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  1. IT ABSOLUTELY DOES, IF the HOME-OWNER provides...

    IT ABSOLUTELY DOES,
    IF
    the HOME-OWNER provides
    .......................... _THE APPROPRIATE_ Building Thermal Envelop and Historical Energy Use information.

    Of course, one has to have some...
  2. NEED TO RE-EVALUATE _R E A L_ CAPACITY REQUIREMENT

    Keep It Simple:

    2-Ton Heat Pump with two 3-kw heat strips
    ______________ 4,400 Heating Degree Days (HDD) in Northern VA

    14'F Design Temperature per ASHRAE

    Heat Pump will provide > 80%...
  3. Load Calc is _a Farce_ or ONLY An Example if you...

    Load Calc is _a Farce_ or ONLY An Example if you will.
    It HAS NOTHING to do with Reality.
  4. Replies
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    http://www.thermastor.com/Ultra-Aire-XT105H I...

    http://www.thermastor.com/Ultra-Aire-XT105H

    I sent Contractor RECOMMENDATION in an E-MAIL.
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    No MORE so than Trane/ American Standard,...

    No MORE so than Trane/ American Standard, Carrier/Bryant or Lennox/ ...
  6. 4th one on the list ...

    4th one on the list

    http://www.warmingupcanada.hvacrheritagecentre.ca/index.php/technologies-eng/fournaise_central-central_furnace-eng.html#a4
  7. http://www.consumeraffairs.com/homeowners/goodman-...

    http://www.consumeraffairs.com/homeowners/goodman-manufacturing.html
  8. An appropriate response would involve the SYSTEM...

    An appropriate response would involve the SYSTEM PERFORMANCE involving more than a dozen parameters, not a brand evaluation.
    ...
  9. ONE SYSTEM Basement should be one zone. First...

    ONE SYSTEM
    Basement should be one zone.
    First Floor should be one zone.
    = 2 zones on 1 system
  10. CARRIER ...

    CARRIER

    http://catalog.dcne.com/catalog/WebCatPageServer.exe?PROD_FULL&ProdInfo=00004000001


    LENNOX

    http://www.lennox.com/products/furnaces/SLP98V/

    IT DEPENDS
  11. 55,000 BTU/HR for 2,800 S.F.. @ 0'F

    60,000 BTU/HR Furnace _might be_ Adequate.

    Two-stage should be investigated.

    Heat Loss is calculated in the range of 55,000 BTU/HR (Attachment)
    BASED ON
    2,800 Sq Feet
    30 years old
    Great...
  12. They don't call it WAR RANT Y for No reason.

    They don't call it
    WAR RANT Y for No reason.
  13. IN Addition, Measure the CO continuously ...

    IN Addition,

    Measure the CO continuously

    with an AUTO low ( 20 ppm) alarm setpoint.

    http://www.amazon.com/ProTech-8505-Commercial-CO-Monitor/dp/B000JVQVFS
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    T-stat is lowered to 75'F to have slightly longer...

    T-stat is lowered to 75'F to have slightly longer run times.
    My Relative Humidity has increased to only 46%
    ............................ (usually 40% in the Summer with t-stat set at 78'F).
    ...
  15. YOU might be able to get a calibrated thermostat...

    YOU might be able to get a calibrated thermostat to within 1'F for about 170 bucks.

    Enjoy?!!!!
  16. Replies
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    Supply Air Temperature Expectations

    http://www.upgnet.com/PdfFileRedirect/571471-LTG-C-1012.PDF
    ,,...................................... ,, RA .. 68'F

    'F _k BTU/HR Dt RA Temp + Dt
    47 _23.30 __ 23.971 ___ 91.971 xxx 10 =...
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    You can figure +/- 15% for a Manual J calc. and...

    You can figure +/- 15% for a Manual J calc.
    and +/- 30% on the equipment and air flow distribution system.

    AND even with that + A LOT OF EXPERIENCE & SKILLS have a
    PERFORMANCE that the...
  18. Thread: New home

    by dan sw fl
    Replies
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    310

    http://www.bryant.com/products/ac/legacy.shtml ...

    http://www.bryant.com/products/ac/legacy.shtml

    .......
    113
    ........
    http://dms.hvacpartners.com/docs/1009/Public/0B/PDS113A-04.pdf
  19. Thread: New home

    by dan sw fl
    Replies
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    310

    Looks like Texas is fairly FAR BEHIND THE TIMES ...

    Looks like Texas is fairly FAR BEHIND THE TIMES
    when updating their residential code requirements.

    http://www.tdi.texas.gov/wind/dwnloads.html
  20. Replies
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    Are you considering a heat pump? How many...

    Are you considering a heat pump?


    How many Heating Degree Days (HDD) in your locale?
  21. Replies
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    _Sounds like_ existing furnace might be a lot...

    _Sounds like_ existing furnace might be a lot larger than _ in the range of 60,000 BTU/HR

    ONLY 20,000 BTU/HR might be More Than sufficient.

    YES, it could be more than 3 X too large
    BASED ON...
  22. My "adjusted bid" would be less than 80% of the...

    My "adjusted bid" would be less than 80% of the asking price.


    OF COURSE, there are a lot of Other houses.
  23. Replies
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    I am absolutely NOT going to pay top dollar for a...

    I am absolutely NOT going to pay top dollar for a hou$e with a nearly 30 Year Old HVAC System.

    + it would force me to take a FINE TOOTH COMB approach to REVIEW of ALL Appliances, roof, ......
  24. If properly maintained, Why Not?...

    If properly maintained, Why Not?
    http://jotul.com/us/guides/getting-started-with-gas

    Moderate Winters is not very explicit.
    Rarely goes below 38'F?
    Never goes below 28'F?

    I am not aware of...
  25. Replies
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    Are you in Oregon? Yes, you may have someone to...

    Are you in Oregon?
    Yes, you may have someone to discuss YOUR Situation.

    Steps outlined ...
    http://www.oregon.gov/energy/RESIDENTIAL/Pages/select_a_heating-cooling_system_for_home.aspx
  26. Replies
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    Your BEST advice for the Pacific NW will come...

    Your BEST advice for the Pacific NW will come from Travis Smith at SKYHEATING in PORTLAND OR

    http://skyheating.com/about-sky-heating-portland.htm

    It seems like both are providing reasonable...
  27. Have a local auditor test your home....

    Have a local auditor test your home.
    http://energy.gov/energysaver/articles/blower-door-tests
  28. not a listener AT ALL.

    not a listener AT ALL.
  29. Replies
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    Coefficient of Performance > 2.5

    Typical C.O.P. at 15'F = 2.5

    ATTACHMENT page 12
    :payattention:
  30. It just seems that you may have a death wish....

    It just seems that you may have a death wish.
    Everyone here has their FIRST PRIORITY = SAFETY

    http://www.watkinsheating.com/blog/cracked_heat_exchangers/
    .
    . L I S T E N....
  31. Replies
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    Air change per hour as stated is _10 X normal_.

    Air change per hour as stated is _10 X normal_.
  32. Replies
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    EQUIPMENT SIZE CORRELATED TO Thermal Building Envelope, WEATHER AND GAS USE

    Equipment size is about 3X what is actually required.
    .... 100,000 BTU/HR Output versus 34,000 ....
    Run times are Obviously going to be minimal.

    34,000 BTU/HR HEAT LOSS at 10'F
    ...
  33. Replies
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    One would expect run time to be about 15 minutes...

    One would expect run time to be about 15 minutes per hour the majority of the time
    for a 125,000 BTU/HR - 80% efficient furnace
    using ~ 840 THERMS per year with 4,960 Heating Degree Days...
  34. Replies
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    125,000 BTU/HR / 80% Furnace Run time __...

    125,000 BTU/HR / 80% Furnace

    Run time __ Outside
    per hour ___Temp_ Heat Loss
    13 Minutes _ 40'F _ 21,500 BTU/HR
    18 Minutes _ 30'F _ 28,700 BTU/HR
    22 Minutes _ 20'F _ 35,900 BTU/HR
    27...
  35. Replies
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    60,000 BTU/HR MORE THAN ADEQUATE

    Gas use should be < 240 Therms in the coldest month and 1,080 therms per heating season

    TYPICAL FOR JEW JERSEY
    5,000 Heating Degree Days for season
    1,100 Heating Degree Days for coldest month ...
  36. Replies
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    125,000 BTU/HR would need Two 16" Returns or...

    125,000 BTU/HR would need
    Two 16" Returns or One 22" diameter Return.
    ______________________________________
    Furnace is at least TWICE TOO BIG.


    50,000 BTU/HR would normally be MORE THAN...
  37. Replies
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    It will only cost a few/several hundred bucks to...

    It will only cost a few/several hundred bucks to set it up one way, only to
    have it set back to - - - - P E R F E C T - C O M F O R T - - which is What YOU Have today.
  38. Replies
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    YOU will likely find out that the OFF period is...

    YOU will likely find out that the OFF period is increased when USING only HIGH stage
    ...........................___ .. :whistle: .. _____________
    ...... which ACTUALLY results LESS Comfort for the...
  39. Replies
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    _ Pseudo -Engineers _ OR still students. if...

    _ Pseudo -Engineers _

    OR still students.

    if you don't Know what I Mean,
    reference provided.

    http://dictionary.reference.com/browse/pseudo
  40. Replies
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    JOIN ASHRAE

    https://www.ashrae.org/resources--publications/bookstore/handbook-online

    __________________ :whistle: ____________________
  41. https://www.manualowl.com/p/Honeywell/TH4110D1007/...

    https://www.manualowl.com/p/Honeywell/TH4110D1007/Manual/13820

    I don't understand How there are Two Simple (non-communicating) thermostats
    set-up on ONE furnace.
  42. The range of a thermostat & heating/cooling...

    The range of a thermostat & heating/cooling system
    ought to be considered about 3'F on some older equipment
    and with the inherent limitations of air distribution performance.

    If one wishes to...
  43. Replies
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    S. FL: Are you close to the Atlantic Ocean? I...

    S. FL:
    Are you close to the Atlantic Ocean?

    I wouldn't Select the C HEAPest Equipment and Contractor

    http://www.bryant.com/products/heatpumps/
  44. Is the thermostat set at 69', 76' or 81'F?

    Is the thermostat set at 69', 76' or 81'F?
  45. Replies
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    Everything sounds just about PERFECT.!.!!! ...

    Everything sounds just about PERFECT.!.!!!

    What is the relative humidity?
  46. Replies
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    http://www.chimneyballoon.us/catalog/item/2257305/...

    http://www.chimneyballoon.us/catalog/item/2257305/8952873.htm
  47. DESIGN CONDITIONS ASHRAE DATA 2009 EDITION ...

    DESIGN CONDITIONS
    ASHRAE DATA 2009 EDITION

    MEMPHIS INTERNATIONAL AP 35.06N 89.99W
    331 ELEVATION
    99.6% ___ 99.0%
    __ 17.0 __21.7'F
    DB = DRY BULB WB = WET BULB
    0.4%
    DB / WB
  48. Define: Insulation, Air Change per Hour (a.c.h.)

    In an attempt to not use some select 4 letter words,
    let me just say: Calc is bogus.! A Shame.!
    ______________ unless, of course, you have something like: > 1,500 feet of duct in a 180'F [-10'F ]...
  49. Another, LESS Conservative, CORRELATION

    Using previous winters ( NOT last year) average and an arbitrary 8% for hot water use,
    the heating oil usage is 680 gallons given 5,200 HEATING DEGREE DAYS (HDD)

    Given my correlation of the...
  50. Replies
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    1,500 square feet salt box in Western KY ......

    1,500 square feet salt box in Western KY ...
    1998
    not a lot of information.
    ...HOWEVER, Heat Loss = ~ 30,000 BTU/HR ____ 70 - 14'F = 56'F = dT
    ................ HEAT GAIN ~ 23,000 BTU/HR ......
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