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Type: Posts; User: Call_me_Jake

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    Thanks guys for the input I will get the model...

    Thanks guys for the input

    I will get the model numbers but this is an option in the furnace manual and the basement is unfinished I assume there is enough volume. The boiler needs to be vented to...
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    Thanks for the reply. The installer wants to do...

    Thanks for the reply.
    The installer wants to do what's easiest for him. Says we should drop the intake, let the furnace draw combustion air from the basement and run the exhaust to the far side of...
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    Furnace venting

    Hi,
    I am having trouble routing the intake/exhaust for a furnace and combi boiler that are both direct vent, basically where to have them exit the house. The house is two stories with a walkout...
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    Thanks, that makes sense. If that is the...

    Thanks, that makes sense.

    If that is the case, dropping to a 12x6 from 12x12 would double the velocity. At 66 cfm, it would go from 66 fpm to 132.

    I read somewhere that 700 fpm was the max...
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    Grille and duct sizing

    Hello, I had a HVAC design done for a home I am building.

    The return air in one of the bedrooms calls for a 12x12 grille @ 66 cfm.

    I was planning on running stack duct in the wall instead of...
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