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Tag: efficiency

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  1. A Question for the HVAC Experts

    Started by Bobby G., 01-22-2015 12:28 AM
    2 Pages
    1 2
    air flow, air handler, efficiency
    • Replies: 25
    • Views: 827
    Last Post: 01-27-2015 07:19 PM
    by toocoolforschool  Go to last post
  2. Quest for max efficiency and reliability

    Started by thesheet, 08-30-2014 09:47 AM
    blowers, consumer report, efficiency, forced air, newbie, reliability, research
    • Replies: 0
    • Views: 217
    Last Post: 08-30-2014 09:47 AM
    by thesheet  Go to last post
  3. Mini-Split vs Heat Pump on Top Floor of Old House

    Started by PaColonial, 08-24-2014 01:29 AM
    2 Pages
    1 2
    attic, attic duct flex heat gain loss, efficiency, efficient comfort, heat pump, mini-spits
    • Replies: 17
    • Views: 1,011
    Last Post: 08-27-2014 11:26 AM
    by PaColonial  Go to last post
  4. Can old gas boilers be changed from chimney to window venting?

    Started by DaisyM, 01-02-2014 04:35 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,525
    Last Post: 01-04-2014 05:38 PM
    by hvacvegas  Go to last post
  5. Energy saving for american standard furnace

    Started by bglenn1983, 12-10-2013 05:19 PM
    efficiency, short cycle
    • Replies: 3
    • Views: 452
    Last Post: 12-11-2013 10:48 PM
    by 54regcab  Go to last post
  6. Re-Using Chimney with 80% Effic unit

    Started by jbroberts38, 10-25-2013 11:06 AM
    efficiency, exhaust, flue
    • Replies: 4
    • Views: 629
    Last Post: 10-26-2013 01:52 PM
    by jbroberts38  Go to last post
  7. Honestly - Best Unit...Can't be Trane !

    Started by tedrhoads, 09-06-2013 03:13 AM
    2 Pages
    1 2
    efficiency, quality, service, trane, warranty
    • Replies: 14
    • Views: 1,680
    Last Post: 09-06-2013 09:22 PM
    by BaldLoonie  Go to last post
  8. Upgrade to 3 ton from 2.5?

    Started by SouthernGrown, 06-24-2013 01:01 PM
    amana, efficiency, thermostat
    • Replies: 5
    • Views: 709
    Last Post: 06-25-2013 12:04 PM
    by SouthernGrown  Go to last post
    • Replies: 3
    • Views: 1,400
    Last Post: 01-22-2013 06:50 AM
    by catmanacman  Go to last post
  9. Any leads on what this data means?

    Started by geercom, 08-28-2012 12:33 PM
    cooling, data center, efficiency
    • Replies: 0
    • Views: 798
    Last Post: 08-28-2012 12:33 PM
    by geercom  Go to last post
  10. TXV conversion?

    Started by Kemp, 07-09-2012 07:05 PM
    conversion, efficiency, piston, replace, tev, txv
    • Replies: 7
    • Views: 891
    Last Post: 07-09-2012 08:46 PM
    by Kemp  Go to last post
  11. co-mingling separate air handlers

    Started by kenvogt, 04-27-2012 03:38 PM
    efficiency, efficient comfort, thermidistat, thermostat, two-stage
    • Replies: 6
    • Views: 1,533
    Last Post: 04-27-2012 07:05 PM
    by kenvogt  Go to last post
    • Replies: 1
    • Views: 1,087
    Last Post: 03-07-2012 07:06 PM
    by skippedover  Go to last post
  12. 80% or 90%+

    Started by j4john10, 02-20-2012 04:58 AM
    efficiency, size
    • Replies: 11
    • Views: 1,367
    Last Post: 02-21-2012 04:02 PM
    by Kevin Weaver  Go to last post
  13. Unit Heater Efficiency over time?

    Started by bale, 08-19-2011 05:14 PM
    efficiency, energy, gas burner, heat exchangers
    • Replies: 6
    • Views: 1,140
    Last Post: 08-20-2011 08:28 AM
    by bale  Go to last post
  14. Unit Heater Efficiency over time?

    Started by bale, 08-19-2011 04:48 PM
    efficiency, energy efficiency, gas burner
    • Replies: 0
    • Views: 373
    Last Post: 08-19-2011 04:48 PM
    by bale  Go to last post
  15. Fluid Cooler sump temperatures

    Started by Rocketfire, 08-03-2011 04:22 PM
    cooling towers, efficiency, fluid cooler, heat transfer fluids, water cooled
    • Replies: 1
    • Views: 590
    Last Post: 08-03-2011 04:30 PM
    by freonr22  Go to last post
    • Replies: 0
    • Views: 501
    Last Post: 06-03-2011 01:25 PM
    by monocongo  Go to last post
  16. What is the efficiency of my present furnace?

    Started by montyfrost, 04-10-2011 04:10 PM
    efficiency
    • Replies: 4
    • Views: 912
    Last Post: 04-11-2011 12:36 AM
    by airtight_tech  Go to last post
  17. Replacing my 20+ year old furnace with ??

    Started by Shaftab, 01-12-2011 11:28 AM
    2 Pages
    1 2
    calculation, efficiency, furnace, lennox, stage, variable, york
    • Replies: 17
    • Views: 3,790
    Last Post: 01-13-2011 10:48 PM
    by amd  Go to last post
  18. Resource for looking up AFUEs on older units?

    Started by gnathanson, 09-14-2010 06:23 PM
    boiler manufacturers, efficiency, furnace
    • Replies: 1
    • Views: 748
    Last Post: 09-14-2010 06:47 PM
    by skippedover  Go to last post
  19. Efficiency riddle

    Started by dstrutto, 12-04-2009 12:27 PM
    boiler, combustion, efficiency, loss, riddle
    • Replies: 1
    • Views: 1,215
    Last Post: 12-04-2009 12:51 PM
    by beenthere  Go to last post
  20. High Efficiency Boiler Recommendations

    Started by RockyMtnHigh, 08-01-2009 11:56 PM
    boiler manufacturers, efficiency
    • Replies: 1
    • Views: 723
    Last Post: 08-02-2009 02:19 PM
    by gchank  Go to last post
    • Replies: 10
    • Views: 2,648
    Last Post: 04-28-2009 01:22 PM
    by quiensoyyo  Go to last post
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