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    luttrj's Avatar
    luttrj Posts: 1, Reputation: 1
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    #1

    Mar 12, 2015, 12:24 PM
    Gas heaters for home difference between 60,000BTU and 40,000BTU
    What is the difference between 60,000BTU and 40,000BTU in a gas heater for a house, not a hot water heater. Is there a difference in performance and price?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Mar 12, 2015, 01:44 PM
    20,000 BTU. BTU is heat input. 60,000 is 50% more then 40,000. You need to know the AFUE before saying one is better than the other . Of course there is a difference both in performance and price. More BTU, more $$. Why not have a professional HVAC person give you the particulars as there are many variables in determining what is needed.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Mar 12, 2015, 05:40 PM
    Yep, agree with ma. There is an industry standard formula to figure this out. http://www.wikihow.com/Calculate-BTU-Per-Square-Foot
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