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  1. Replies
    5
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    218

    8'F set-back for 12 hours Everyday might save you...

    8'F set-back for 12 hours Everyday might save you ~10%
  2. Replies
    51
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    1,555

    http://efficientcomfort.net/Charts/Rules_and_Rules...

    http://efficientcomfort.net/Charts/Rules_and_Rules_of_Thumb_for_Duct_Systems.pdf
  3. Replies
    11
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    1,023

    What is the KiloWatt usage for EACH month for the...

    What is the KiloWatt usage for EACH month for the last 24 months?
  4. Replies
    11
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    1,023

    I DON'T KNOW WHY YOU made measurements without...

    I DON'T KNOW WHY YOU made measurements without the filter?

    To make it simple,
    What's the air velocity WITH the filter?
  5. Replies
    51
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    1,555

    I cannot see the outer jacket label 'from here'....

    I cannot see the outer jacket label 'from here'.

    You won't know if the unit is operating properly
    until you leave the t-stat set at 76'F and
    _ DON'T TOUCH IT _ for 2 weeks.
  6. A temperature setpoint of ABOUT 77.77'F would...

    A temperature setpoint of ABOUT 77.77'F would work JUST FINE.

    What are the electric bill$ / usage for EACH OF the last 24 months?
  7. Replies
    9
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    280

    1. NO.! ...

    1. NO.!

    http://www.achrnews.com/articles/diagnosing-a-restricted-liquid-line-can-be-tricky

    You need a reputable technician Obviously.
  8. Replies
    10
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    249

    IF you truly REQUIRE a 4-ton: 1. Your house must...

    IF you truly REQUIRE a 4-ton:
    1. Your house must be > 50 +/- years old without any improvements.
    2. TX built residences are very poor quality.
    OR
    3. Your house has > 400 square feet of windows...
  9. Heat Loss and Gain Calculation similar to Manual J

    2.5 ton A/C 13 SEER is adequate

    60,000 BTU/HR may be adequate for your 2,100 square foot, 2-story house
    if you are spending less than
    $1,100 per year on natural gas for Heating from...
  10. I don't understand _____________ __ __ Why...

    I don't understand
    _____________ __ __ Why anyone would make that run time correlation.
  11. A small, mini-split heat pump may be an...

    A small, mini-split heat pump may be an alternative as for supplemental heating.

    It's not possible from here to determine
    if a mini-split heat pump
    can be integrated with the ill-described...
  12. OVERALL LIFECYCCLE COST & PERFORMANCE NEEDS TO BE DETERMINED

    Economic Balance Point

    http://www.bls.gov/ro1/cpibosap.pdf

    $ 0.17 . kw-hr
    29.308 kw-hr/Therm 100,000 3,412
    $4.982 $ / therm
    ~2.95 C.O.P. [ H.S.P.F. ~ 10] for heating season average
    ...
  13. Replies
    13
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    429

    X 2 ... Common Sense is Not Common

    X 2

    ... Common Sense is Not Common
  14. When does SE FL get Any LOW cooling loads and...

    When does SE FL get Any LOW cooling loads and High outdoor dew points ?
  15. Replies
    13
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    429

    ----------------------------- Where are you...

    -----------------------------
    Where are you going to find a compatible R22, 3 ton,two-speed condenser?
    ........................................_____________

    I presume 2.5 ton, single speed would...
  16. Replies
    3
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    243

    2. Yes 3. Yes 1. Nothing is FREE, + one...

    2. Yes
    3. Yes

    1.
    Nothing is FREE, +
    one does Not achieve more Dehumidification without running a system longer.

    https://www.myinfinitytouch.carrier.com/Infinity

    Single Stage A/C...
  17. Replies
    4
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    224

    That is definitely NOT meeting the objective of...

    That is definitely NOT meeting the objective of Minimal operating co$t.
  18. So, what are the airflows to each room versus the...

    So, what are the airflows to each room versus the load analysis?

    Why is the proposed furnace efficiency only 80%?

    Is a three-ton, two-speed unit more appropriate with the addition of zoning?
    ...
  19. Replies
    13
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    581

    I presume heat gain is 30,100 BTU/HR SENSIBLE for...

    I presume heat gain is 30,100 BTU/HR SENSIBLE for 2,100 Square feet ...
    built in mid 1970's
    with no improvements to Thermal Building Envelope

    R-8 WALLS
    R-22 CEILING
    U 0.9 WINDOWS

    Fix...
  20. Replies
    4
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    305

    MFG INFO _____ :eek2: ____ ...

    MFG INFO
    _____ :eek2: ____


    http://www.lennox.com/products/air-conditioners/14ACX/
  21. Replies
    5
    Views
    317

    HERS Index < 0.73 Is 15 SEER the MINIMUM...

    HERS Index < 0.73

    Is 15 SEER the MINIMUM required for Phoenix?

    https://www.phoenix.gov/pddsite/Documents/iecc_amend.pdf

    Make sure your equipment selection and duct design is completed
    by...
  22. Replies
    6
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    367

    Google " Senville Minisplit Reviews"

    Google " Senville Minisplit Reviews"
  23. INCORRECT ... 2.5 TON DOES NOT PROVIDE > 32,400...

    INCORRECT ... 2.5 TON DOES NOT PROVIDE > 32,400 SENSIBLE CAPACITY
  24. Of course, R.H. will be frequently be > 50% when...

    Of course, R.H. will be frequently be > 50% when indoor temperature is less than 74'F.

    WHAT IS MISSING
    ... IS THAT IT _ _ THE WOOD IS TOO DRY_ _, RELATIVELY, OF COURSE.

    + 72'F and 45% R.H....
  25. The THERMAL and ENERGY COST$ Balance Points need...

    The THERMAL and ENERGY COST$ Balance Points need to be determined based on:

    YOUR THERMAL Building Envelope
    YOUR SPECIFIC Heat Pump Characteristics
    YOUR LOCAL environment ( Heating Degree Days -...
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