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    Cooling Load from- Solar Heat Gain

    Im using this standard formula for calculating soar heat gain BTU
    qsol = ASHGCI
    where : qsol solar gain [BTU/day]
    A- area in - [sf]
    SHGC solar...
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    Thank you

    Thank you very much for your help,
    yes i will try to ask something harder next time
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    Disconnected ducts in the ceiling

    Good morning HVAC Engineers
    Thank you for being here for us, beginners

    I have a building, it has a drop-down ceiling, and in that area the HVAC supply ducts are disconnected, so the air doesn't...
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    937

    Software

    What software a re you using, ?
    is it free ?

    Thank you !
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    I agree, when i calculated the my Q - air flow ,...

    I agree, when i calculated the my Q - air flow , i took in consideration the stack affect, and wind effect.
    Q= A*C*ΔP
    where A - area of the leakage
    C- flow coefficient
    ΔP - pressure difference...
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    i used this sensible heat equation : qs =...

    i used this sensible heat equation : qs = QρcpΔt

    qs = sensible heat load, W
    Q = airflow rate, m3/s
    ρ = air density, kg/m3 (about 1.2 at or near sea level)
    cp = specific heat of air, J/(kgK)...
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    937

    What CFM do you mean ? Q is my CFM , or if i...

    What CFM do you mean ? Q is my CFM , or if i dived by volume and * by 60 is going to be ACH,
    and instead of delta T, i used HDD and CDD, and is 0.018 heat capacity of air
    interesting !? i...
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    Energy Savings from Air Leakage

    Hi everybody
    i'm doing a project about energy losses in a building through the envelope, infiltration mostly ,
    I did some calculation and I'm not sure if i did them right, and if i took everything...
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