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  1. #14
    Join Date
    May 2005
    Location
    toronto canada
    Posts
    25
    What were you setting the thermostat to before or were you turning the system off until you were uncomfortable?

  2. #15
    Join Date
    Jul 2005
    Posts
    8
    We used to set it at 75 and it would rise to the low 80's. Now when we wake up we try to get the house down to 72 and it will rise and stop around 79.

    What about raising the fan speed and baffling some of the vents on the cool (east) side of the house?

  3. #16
    Join Date
    Feb 2003
    Location
    Huntsville,AL
    Posts
    4,125
    install trellis with vines in front of windows -- get sun shade screening -- install awnings -- apply reflective film on windows -- do not show house in hot evenings --

    here in Huntsville AL, my house drifts to 80F when temp reaches 92F -- but I am using 5000 btu/h a/c -- bill for 30days ending 7/20 was $63 -- equates to 1.6- 1.74 btu/DegreeDay/sq ft = 2133sf trilevel house.

  4. #17
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,429

    Exclamation Sizing

    Originally posted by cem-bsee
    here in Huntsville AL,
    my house drifts to 80F when temp reaches 92F --
    but I am using 5000 btu/h a/c --
    bill for 30days ending 7/20 was $63 --
    equates to 1.6- 1.74 btu/DegreeDay/sq ft
    = 2133sf trilevel house.
    I ddn't realize a 1/2-Ton unit could
    cool > 2,000 square foot house.

    Manual J should be updated to reflect this New Science!
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

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