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  1. Fujitsu Halycon minisplit making noise when OFF

    Started by JDubuss, 09-19-2022 07:08 PM
    air conditioner, leak, mini split, noise, refrigerant
    • Replies: 14
    • Views: 318
    Last Post: 09-20-2022 09:51 PM
    by aa7483  Go to last post
  2. Why not R-134a in residential AC?

    Started by Skeizer, 06-21-2010 05:38 PM
    5 Pages
    1 2 3 4 5
    • Replies: 92
    • Views: 33,786
    Last Post: 07-05-2022 10:39 PM
    by Special-K  Go to last post
  3. Mitsubishi city multi

    Started by idol, 05-24-2022 06:52 PM
    indoor air handlers, mitsubishi, refrigerant
    • Replies: 16
    • Views: 874
    Last Post: 05-30-2022 08:22 AM
    by rundawg  Go to last post
  4. Retrofit of VFD for HVACR

    Started by Omar_10, 02-15-2022 03:33 AM
    • Replies: 17
    • Views: 1,227
    Last Post: 02-15-2022 01:15 PM
    by hvacvegas  Go to last post
  5. line replacement or unit replacement?

    Started by cy804, 01-27-2022 10:40 AM
    heatpump, hvac, refrigerant, repair, replacement
    • Replies: 4
    • Views: 660
    Last Post: 01-27-2022 11:56 AM
    by Bazooka Joe  Go to last post
  6. Regular AC Noise and Irregular ones

    Started by Leo99, 10-17-2021 05:19 AM
    expansion valves, noise, refrigerant
    • Replies: 2
    • Views: 785
    Last Post: 10-17-2021 12:29 PM
    by Poodle Head Mikey  Go to last post
  7. Was this AC service call done honestly?

    Started by IDLandlord, 07-24-2021 05:23 AM
    evaporator cleaning, evaporator coil, refrigerant
    • Replies: 17
    • Views: 2,120
    Last Post: 07-25-2021 07:15 AM
    by dandyme  Go to last post
  8. Compressor Went Bad with R22, Replace Exact Compressor with R407?

    Started by Biltmore, 04-01-2021 08:55 PM
    3 Pages
    1 2 3
    • Replies: 48
    • Views: 9,009
    Last Post: 04-08-2021 02:41 PM
    by Bazooka Joe  Go to last post
  9. Does GloSeal AC Sealant work?

    Started by benze, 10-30-2020 10:26 AM
    heat pump, refrigerant
    • Replies: 9
    • Views: 2,479
    Last Post: 11-02-2020 09:20 PM
    by bobboan  Go to last post
  10. Heat Pump Output Calculation - Help!!!

    Started by nnm223, 08-01-2020 10:58 AM
    cop, efficiency, heat exchanger, heat pump, performance, power, refrigerant
    • Replies: 6
    • Views: 2,015
    Last Post: 08-05-2020 08:34 AM
    by nnm223  Go to last post
    • Replies: 10
    • Views: 2,082
    Last Post: 07-30-2020 09:05 PM
    by stumpdigger  Go to last post
  11. HVAC overheat or overcharged refrigerant?

    Started by fgh, 07-21-2020 07:36 PM
    • Replies: 10
    • Views: 2,399
    Last Post: 07-22-2020 07:04 PM
    by beenthere  Go to last post
  12. HVAC overheat or overcharged refrigerant?

    Started by fgh, 07-21-2020 07:23 PM
    • Replies: 1
    • Views: 1,701
    Last Post: 07-21-2020 08:14 PM
    by CircusEnvy  Go to last post
    • Replies: 2
    • Views: 1,817
    Last Post: 06-24-2020 07:07 AM
    by pecmsg  Go to last post
  13. Would like to sell refrigerant

    Started by disra_senkovi, 05-24-2020 03:13 PM
    automotive, r134a, refrigerant, sale
    • Replies: 0
    • Views: 2,742
    Last Post: 05-24-2020 03:13 PM
    by disra_senkovi  Go to last post

    Forum:
    Junk Yard

    • Replies: 4
    • Views: 1,772
    Last Post: 09-08-2019 02:42 PM
    by rider77  Go to last post
  14. HGBP, Queston on DUNHAM BUCH WCFX Chillers

    Started by Chilly56, 08-08-2019 02:27 PM
    chiller, hgbp, hvac, refrigerant
    • Replies: 0
    • Views: 2,277
    Last Post: 08-08-2019 02:27 PM
    by Chilly56  Go to last post
  15. Evaporator Sizing

    Started by Matheus Lima, 08-01-2019 11:32 AM
    control, evaporator, hvac, hvacr, refrigerant, size
    • Replies: 8
    • Views: 2,282
    Last Post: 08-01-2019 12:21 PM
    by VTP99  Go to last post
    • Replies: 42
    • Views: 7,884
    Last Post: 06-27-2019 04:11 AM
    by beenthere  Go to last post
    • Replies: 3
    • Views: 2,747
    Last Post: 06-17-2019 09:01 AM
    by pecmsg  Go to last post
  16. issue with small sandwich prep cooler

    Started by Benito escobar, 06-14-2019 03:16 PM
    • Replies: 16
    • Views: 2,763
    Last Post: 06-14-2019 06:40 PM
    by Snapperhead  Go to last post
    • Replies: 5
    • Views: 2,593
    Last Post: 04-05-2019 08:05 PM
    by lzenglish  Go to last post
  17. Sniffer Sensitivity Check Reference Check

    Started by mracrep4ir, 02-24-2019 05:17 PM
    • Replies: 14
    • Views: 3,514
    Last Post: 03-24-2019 12:19 PM
    by jayguy  Go to last post
    • Replies: 67
    • Views: 35,740
    Last Post: 10-18-2018 07:10 PM
    by pecmsg  Go to last post
    • Replies: 6
    • Views: 2,331
    Last Post: 07-19-2018 01:07 PM
    by udarrell  Go to last post
    • Replies: 5
    • Views: 3,895
    Last Post: 05-29-2018 11:53 PM
    by HVAC_Marc  Go to last post
  18. New iManifold Features & NPI Partners Announced!!

    Started by Bill Northrup, 03-06-2018 05:10 PM
    2 Pages
    1 2
    data logger, hvac apps, refrigerant, service software, tools, trane
    • Replies: 24
    • Views: 6,810
    Last Post: 03-12-2018 08:52 AM
    by Bill Northrup  Go to last post
  19. Poll: Poll Question: As an HVACR Technician...

    Started by Sporlan, 06-01-2016 10:45 AM
    hvac, hvacr, refrigerant, refrigeration
    • Replies: 5
    • Views: 4,577
    Last Post: 08-28-2016 06:01 PM
    by billygoat22  Go to last post
  20. A/C Condenser Oil?

    Started by Question1234, 06-12-2016 04:55 PM
    3 Pages
    1 2 3
    air conditioner, condenser, oil, refrigerant
    • Replies: 47
    • Views: 28,909
    Last Post: 06-18-2016 08:04 PM
    by Mr Bill  Go to last post
  21. Summer is Here!

    Started by Sporlan, 06-07-2016 02:14 PM
    air conditioning, air flow, hvac, refrigerant, ventilation
    • Replies: 15
    • Views: 5,972
    Last Post: 06-16-2016 09:35 AM
    by Sporlan PM  Go to last post
  22. Sporlan Tech Tip: Troubleshooting Solenoid Valves

    Started by Sporlan, 05-31-2016 01:04 PM
    air conditioner, hvac, refrigerant, refrigeration basics, solenoid valves, valves
    • Replies: 0
    • Views: 4,412
    Last Post: 05-31-2016 01:04 PM
    by Sporlan  Go to last post
  23. Guide to Servicing Blended Refrigerants

    Started by Sporlan, 05-17-2016 09:53 AM
    air conditioning, hvacr, lubricants, refrigerant, refrigerant management, refrigeration
    • Replies: 0
    • Views: 4,031
    Last Post: 05-17-2016 09:53 AM
    by Sporlan  Go to last post
  24. R22 Phase out

    Started by Commoncurtise, 04-28-2016 10:38 AM
    2 Pages
    1 2
    freon, freon refrigerants, r22, r22 retrofit, r22 retrofits, refrigerant
    • Replies: 28
    • Views: 7,211
    Last Post: 05-01-2016 12:33 PM
    by COOLJIM  Go to last post
  25. Recharge refrigerant, but no leak check. Why?

    Started by scibidr, 09-18-2015 02:16 PM
    leak testing, refrigerant
    • Replies: 6
    • Views: 3,191
    Last Post: 09-23-2015 07:59 PM
    by hvacvegas  Go to last post
    • Replies: 10
    • Views: 5,535
    Last Post: 09-16-2015 12:13 PM
    by ChipCharge  Go to last post
  26. R134a Temp/Press do not correspond to PT Charts!

    Started by ZhuoHan, 08-12-2015 02:40 AM
    pressure/temperature charts, refrigerant, refrigeration
    • Replies: 4
    • Views: 3,028
    Last Post: 08-12-2015 08:02 PM
    by ZhuoHan  Go to last post
    • Replies: 5
    • Views: 2,766
    Last Post: 05-14-2015 09:04 PM
    by udarrell  Go to last post
  27. help with possible wrong refrigerant added

    Started by Jac151, 05-13-2015 06:33 PM
    air conditioning, condensor, r22, r410, refrigerant
    • Replies: 7
    • Views: 4,154
    Last Post: 05-14-2015 09:30 AM
    by syndicated  Go to last post
    • Replies: 9
    • Views: 5,153
    Last Post: 02-04-2015 08:16 AM
    by syndicated  Go to last post
    • Replies: 11
    • Views: 4,597
    Last Post: 12-23-2014 10:04 PM
    by anasmilbes  Go to last post
  28. R-718 ecofriendly?.?

    Started by DothanHvac, 12-06-2014 09:46 PM
    2 Pages
    1 2
    refrigerant
    • Replies: 21
    • Views: 4,524
    Last Post: 12-06-2014 11:50 PM
    by ICanHas  Go to last post
    • Replies: 49
    • Views: 19,603
    Last Post: 08-26-2014 12:03 PM
    by wahoo  Go to last post
    • Replies: 0
    • Views: 1,952
    Last Post: 08-04-2014 04:53 PM
    by ICanHas  Go to last post
    • Replies: 0
    • Views: 2,656
    Last Post: 07-06-2014 01:31 PM
    by njhvac1  Go to last post
  29. Simple Refrigerant Leak Test

    Started by hippomoe, 05-12-2014 02:29 PM
    low, r22, refrigerant, suction line
    • Replies: 4
    • Views: 3,135
    Last Post: 05-13-2014 08:10 AM
    by hippomoe  Go to last post
    • Replies: 8
    • Views: 20,561
    Last Post: 05-02-2014 08:08 AM
    by udarrell  Go to last post
  30. Carrier Infinity -- need help thinking outside the box

    Started by ndeverest, 04-26-2014 10:12 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 9,565
    Last Post: 04-29-2014 05:03 PM
    by davo  Go to last post
  31. Replacement of R22 with R407c

    Started by adarsh412, 10-15-2013 05:15 AM
    hvac, refrigerant, replacement
    • Replies: 0
    • Views: 1,516
    Last Post: 10-15-2013 05:15 AM
    by adarsh412  Go to last post
    • Replies: 3
    • Views: 2,476
    Last Post: 09-22-2013 11:04 PM
    by hvac wiz 79  Go to last post
    • Replies: 2
    • Views: 4,243
    Last Post: 07-10-2013 11:59 PM
    by hwebb5454  Go to last post
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