachment(s)
    • Replies: 16
    • Views: 33,880
    Jerry Peck
    08-10-2019, 05:45 PM Go to last post

  40. help with hvac

    Started by laura parrella, 06-19-2019 12:25 AM
    1 Attachment(s)
    • Replies: 9
    • Views: 9,779
    Jerry Peck
    07-10-2019, 08:14 AM Go to last post

  41. Furnace Flue Pipe

    Started by Sam Morris, 06-04-2019 05:15 PM
    2 Attachment(s)
    • Replies: 17
    • Views: 18,892
    Bob Harper
    06-23-2019, 08:19 AM Go to last post

  42. New Construction Rooftop PVC exhaust termination dispute

    Started by Matt Hyland, 06-19-2019 03:05 PM
    5 Attachment(s)
    • Replies: 4
    • Views: 4,392
    Jim Robinson
    06-20-2019, 03:25 PM Go to last post

  43. Multiple Appliance Venting Systems

    Started by Justin Fehl, 06-09-2019 06:51 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 4,315
    Mike Clarke
    06-12-2019, 11:37 AM Go to last post

  44. Whole House Fan for homes with no attic now available!

    Started by Kurt Shafer, 05-14-2019 11:56 AM
    quietcool, rafter mounted, rooftop mounted, thorwaldson, whole house fan
    • Replies: 7
    • Views: 3,129
    Kurt Shafer
    05-15-2019, 07:01 AM Go to last post

  45. QuietCool whole house fans do not meet their advertised performance

    Started by Kurt Shafer, 05-14-2019 12:05 PM
    ca energy commission, homedepot, hvi-916, quietcool
    • Replies: 0
    • Views: 4,379
    Kurt Shafer
    05-14-2019, 12:05 PM Go to last post

  46. Is HVAC supply required in bathrooms?

    Started by JD Johnson, 07-23-2008 06:27 PM
    • Replies: 27
    • Views: 68,765
    Jerry Peck
    05-08-2019, 12:06 PM Go to last post

  47. HVAC AD

    Started by Gary Burnett, 03-10-2019 12:09 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 5,401
    Glenn Curtis
    05-02-2019, 12:10 PM Go to last post

  48. Age of gas furnace in new construction

    Started by JIM MURPHY, 04-03-2019 12:25 PM
    • Replies: 4
    • Views: 15,837
    Ken Amelin
    04-10-2019, 06:22 AM Go to last post

  49. What happened to Building Intelligence.org ?????????

    Started by Joel Steven, 04-08-2019 08:21 AM
    • Replies: 2
    • Views: 4,039
    Roy Lewis
    04-09-2019, 04:35 AM Go to last post

  50. Heat pump undersized

    Started by Sam Morris, 03-06-2019 06:46 PM
    2 Attachment(s)
    • Replies: 16
    • Views: 15,118
    Jim Hintz
    03-13-2019, 06:03 PM Go to last post

  51. Tape on furnace vent pipe

    Started by Justin Fehl, 03-16-2018 08:42 AM
    furnace, pipe, vent 1 Attachment(s)
    • Replies: 11
    • Views: 36,013
    Eric Barker
    03-05-2019, 12:15 PM Go to last post

  52. PHOTOS OF AC CONDENSER SPACING

    Started by Gene South, 02-02-2019 08:53 AM
    3 Attachment(s)
    • Replies: 6
    • Views: 8,566
    Jerry Peck
    03-04-2019, 06:19 AM Go to last post

  53. Venting issues

    Started by Richard Roshak, 11-23-2018 09:56 AM
    3 Attachment(s)
    • Replies: 5
    • Views: 6,345
    Bob Harper
    03-04-2019, 05:16 AM Go to last post

  54. mercury in gas pressure regulators?

    Started by Michael Soules, 02-16-2019 10:11 AM
    • Replies: 6
    • Views: 7,429
    Michael Soules
    02-18-2019, 07:12 PM Go to last post

  55. Can furnace combustion air be pulled from attic

    Started by Ryan Vega, 12-06-2009 08:37 PM
    1 Attachment(s)
    • Replies: 54
    • Views: 58,107
    Jerry Peck
    12-14-2018, 12:47 PM Go to last post

  56. Testing Mini-splits in winter temps.

    Started by Ken Amelin, 11-19-2018 06:21 AM
    • Replies: 2
    • Views: 4,303
    Gunnar Alquist
    11-23-2018, 11:41 AM Go to last post

  57. Slant Fin age

    Started by ROBERT YOUNG, 11-09-2018 04:35 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 5,308
    ROBERT YOUNG
    11-09-2018, 07:45 PM Go to last post

  58. Common venting?

    Started by Henry Smith, 10-26-2018 04:08 AM
    • Replies: 0
    • Views: 6,518
    Henry Smith
    10-26-2018, 04:08 AM Go to last post

  59. S-trap on condesation line-Wrong?

    Started by Donald Stauffer, 07-07-2018 10:15 AM
    4 Attachment(s)
    • Replies: 12
    • Views: 31,475
    Gunnar Alquist
    07-09-2018, 08:17 PM Go to last post

  60. Life expectancy of HVAC equipment

    Started by Ken Amelin, 06-25-2018 10:52 AM
    1 Attachment(s)
    • Replies: 12
    • Views: 8,873
    Jerry Peck
    07-05-2018, 06:24 AM Go to last post

  61. New Member: AC Question

    Started by Harry Wilson, 06-21-2018 03:15 PM
    foam in sight glass
    • Replies: 1
    • Views: 4,973
    Brian Hannigan
    06-21-2018, 03:22 PM Go to last post

  62. What is this?

    Started by Richard Roshak, 06-01-2018 03:32 PM
    2 Attachment(s)
    • Replies: 1
    • Views: 9,065
    Gary Burnett
    06-01-2018, 04:05 PM Go to last post

  63. Garage Unit Heater - Trap In B Vent

    Started by Andrew Kolar, 05-30-2018 08:08 AM
    • Replies: 14
    • Views: 5,328
    Gary Burnett
    05-31-2018, 12:22 PM Go to last post

  64. Anyone know what this is?

    Started by Dave Rose, 05-17-2018 09:36 AM
    4 Attachment(s)
    • Replies: 6
    • Views: 8,117
    Jerry Peck
    05-20-2018, 05:02 AM Go to last post

  65. Can this air conditioning condensate drain line cause a moisture issue...

    Started by Ivan Fernandez, 02-18-2018 07:04 PM
    4 Attachment(s)
    • Replies: 14
    • Views: 13,204
    Gregory Wilcox
    05-16-2018, 11:57 PM Go to last post

  66. Vent connector

    Started by Mark M Cooper, 04-27-2018 12:52 PM
    2 Attachment(s)
    • Replies: 9
    • Views: 8,648
    Jim Luttrall
    04-29-2018, 04:40 PM Go to last post

  67. Exterior Compressor Line Plumes

    Started by Donald Stauffer, 04-20-2018 11:53 AM
    compressor lines, insulation 1 Attachment(s)
    • Replies: 2
    • Views: 4,301
    Gunnar Alquist
    04-20-2018, 02:32 PM Go to last post

  68. Gas pipe configuration

    Started by Elizabeth Chambers, 03-30-2018 10:48 PM
    10 Attachment(s)
    • Replies: 13
    • Views: 9,155
    Jerry Peck
    04-06-2018, 03:18 PM Go to last post

  69. Mounting Location of Disconnect Box for AC Condensers

    Started by Nick Ostrowski, 03-30-2018 09:40 AM
    • Replies: 1
    • Views: 3,128
    Nick Ostrowski
    03-30-2018, 10:54 AM Go to last post

  70. DETTSON HYDRA AGE

    Started by ROBERT YOUNG, 01-07-2018 09:00 AM
    1 Attachment(s)
    • Replies: 5
    • Views: 12,682
    Dan Hagman
    01-15-2018, 08:37 PM Go to last post

  71. return air stops in utility closet

    Started by Don Hawley, 11-30-2017 07:50 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 12,248
    John Kogel
    11-30-2017, 06:51 PM Go to last post

  72. carbon monoxide from ?????

    Started by Randy West, 11-17-2017 07:40 PM
    carbon monoxide
    • Replies: 7
    • Views: 5,745
    ROBERT YOUNG
    11-20-2017, 07:17 AM Go to last post

  73. furnace vent height on roof

    Started by CHARLIE VAN FLEET, 11-10-2017 04:46 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 7,657
    Mike Lamb
    11-11-2017, 07:09 AM Go to last post

  74. Safe clearance between a gas water heater direct vent outlet and the A/C unit

    Started by Sam Morris, 11-01-2017 03:25 PM
    3 Attachment(s)
    • Replies: 2
    • Views: 5,980
    Mike Lamb
    11-04-2017, 06:30 AM Go to last post

  75. Shared forced air ducting in duplex

    Started by Terry Beck, 10-28-2017 10:18 AM
    • Replies: 4
    • Views: 6,531
    Markus Keller
    10-29-2017, 08:01 AM Go to last post

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