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    mrrich's Avatar
    mrrich Posts: 7, Reputation: 1
    New Member
    		  
    #1

    Apr 21, 2011, 06:25 AM
    Combustion & Exhaust 95% furnace
    Is it OK to have the intake and exhaust pipes in separate locations for a 95% efficient furnace?
    Example- the intake/combustion pipe located on the side of the house and the exhaust/vent out the roof top.
    Should both the combustion air intake and exhaust pipe be located in the same atmospheric pressure zone or does this apply to the above?
    I am installing two Goodman GMVC95 units
    Also should I be concerned about the exhaust gas entering through a ridge vent or bath exhaust.How close can the exhaust pipe be to these.
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #2

    Apr 21, 2011, 10:44 AM

    It isn't recommended, but rarely presents a functional issue (unless there is high wind). Consult the installation instructions for required clearances regarding the vent terminations and roofline.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Apr 21, 2011, 09:23 PM
    Agree with KC13 on this issue. The manufacturers spend much time and money on there design of exhaust and fresh air intake systems. The instruction manual lists all approved methods.
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