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Type: Posts; User: rwilkers

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    Yes

    Mainly I was concerned about cooling, I have radiant floor heating with a solar primary so I only needed forced air for the upstairs, but yes, three ton would be fine for both heating and cooling.
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    Results

    Seems the best proof is the empirical. During construction I put in a 7k and 5K window upstairs. During the worst days of summer the interior temperature upstairs or downstairs never exceeded 77...
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    Should have given more info.

    Sorry, should have given more info, When I ran the program I made the following assumptions..

    Put in 3 people in each zone, actually only two will live in the house.
    Put in 2000 Watt "Misc" in...
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    Heat Calc from Contractor A

    The upstairs heat gain was 17,213 btu's for cooling
    The upstairs heat loss was 20,433 btu's for heating
    Nominal tonage on a 2-ton is 24,000 btu's

    The downstairs heat gain was 42,879 btu's for...
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    Bids vs HVAC-CALC results

    Building a new home, it is 2000 sqf on the first floor, and has a partial loft area with a 8/12 pitch cathedral ceiling. Usuable floor space total for first and second is approximately 2800 sqf,...
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    Bids vs HVAC-CALC results

    Building a new home, it is 2000 sqf on the first floor, and has a partial loft area with a 8/12 pitch cathedral ceiling. Usuable floor space total for first and second is approximately 2800 sqf,...
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    General Supply Duct Design

    In the process of planning a new house. All the duct will be in the conditioned space therefore I have to plan duct chases for it (note this is not a DIY, this just pre-planning for what the...
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