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    BOB CAT's Avatar
    BOB CAT Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 9, 2009, 09:38 AM
    To replace high efficiancy gas furance
    I hve 2700 sqft home. How many BTU high effeiciancy furnace is required to do the job. Please let me know if someone have any idea about Keepright brand & model number of the furnace.
    Thanks.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 9, 2009, 09:54 AM
    You will need to do or have done for you a manual J for exact furnace sizing since all else is guess work.
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #3

    Nov 9, 2009, 05:29 PM
    Quote Originally Posted by hvac1000 View Post
    You will need to do or have done for you a manual J for exact furnace sizing since all else is guess work.
    Indeed. Square footage is only one of many factors that determine heating requirements of a structure.
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