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Forum: Energy Efficiency and Building Performance Discussion NEW

Energy Efficiency and Building Performance Discussion

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  2. Air to Air Heat Pump in cold temperatures

    Started by bduemig, 01-12-2020 11:15 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 5,862
    01-08-2022, 10:25 PM Go to last post
  3. chiller efficiency

    Started by mohad_i, 12-12-2021 09:10 AM
    • Replies: 2
    • Views: 495
    12-15-2021, 07:50 AM Go to last post
    • Replies: 0
    • Views: 271
    12-13-2021, 09:53 AM Go to last post
  4. Ground to space controls

    Started by Lariliss, 11-12-2021 04:03 AM
    • Replies: 0
    • Views: 313
    11-12-2021, 04:03 AM Go to last post
    • Replies: 12
    • Views: 1,140
    11-09-2021, 05:01 PM Go to last post
  5. Understanding EER

    Started by Aircol, 09-30-2021 09:09 PM
    • Replies: 2
    • Views: 1,296
    10-15-2021, 03:55 PM Go to last post
  6. Sizing A/C and ERV for my house

    Started by Retread, 02-18-2021 05:56 PM
    • Replies: 4
    • Views: 2,444
    09-01-2021, 09:46 AM Go to last post
  7. Amperage usage for Multi Stage Compressors

    Started by Inspector314, 07-08-2021 10:16 PM
    • Replies: 6
    • Views: 1,790
    07-21-2021, 11:20 AM Go to last post
    • Replies: 8
    • Views: 3,231
    07-09-2021, 12:09 PM Go to last post
  8. twin heat recovery wheel for FAHU

    Started by moideen, 06-01-2021 03:48 AM
    • Replies: 0
    • Views: 846
    06-01-2021, 03:48 AM Go to last post
  9. Electrify Everything

    Started by mhoush, 12-16-2020 10:01 PM
    5 Pages
    1 2 3 4 5
    • Replies: 92
    • Views: 16,410
    05-13-2021, 10:18 PM Go to last post
  10. 2 stage, multiple condenser system question.

    Started by 23F5%, 05-05-2021 10:23 AM
    • Replies: 5
    • Views: 1,338
    05-10-2021, 11:06 AM Go to last post
  11. Design principles for a comfortable HVAC system

    Started by Jamesss, 04-01-2021 08:20 AM
    • Replies: 1
    • Views: 1,626
    04-01-2021, 08:18 PM Go to last post
    • Replies: 5
    • Views: 1,646
    03-01-2021, 05:47 PM Go to last post
  12. Question ERV where to put the fresh air!

    Started by M2coolcomfort, 02-10-2021 11:08 AM
    • Replies: 17
    • Views: 2,171
    02-17-2021, 08:50 PM Go to last post
  13. Refrigerant Retrofitting

    Started by mohad_i, 01-26-2021 04:57 AM
    • Replies: 0
    • Views: 1,392
    01-26-2021, 04:57 AM Go to last post
  14. Is building science still BOOMIN?

    Started by Ambition, 01-15-2020 11:05 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 9,634
    12-17-2020, 06:30 PM Go to last post
  15. Need advice on heaters

    Started by Rou25, 09-24-2020 06:50 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 14,338
    11-26-2020, 04:00 PM Go to last post
  16. Good Forum Topic - Analytics

    Started by adrianfromoz, 04-12-2017 09:13 PM
    • Replies: 13
    • Views: 8,841
    09-28-2020, 11:08 AM Go to last post
  17. Foam board between shingle roof and metal roof

    Started by downeaster, 09-19-2020 11:38 AM
    • Replies: 3
    • Views: 2,525
    09-21-2020, 10:23 AM Go to last post
  18. Help with Gas vs HP or something else

    Started by Tekjunkie, 08-01-2020 04:17 PM
    • Replies: 1
    • Views: 2,814
    09-17-2020, 10:43 PM Go to last post
  19. Vapor barrier at exterior wall surface ?

    Started by Poodle Head Mikey, 03-12-2019 11:29 PM
    • Replies: 13
    • Views: 7,224
    09-06-2020, 10:06 PM Go to last post
  20. Which one is more efficient?

    Started by eshi1362, 06-21-2017 11:54 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 13,947
    09-02-2020, 10:07 PM Go to last post
    • Replies: 19
    • Views: 10,554
    07-27-2020, 01:04 PM Go to last post
    • Replies: 4
    • Views: 3,442
    07-26-2020, 12:30 PM Go to last post
  21. Question Energy management solutions pricing

    Started by KaiRie, 12-11-2019 06:21 AM
    • Replies: 2
    • Views: 5,089
    06-19-2020, 08:40 PM Go to last post
  22. Solx energy

    Started by barty, 02-02-2019 12:57 PM
    3 Pages
    1 2 3
    • Replies: 48
    • Views: 28,135
    05-25-2020, 01:34 PM Go to last post
  23. Oversizing with 2 stage equipment to save energy/run less

    Started by ats1986, 06-15-2019 11:17 PM
    2 Pages
    1 2
    • Replies: 31
    • Views: 9,431
    05-19-2020, 11:26 AM Go to last post
  24. Infra Red Heating for High Bay Buildings

    Started by Curious57, 12-12-2019 09:16 PM
    • Replies: 2
    • Views: 3,560
    05-13-2020, 05:31 PM Go to last post
    • Replies: 6
    • Views: 5,064
    12-28-2019, 05:47 PM Go to last post
  25. Spray foam insulation--Whats the deal??

    Started by Ambition, 11-26-2019 10:51 AM
    • Replies: 3
    • Views: 4,033
    11-27-2019, 10:28 AM Go to last post
  26. kW equals BTUs...or does it?

    Started by OHDataCenterGuy, 10-22-2019 01:17 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 7,993
    11-24-2019, 06:54 AM Go to last post
  27. HEATPIPS in FAHU

    Started by moideen, 11-11-2019 04:37 AM
    • Replies: 9
    • Views: 5,189
    11-17-2019, 02:02 PM Go to last post
  28. EU SEER <=> US SEER?

    Started by gustavhorna, 06-12-2019 07:36 PM
    • Replies: 4
    • Views: 6,508
    10-23-2019, 05:22 AM Go to last post
  29. Confused Condo Building Upgrade or replace

    Started by brianr60, 09-16-2019 10:42 AM
    • Replies: 4
    • Views: 4,353
    10-15-2019, 03:23 AM Go to last post
    • Replies: 18
    • Views: 8,548
    09-30-2019, 12:31 PM Go to last post
    • Replies: 0
    • Views: 3,733
    09-23-2019, 04:03 AM Go to last post
  30. Refrigeration cycle efficiency breakdown?

    Started by R600a, 08-18-2019 01:36 AM
    3 Pages
    1 2 3
    • Replies: 41
    • Views: 9,421
    09-19-2019, 05:02 PM Go to last post
  31. Crazy, needs your support or immediate rejection

    Started by CanStage, 07-29-2019 03:30 PM
    • Replies: 19
    • Views: 5,763
    07-30-2019, 05:34 PM Go to last post

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