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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: 26,547
    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: 44,416
    Sky Jones
    09-26-2014, 10:17 AM Go to last post

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

    Started by CHARLIE VAN FLEET, 11-26-2020 05:28 PM
    • Replies: 2
    • Views: 18,275
    Aaron Services
    04-13-2024, 07:18 PM Go to last post

  2. Gas Wall Furnace

    Started by Jim Robinson, 12-19-2023 04:19 PM
    • Replies: 1
    • Views: 4,694
    Jerry Peck
    12-20-2023, 11:19 AM Go to last post

  3. Gas pipe run in duct

    Started by Mike Schulz, 06-26-2008 06:30 AM
    3 Attachment(s)
    • Replies: 24
    • Views: 44,934
    Steve Scheetz
    09-26-2023, 04:31 PM Go to last post

  4. Gas furnace burners won't stay lit

    Started by Robert Huffman, 07-05-2023 03:15 AM
    • Replies: 3
    • Views: 4,338
    Joe Reilly
    08-28-2023, 02:31 PM Go to last post

  5. High Efficiency Gas Furnace?

    Started by Robert Huffman, 12-07-2022 01:02 PM
    2 Attachment(s)
    • Replies: 4
    • Views: 6,262
    Trent Tarter
    01-05-2023, 08:20 PM Go to last post

  6. Drain Pan

    Started by Sam Morris, 10-31-2022 03:30 PM
    7 Attachment(s)
    • Replies: 11
    • Views: 4,126
    Jerry Peck
    11-18-2022, 10:47 AM Go to last post

  7. Question Required heating for Habitale Room

    Started by Joe Reilly, 11-10-2022 09:19 PM
    • Replies: 22
    • Views: 4,801
    Jerry Peck
    11-13-2022, 02:09 PM Go to last post

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

    Started by sprsun, 03-31-2022 08:49 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 5,421
    Ken Amelin
    08-01-2022, 04:47 AM Go to last post

  9. Condensate Pump in Attic

    Started by Joe Reilly, 03-30-2022 02:47 PM
    3 Attachment(s)
    • Replies: 1
    • Views: 3,647
    Dom D'Agostino
    03-31-2022, 05:27 AM Go to last post

  10. Drip leg required?

    Started by Welmoed Sisson, 05-30-2013 03:58 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 34,458
    Jerry Peck
    03-28-2022, 06:43 AM Go to last post

  11. Car fuse is furnace?

    Started by Sky Jones, 09-13-2014 10:13 PM
    2 Attachment(s)
    • Replies: 15
    • Views: 18,855
    blue mary
    03-27-2022, 06:38 PM Go to last post

  12. How much do hvac contractors charge per hour

    Started by sprsun, 03-17-2022 10:45 PM
    hvac contractors charge
    • Replies: 4
    • Views: 3,066
    Jerry Peck
    03-21-2022, 05:53 AM Go to last post

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

    Started by Gary Redmond, 12-09-2014 07:04 PM
    • Replies: 7
    • Views: 28,514
    sprsun
    03-20-2022, 11:09 PM Go to last post

  14. Question HVAC or Heat Pump

    Started by Joe Reilly, 02-01-2020 05:35 PM
    3 Attachment(s)
    • Replies: 22
    • Views: 10,740
    ROBERT YOUNG
    03-18-2022, 10:32 AM Go to last post

  15. Buried Fuel Tank

    Started by Robert Huffman, 07-23-2021 04:44 PM
    • Replies: 3
    • Views: 3,655
    sprsun
    03-17-2022, 10:37 PM Go to last post

  16. Boiler Gas Fired Furnace Age

    Started by Sam Morris, 11-30-2021 02:11 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 3,529
    Gunnar Alquist
    11-30-2021, 10:09 PM Go to last post

  17. Ductwork question

    Started by Ernie Simpson, 08-06-2021 06:41 AM
    2 Attachment(s)
    • Replies: 8
    • Views: 4,924
    ROBERT YOUNG
    08-15-2021, 06:05 PM Go to last post

  18. Mini Split Condensate Pump

    Started by Jim Robinson, 07-15-2021 11:51 AM
    2 Attachment(s)
    • Replies: 2
    • Views: 3,497
    Dom D'Agostino
    07-15-2021, 07:08 PM Go to last post

  19. 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: 3,328
    Dom D'Agostino
    05-29-2021, 07:30 PM Go to last post

  20. 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: 5,012
    Bob Hucker
    03-25-2021, 02:48 PM Go to last post

  21. A/C Unit tonnage ?

    Started by Sam Morris, 02-04-2021 03:57 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 4,023
    Sam Morris
    02-04-2021, 04:20 PM Go to last post

  22. CPVC Vent for Condensing Water Heater

    Started by Robert Field, 01-25-2021 12:16 AM
    condensing boiler, hvac, plumbing
    • Replies: 5
    • Views: 5,321
    ROBERT YOUNG
    02-03-2021, 09:04 PM Go to last post

  23. Tonnage on this Geothermal Unit

    Started by Sam Morris, 11-12-2020 06:17 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 3,901
    Gary Burnett
    11-12-2020, 07:34 PM Go to last post

  24. Older In Floor Tubing ID

    Started by Jim Robinson, 11-10-2020 04:10 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 3,474
    Gunnar Alquist
    11-11-2020, 04:18 PM Go to last post

  25. 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: 5,767
    John Dirks Jr
    09-02-2020, 09:43 AM Go to last post

  26. 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: 20,706
    Egbert Jager
    04-22-2020, 03:38 PM Go to last post

  27. 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: 10,952
    Jerry Peck
    04-03-2020, 05:33 AM Go to last post

  28. Open flue on this Janitrol Furnace

    Started by Sam Morris, 03-24-2020 01:35 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 4,155
    Sam Morris
    03-24-2020, 03:08 PM Go to last post

  29. Gas furnace intake and exhaust pipes

    Started by Robert Huffman, 03-22-2020 10:06 AM
    • Replies: 1
    • Views: 4,430
    Gunnar Alquist
    03-22-2020, 12:04 PM Go to last post

  30. 3rd drain from HVAC Unit ?

    Started by Joe Reilly, 03-01-2020 04:35 PM
    1 Attachment(s)
    • Replies: 8
    • Views: 6,942
    Lon Henderson
    03-11-2020, 03:34 PM Go to last post

  31. AC condensate drain

    Started by Jaeyoung Lee, 03-07-2020 11:33 AM
    a/c, condensate, drain 1 Attachment(s)
    • Replies: 4
    • Views: 8,659
    Jerry Peck
    03-09-2020, 03:24 PM Go to last post

  32. Reason for rusting on new HE furnace

    Started by Egbert Jager, 01-27-2020 05:41 PM
    4 Attachment(s)
    • Replies: 9
    • Views: 6,748
    Richard Bushong
    02-13-2020, 09:44 AM Go to last post

  33. 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: 6,400
    Richard Bushong
    01-29-2020, 03:32 PM Go to last post

  34. Question HVAC Compressor Shut-Off

    Started by Joe Reilly, 01-02-2020 03:18 PM
    compressor shut off
    • Replies: 5
    • Views: 6,025
    Mike Clarke
    01-29-2020, 01:10 PM Go to last post

  35. Ridge vent with spray foam insulation in rafters

    Started by Ernie Simpson, 05-14-2019 05:10 PM
    • Replies: 24
    • Views: 33,185
    Michael Bryan
    01-05-2020, 10:50 PM Go to last post

  36. Unknown Wall Penetration

    Started by David Lyons, 12-24-2019 10:14 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 4,867
    Joe Reilly
    01-02-2020, 03:02 PM Go to last post

  37. HVAC Drain Pan Line Capped

    Started by David Lyons, 12-24-2019 06:08 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 5,122
    Joe Reilly
    01-02-2020, 02:59 PM Go to last post

  38. Return Air Location

    Started by Aaron Miller, 09-12-2019 09:14 AM
    • Replies: 8
    • Views: 15,673
    Jim Luttrall
    09-12-2019, 08:51 PM Go to last post

  39. New house undersized HVAC?

    Started by Greg Bentz, 05-19-2019 12:55 PM
    • Replies: 15
    • Views: 32,763
    Rod Butler
    08-14-2019, 04:10 PM Go to last post

  40. 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: 39,961
    Jerry Peck
    08-10-2019, 05:45 PM Go to last post

  41. help with hvac

    Started by laura parrella, 06-19-2019 12:25 AM
    1 Attachment(s)
    • Replies: 9
    • Views: 12,804
    Jerry Peck
    07-10-2019, 08:14 AM Go to last post

  42. Furnace Flue Pipe

    Started by Sam Morris, 06-04-2019 05:15 PM
    2 Attachment(s)
    • Replies: 17
    • Views: 22,769
    Bob Harper
    06-23-2019, 08:19 AM Go to last post

  43. New Construction Rooftop PVC exhaust termination dispute

    Started by Matt Hyland, 06-19-2019 03:05 PM
    5 Attachment(s)
    • Replies: 4
    • Views: 8,095
    Jim Robinson
    06-20-2019, 03:25 PM Go to last post

  44. Multiple Appliance Venting Systems

    Started by Justin Fehl, 06-09-2019 06:51 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 7,382
    Mike Clarke
    06-12-2019, 11:37 AM Go to last post

  45. 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: 5,613
    Kurt Shafer
    05-15-2019, 07:01 AM Go to last post

  46. 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: 7,544
    Kurt Shafer
    05-14-2019, 12:05 PM Go to last post

  47. Is HVAC supply required in bathrooms?

    Started by JD Johnson, 07-23-2008 06:27 PM
    • Replies: 27
    • Views: 77,149
    Jerry Peck
    05-08-2019, 12:06 PM Go to last post

  48. HVAC AD

    Started by Gary Burnett, 03-10-2019 12:09 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 7,861
    Glenn Curtis
    05-02-2019, 12:10 PM Go to last post

  49. Age of gas furnace in new construction

    Started by JIM MURPHY, 04-03-2019 12:25 PM
    • Replies: 4
    • Views: 18,337
    Ken Amelin
    04-10-2019, 06:22 AM Go to last post

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

    Started by Joel Steven, 04-08-2019 08:21 AM
    • Replies: 2
    • Views: 6,785
    Roy Lewis
    04-09-2019, 04:35 AM Go to last post

  51. Heat pump undersized

    Started by Sam Morris, 03-06-2019 06:46 PM
    2 Attachment(s)
    • Replies: 16
    • Views: 19,082
    Jim Hintz
    03-13-2019, 06:03 PM Go to last post

  52. Tape on furnace vent pipe

    Started by Justin Fehl, 03-16-2018 08:42 AM
    furnace, pipe, vent 1 Attachment(s)
    • Replies: 11
    • Views: 42,070
    Eric Barker
    03-05-2019, 12:15 PM Go to last post

  53. PHOTOS OF AC CONDENSER SPACING

    Started by Gene South, 02-02-2019 08:53 AM
    3 Attachment(s)
    • Replies: 6
    • Views: 11,344
    Jerry Peck
    03-04-2019, 06:19 AM Go to last post

  54. Venting issues

    Started by Richard Roshak, 11-23-2018 09:56 AM
    3 Attachment(s)
    • Replies: 5
    • Views: 8,967
    Bob Harper
    03-04-2019, 05:16 AM Go to last post

  55. mercury in gas pressure regulators?

    Started by Michael Soules, 02-16-2019 10:11 AM
    • Replies: 6
    • Views: 10,389
    Michael Soules
    02-18-2019, 07:12 PM Go to last post

  56. Can furnace combustion air be pulled from attic

    Started by Ryan Vega, 12-06-2009 08:37 PM
    1 Attachment(s)
    • Replies: 54
    • Views: 69,390
    Jerry Peck
    12-14-2018, 12:47 PM Go to last post

  57. Testing Mini-splits in winter temps.

    Started by Ken Amelin, 11-19-2018 06:21 AM
    • Replies: 2
    • Views: 7,767
    Gunnar Alquist
    11-23-2018, 11:41 AM Go to last post

  58. Slant Fin age

    Started by ROBERT YOUNG, 11-09-2018 04:35 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 7,925
    ROBERT YOUNG
    11-09-2018, 07:45 PM Go to last post

  59. Common venting?

    Started by Henry Smith, 10-26-2018 04:08 AM
    • Replies: 0
    • Views: 9,002
    Henry Smith
    10-26-2018, 04:08 AM Go to last post

  60. S-trap on condesation line-Wrong?

    Started by Donald Stauffer, 07-07-2018 10:15 AM
    4 Attachment(s)
    • Replies: 12
    • Views: 35,688
    Gunnar Alquist
    07-09-2018, 08:17 PM Go to last post

  61. Life expectancy of HVAC equipment

    Started by Ken Amelin, 06-25-2018 10:52 AM
    1 Attachment(s)
    • Replies: 12
    • Views: 12,422
    Jerry Peck
    07-05-2018, 06:24 AM Go to last post

  62. New Member: AC Question

    Started by Harry Wilson, 06-21-2018 03:15 PM
    foam in sight glass
    • Replies: 1
    • Views: 7,608
    Brian Hannigan
    06-21-2018, 03:22 PM Go to last post

  63. What is this?

    Started by Richard Roshak, 06-01-2018 03:32 PM
    2 Attachment(s)
    • Replies: 1
    • Views: 11,399
    Gary Burnett
    06-01-2018, 04:05 PM Go to last post

  64. Garage Unit Heater - Trap In B Vent

    Started by Andrew Kolar, 05-30-2018 08:08 AM
    • Replies: 14
    • Views: 9,331
    Gary Burnett
    05-31-2018, 12:22 PM Go to last post

  65. Anyone know what this is?

    Started by Dave Rose, 05-17-2018 09:36 AM
    4 Attachment(s)
    • Replies: 6
    • Views: 11,016
    Jerry Peck
    05-20-2018, 05:02 AM Go to last post

  66. 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: 16,718
    Gregory Wilcox
    05-16-2018, 11:57 PM Go to last post

  67. Vent connector

    Started by Mark M Cooper, 04-27-2018 12:52 PM
    2 Attachment(s)
    • Replies: 9
    • Views: 11,417
    Jim Luttrall
    04-29-2018, 04:40 PM Go to last post

  68. Exterior Compressor Line Plumes

    Started by Donald Stauffer, 04-20-2018 11:53 AM
    compressor lines, insulation 1 Attachment(s)
    • Replies: 2
    • Views: 6,938
    Gunnar Alquist
    04-20-2018, 02:32 PM Go to last post

  69. Gas pipe configuration

    Started by Elizabeth Chambers, 03-30-2018 10:48 PM
    10 Attachment(s)
    • Replies: 13
    • Views: 12,182
    Jerry Peck
    04-06-2018, 03:18 PM Go to last post

  70. Mounting Location of Disconnect Box for AC Condensers

    Started by Nick Ostrowski, 03-30-2018 09:40 AM
    • Replies: 1
    • Views: 6,128
    Nick Ostrowski
    03-30-2018, 10:54 AM Go to last post

  71. DETTSON HYDRA AGE

    Started by ROBERT YOUNG, 01-07-2018 09:00 AM
    1 Attachment(s)
    • Replies: 5
    • Views: 15,708
    Dan Hagman
    01-15-2018, 08:37 PM Go to last post

  72. return air stops in utility closet

    Started by Don Hawley, 11-30-2017 07:50 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 15,918
    John Kogel
    11-30-2017, 06:51 PM Go to last post

  73. carbon monoxide from ?????

    Started by Randy West, 11-17-2017 07:40 PM
    carbon monoxide
    • Replies: 7
    • Views: 8,496
    ROBERT YOUNG
    11-20-2017, 07:17 AM Go to last post

  74. furnace vent height on roof

    Started by CHARLIE VAN FLEET, 11-10-2017 04:46 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 12,022
    Mike Lamb
    11-11-2017, 07:09 AM Go to last post

  75. 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: 8,617
    Mike Lamb
    11-04-2017, 06:30 AM Go to last post

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