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Thread: Help Finding the Size on Old Air Conditioner

  1. #21
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    Nov 2016
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    Hi, thank you for all the help wanted to ask you about the gas furnace it was built 1972 is 125,000 BTU we want to replace that also what size would be need?

  2. #22
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    Nov 2016
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    we are looking at 80% and 95% 96%

  3. #23
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    Nov 2004
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    FURNACE SIZING, SELECTION, OPERATING COST

    Quote Originally Posted by QC91 View Post
    Hi, thank you for all the help wanted to ask you about the gas furnace it was built 1972 is 125,000 BTU
    we want to replace that also what size would be need?
    42,200 BTU/HR Heat Loss at 35'F

    SELECTION: 60,000 BTU/HR at 90%
    ... BLOWER MUST BE CHECKED AS SUFFICIENT FOR THE SELECTED CONDENSER & COIL SIZE

    ESTIMATE : $864 per year [ 2,100 HDD ] based on $1.28 / therm Natural Gas

    ATTACHMENTS
    Designer Dan __ It's Not Rocket Science, But It is SCIENCE with Some Art. _ _ KEEP IT SIMPLE & SINCERE ___ __ www.mysimplifiedhvac.com ___ __ Define the Building Envelope & Perform a Detailed Load Calc: It's ALL About Windows & Make-up Air Requirements. Know Your Equipment Capabilities

  4. #24
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    Nov 2016
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    Thread Starter
    Thank you for all the help

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