Jun 1, 2005 #1 jamesmichael Mechanical Joined Jun 1, 2005 Messages 1 Location US I am working on a condo project in MA. I am using 90+ furnaces sealed combustion, in a mechanical room. I would like to use the mechanical room as a plenum for the return. Is this a code issue.
I am working on a condo project in MA. I am using 90+ furnaces sealed combustion, in a mechanical room. I would like to use the mechanical room as a plenum for the return. Is this a code issue.