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Forum: AOP Residential HVAC

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  1. Sticky Thread Sticky Threads

    • Replies: 0
    • Views: 68,443
    10-31-2011, 07:32 PM Go to last post
  2. Angry Sticky Thread >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 11-15-2008 11:40 PM
    • Replies: 0
    • Views: 69,306
    11-15-2008, 11:40 PM Go to last post
  1. Normal Thread Normal Threads

  2. White buildup on ball valves

    Started by patrick183, Today 02:07 PM
    • Replies: 1
    • Views: 2
    Today, 02:45 PM Go to last post
  3. Manual J and existing structures

    Started by ramsaymike, Yesterday 07:54 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 363
    Today, 02:30 PM Go to last post
    • Replies: 5
    • Views: 312
    Today, 02:10 PM Go to last post
  4. oversized York affinity question

    Started by mjocan, Today 10:57 AM
    • Replies: 6
    • Views: 78
    Today, 01:58 PM Go to last post
  5. Modulating Heat pump on old furnace

    Started by jradle, Yesterday 01:02 PM
    • Replies: 5
    • Views: 164
    Today, 01:42 PM Go to last post
    • Replies: 6
    • Views: 236
    Today, 01:34 PM Go to last post
    • Replies: 0
    • Views: 31
    Today, 11:04 AM Go to last post
  6. BTUs and CFMs

    Started by Chester2017, Yesterday 09:37 PM
    • Replies: 3
    • Views: 150
    Today, 10:43 AM Go to last post
  7. Air handler noise

    Started by klino85, Yesterday 09:21 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 219
    Today, 10:21 AM Go to last post
    • Replies: 19
    • Views: 491
    Today, 09:20 AM Go to last post
    • Replies: 18
    • Views: 497
    Today, 07:13 AM Go to last post
  8. Air Handler powered by Heat Strips?

    Started by tchad, Yesterday 01:59 PM
    electrical, wiring
    • Replies: 7
    • Views: 196
    Today, 07:01 AM Go to last post
  9. AHRI DIRECTORY - airflow puzzler

    Started by ANALYST1946, Today 04:39 AM
    • Replies: 5
    • Views: 111
    Today, 06:45 AM Go to last post
  10. Compressor oil and phosgene

    Started by AustinB77, Today 01:27 AM
    • Replies: 4
    • Views: 183
    Today, 06:08 AM Go to last post
  11. Freon in refrigerant oil

    Started by BigBurke77, Yesterday 12:37 PM
    9 Pages
    1 2 3 4 5 6 ... 9
    • Replies: 114
    • Views: 1,572
    Today, 06:05 AM Go to last post
  12. 2 Stage Variable-2 Story Home-Carrier Infinity-Ecobee

    Started by Lod80k, 02-18-2019 02:41 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 408
    Today, 03:28 AM Go to last post
    • Replies: 9
    • Views: 362
    Yesterday, 10:08 PM Go to last post
  13. Whalen thermostat replacement

    Started by kolyan, 02-02-2019 12:46 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 531
    Yesterday, 07:56 PM Go to last post
    • Replies: 4
    • Views: 173
    Yesterday, 07:45 PM Go to last post
  14. Insurance claim assistance

    Started by spindoctor518, 02-14-2019 10:22 AM
    • Replies: 5
    • Views: 341
    Yesterday, 07:11 PM Go to last post
    • Replies: 6
    • Views: 308
    Yesterday, 05:50 PM Go to last post
    • Replies: 7
    • Views: 350
    Yesterday, 05:25 PM Go to last post
  15. HVAC for small room

    Started by victorvalencia, 02-18-2019 09:55 PM
    • Replies: 12
    • Views: 274
    Yesterday, 04:37 PM Go to last post
    • Replies: 2
    • Views: 140
    Yesterday, 02:16 PM Go to last post
    • Replies: 21
    • Views: 468
    Yesterday, 01:53 PM Go to last post
  16. Wiring Furnace

    Started by Gregk2019, 02-18-2019 02:02 PM
    • Replies: 7
    • Views: 241
    Yesterday, 01:43 PM Go to last post
  17. Bosch BOVA Inverter Heat Pump

    Started by smeek, 01-22-2019 09:01 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,183
    Yesterday, 12:08 PM Go to last post
  18. Complete Replacement Install

    Started by firefighter911, 02-07-2019 04:20 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 1,016
    Yesterday, 08:12 AM Go to last post
    • Replies: 5
    • Views: 218
    Yesterday, 12:29 AM Go to last post
  19. Poor airflow from new install - undersized returns?

    Started by sureshot2, 02-16-2019 04:37 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 911
    02-18-2019, 08:17 PM Go to last post
    • Replies: 9
    • Views: 262
    02-18-2019, 07:16 PM Go to last post
    • Replies: 7
    • Views: 310
    02-18-2019, 06:18 PM Go to last post
  20. Help with Carrier Multizone system

    Started by Harjit, 02-09-2019 09:38 PM
    carrier infinity
    • Replies: 6
    • Views: 240
    02-18-2019, 03:13 PM Go to last post
  21. Humidifier approach

    Started by betterair, 01-19-2019 05:06 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 902
    02-18-2019, 01:38 PM Go to last post
  22. Outdoor humidity sensor Carrier Infinity 25VNA8

    Started by fredrx, 02-18-2019 10:34 AM
    • Replies: 1
    • Views: 152
    02-18-2019, 11:59 AM Go to last post
  23. Heat strip question

    Started by tnp, 02-15-2019 07:21 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 518
    02-18-2019, 10:31 AM Go to last post
  24. Dehumidification

    Started by $confused$, 02-17-2019 04:52 PM
    • Replies: 2
    • Views: 220
    02-18-2019, 08:14 AM Go to last post
  25. Help picking out a new HVAC system

    Started by EWA8601, 02-12-2019 06:42 PM
    • Replies: 5
    • Views: 382
    02-18-2019, 07:37 AM Go to last post
  26. Aprilaire 600 not working well

    Started by btcva, 02-16-2019 12:57 PM
    aprilaire, humidifier
    • Replies: 5
    • Views: 330
    02-18-2019, 05:53 AM Go to last post
  27. Dual AC power saving

    Started by Coolina, 02-15-2019 07:13 PM
    • Replies: 9
    • Views: 341
    02-18-2019, 05:43 AM Go to last post
  28. Adding returns

    Started by Coolina, 02-15-2019 07:07 PM
    • Replies: 2
    • Views: 245
    02-18-2019, 01:03 AM Go to last post
  29. Can anyone tell me what these connectors are called?

    Started by Analyzer52, 02-17-2019 04:31 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 761
    02-17-2019, 10:34 PM Go to last post
  30. Replacing central heat pump with ducted mini split.

    Started by smeek, 02-17-2019 12:30 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 499
    02-17-2019, 09:44 PM Go to last post
    • Replies: 2
    • Views: 223
    02-17-2019, 07:55 PM Go to last post
  31. New HVAC system in Atlanta

    Started by gte465f, 02-15-2019 09:40 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 528
    02-17-2019, 04:06 PM Go to last post
  32. TRANE XV18 equipment reliability survey

    Started by ANALYST1946, 02-17-2019 02:21 AM
    • Replies: 1
    • Views: 203
    02-17-2019, 01:49 PM Go to last post
  33. How many speeds are really used in a "multi-speed" blower

    Started by swimfan, 02-08-2019 07:31 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 670
    02-17-2019, 12:34 PM Go to last post
  34. One or two furnaces for 3,100sqft home?

    Started by oharel, 02-09-2019 05:14 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 999
    02-17-2019, 08:50 AM Go to last post
  35. Confused BTU.....furnace sizing

    Started by Chester2017, 02-14-2019 11:02 PM
    • Replies: 5
    • Views: 343
    02-17-2019, 03:50 AM Go to last post
  36. Mitsubishi multi head -- operational oddities.

    Started by yeldogt, 02-15-2019 06:05 PM
    • Replies: 12
    • Views: 312
    02-16-2019, 10:13 PM Go to last post

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