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  1. Formula for DeltaT?

    Started by mjohnson2981, 06-16-2015 08:54 PM
    • Replies: 0
    • Views: 243
    Last Post: 06-16-2015 08:54 PM
    by mjohnson2981  Go to last post
  2. Goodman model possibilities

    Started by mjohnson2981, 05-24-2015 11:58 AM
    • Replies: 8
    • Views: 594
    Last Post: 06-05-2015 11:42 AM
    by captaincompressor  Go to last post
  3. Old Janitrol

    Started by mjohnson2981, 06-01-2015 02:49 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 701
    Last Post: 06-04-2015 11:18 AM
    by Glennhvac  Go to last post
  4. Removing air with recovery cylinder?

    Started by mjohnson2981, 05-24-2015 10:39 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,085
    Last Post: 05-24-2015 09:23 PM
    by Poodle Head Mikey  Go to last post
  5. Hunting Piston?

    Started by mjohnson2981, 05-23-2015 06:25 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,386
    Last Post: 05-24-2015 01:01 PM
    by penderway  Go to last post
  6. Experts that can't braze. - No pictures...

    Started by mjohnson2981, 05-18-2015 10:05 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,964
    Last Post: 05-20-2015 08:15 PM
    by doug1111  Go to last post
  7. Thermocouple clamp

    Started by mjohnson2981, 05-12-2015 09:52 PM
    • Replies: 4
    • Views: 351
    Last Post: 05-13-2015 09:55 AM
    by mjohnson2981  Go to last post
  8. High humidity in walk in cooler

    Started by mjohnson2981, 06-02-2013 09:54 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 8,199
    Last Post: 04-09-2015 03:55 PM
    by Bjmlincoln  Go to last post
  9. Defrost board issue?

    Started by mjohnson2981, 09-07-2014 09:09 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,639
    Last Post: 11-02-2014 08:06 PM
    by timebuilder  Go to last post
  10. Oil in system

    Started by mjohnson2981, 08-30-2014 05:27 PM
    • Replies: 2
    • Views: 403
    Last Post: 08-30-2014 07:12 PM
    by mjohnson2981  Go to last post
  11. Rental unit franken-system...

    Started by mjohnson2981, 08-05-2014 10:07 PM
    • Replies: 11
    • Views: 926
    Last Post: 08-07-2014 10:29 AM
    by captaincompressor  Go to last post
  12. Humidifer saving money on A/C?

    Started by mjohnson2981, 06-22-2014 12:10 PM
    • Replies: 7
    • Views: 396
    Last Post: 06-22-2014 05:03 PM
    by teddy bear  Go to last post
  13. Defrosting walk-in door.

    Started by mjohnson2981, 05-31-2014 03:45 PM
    • Replies: 11
    • Views: 1,000
    Last Post: 05-31-2014 05:33 PM
    by mjohnson2981  Go to last post
  14. Evaporator height and subcooling

    Started by mjohnson2981, 05-26-2014 01:27 PM
    • Replies: 3
    • Views: 585
    Last Post: 05-29-2014 10:40 AM
    by icemeister  Go to last post
  15. Robinair Vacuum Pump

    Started by mjohnson2981, 05-26-2014 01:11 PM
    • Replies: 2
    • Views: 675
    Last Post: 05-26-2014 05:15 PM
    by mjohnson2981  Go to last post
  16. Fan motor & back EMP

    Started by mjohnson2981, 05-16-2014 02:21 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,145
    Last Post: 05-20-2014 09:22 PM
    by Mike703  Go to last post
  17. Schematic & Charging Procedures for Trane

    Started by mjohnson2981, 05-16-2014 07:32 AM
    • Replies: 6
    • Views: 739
    Last Post: 05-18-2014 04:00 PM
    by captaincompressor  Go to last post
  18. Grounding flexible gas connector?

    Started by mjohnson2981, 05-11-2014 10:35 AM
    • Replies: 5
    • Views: 524
    Last Post: 05-11-2014 02:09 PM
    by captaincompressor  Go to last post
  19. Loss of capacity to lineset

    Started by mjohnson2981, 04-23-2014 10:36 PM
    • Replies: 12
    • Views: 888
    Last Post: 05-02-2014 10:31 PM
    by mjohnson2981  Go to last post
  20. Not my install...

    Started by mjohnson2981, 03-08-2014 09:45 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,674
    Last Post: 03-21-2014 11:19 PM
    by Chasespeed  Go to last post
  21. Motor HP vs Amps

    Started by mjohnson2981, 03-15-2014 04:27 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,979
    Last Post: 03-19-2014 09:52 PM
    by 54regcab  Go to last post
  22. Clarification on a textbook example

    Started by mjohnson2981, 02-28-2014 03:14 PM
    • Replies: 1
    • Views: 428
    Last Post: 02-28-2014 06:31 PM
    by HvacActive  Go to last post
    • Replies: 1
    • Views: 547
    Last Post: 02-20-2014 09:23 PM
    by mjohnson2981  Go to last post
  23. Why aluminum tubing for pilots?

    Started by mjohnson2981, 02-10-2014 10:44 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,315
    Last Post: 02-16-2014 02:55 PM
    by mjohnson2981  Go to last post
  24. HSI glows but won't light gas

    Started by mjohnson2981, 02-01-2014 09:35 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,855
    Last Post: 02-12-2014 09:21 AM
    by Poodle Head Mikey  Go to last post
  25. Kitchen exhaust fan.

    Started by mjohnson2981, 01-29-2014 12:48 PM
    • Replies: 5
    • Views: 884
    Last Post: 02-11-2014 10:07 AM
    by ACFIXR  Go to last post
  26. Failed heat exchanger

    Started by mjohnson2981, 01-28-2014 10:35 PM
    • Replies: 12
    • Views: 1,211
    Last Post: 01-29-2014 11:19 PM
    by Rob_in_WV  Go to last post
  27. Williamson Furnace

    Started by mjohnson2981, 01-26-2014 07:49 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,343
    Last Post: 01-28-2014 08:19 PM
    by jm0711  Go to last post
  28. Heat pump and ice

    Started by mjohnson2981, 12-14-2013 09:14 AM
    • Replies: 7
    • Views: 849
    Last Post: 12-14-2013 08:11 PM
    by hvacker  Go to last post
  29. It is mostly 3 inch...

    Started by mjohnson2981, 11-19-2013 12:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,003
    Last Post: 12-07-2013 02:09 PM
    by mason  Go to last post
  30. External Equalizer Tube

    Started by mjohnson2981, 11-30-2013 12:46 AM
    • Replies: 4
    • Views: 527
    Last Post: 11-30-2013 10:15 AM
    by VTP99  Go to last post
  31. Open barrel terminals

    Started by mjohnson2981, 11-18-2013 09:45 PM
    • Replies: 7
    • Views: 886
    Last Post: 11-19-2013 02:35 PM
    by Joe Harper  Go to last post
  32. Sporlan Q body kit

    Started by mjohnson2981, 11-12-2013 09:47 AM
    • Replies: 6
    • Views: 589
    Last Post: 11-13-2013 02:05 PM
    by icemeister  Go to last post
  33. Antique fittings

    Started by mjohnson2981, 10-04-2013 11:06 PM
    5 Pages
    1 2 3 4 5
    • Replies: 55
    • Views: 4,441
    Last Post: 10-22-2013 07:58 AM
    by ICanHas  Go to last post
  34. Thieves!

    Started by mjohnson2981, 10-05-2013 08:19 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,057
    Last Post: 10-06-2013 08:27 PM
    by lytning  Go to last post
  35. Unit working with blown run cap?

    Started by mjohnson2981, 09-28-2013 02:22 PM
    • Replies: 4
    • Views: 702
    Last Post: 09-28-2013 09:48 PM
    by Todd Whaley  Go to last post
  36. Quick disconnect fittings

    Started by mjohnson2981, 09-12-2013 07:05 PM
    • Replies: 12
    • Views: 1,923
    Last Post: 09-18-2013 05:01 PM
    by machine11  Go to last post
  37. Heatpump Extended Data

    Started by mjohnson2981, 09-07-2013 04:01 PM
    • Replies: 11
    • Views: 902
    Last Post: 09-09-2013 09:16 AM
    by second opinion  Go to last post
  38. Blown capacitor

    Started by mjohnson2981, 08-25-2013 04:23 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,982
    Last Post: 08-28-2013 03:19 PM
    by hvacrmedic  Go to last post
  39. Mixed NU-22 and R22?

    Started by mjohnson2981, 08-17-2013 05:44 PM
    • Replies: 12
    • Views: 2,314
    Last Post: 08-18-2013 11:19 AM
    by Todd Whaley  Go to last post
  40. Light commercial vs Residential Equipment

    Started by mjohnson2981, 06-27-2013 05:12 PM
    • Replies: 5
    • Views: 691
    Last Post: 07-24-2013 03:38 PM
    by slctech  Go to last post
  41. Accurate clamp meter?

    Started by mjohnson2981, 07-03-2013 09:20 PM
    • Replies: 3
    • Views: 889
    Last Post: 07-04-2013 02:57 PM
    by coffeezone  Go to last post
  42. Airtemp Sizes

    Started by mjohnson2981, 06-27-2013 04:18 PM
    • Replies: 3
    • Views: 457
    Last Post: 06-28-2013 07:20 AM
    by mjohnson2981  Go to last post
  43. Building a walk-in

    Started by mjohnson2981, 04-11-2013 05:10 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,925
    Last Post: 04-26-2013 03:04 AM
    by Bobbycold  Go to last post
  44. Wanted: Cylinder Holder

    Started by mjohnson2981, 06-23-2012 09:56 PM
    • Replies: 7
    • Views: 1,769
    Last Post: 12-31-2012 10:01 PM
    by Joehvac25  Go to last post

    Forum:
    Junk Yard

  45. Burnt smell from vents

    Started by mjohnson2981, 09-26-2012 11:01 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 13,695
    Last Post: 10-03-2012 06:14 AM
    by beenthere  Go to last post
  46. Digital Borescope

    Started by mjohnson2981, 06-28-2012 09:38 PM
    • Replies: 0
    • Views: 611
    Last Post: 06-28-2012 09:38 PM
    by mjohnson2981  Go to last post
  47. Testo 327 or Bacharach Fyrite Insight

    Started by mjohnson2981, 11-26-2011 03:31 PM
    • Replies: 3
    • Views: 639
    Last Post: 11-26-2011 05:59 PM
    by hvacpope  Go to last post
  48. Frozen A-Coil

    Started by mjohnson2981, 06-12-2011 06:43 PM
    • Replies: 2
    • Views: 884
    Last Post: 06-12-2011 07:23 PM
    by mjohnson2981  Go to last post
  49. Freon Theft

    Started by mjohnson2981, 06-06-2011 08:11 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,606
    Last Post: 06-07-2011 11:22 PM
    by thrashme  Go to last post
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