I previously had a home in Minnesota that was built in the 1950's. I
now live in a home that was built in 1991 in SW Ohio. The cold air
return vents are located on or near the ceiling. I think this is a
strange place for the cold air return vents. The heating vents are
located on the floor (as I would expect), but away from where the
windows are located. Maybe they do things differently in Ohio, but I
would expect the cold air return vents to be located on or near the
floor and the heat vents located under the windows. At least, that's
the way my house in Minnesota was constructed and that's what makes
the most sense to me. The rooms are evenly heated in the winter but it
doesn't seem right.
*Please REMOVE the obvious for my correct email address*
Surprise...the unit does not care where they are located.
A properly designed, and sized duct system, mated with a properly sized AC
and heat unit, will heat and cool the home in the manner that you, will
In CA, most homes were slab homes, and the units were placed either in the
attic, or in a garage..it didnt matter.
Here, in NC, we place them where it makes the most sense. If the unit will
be in the basement, one central return, or two, located in the walls,
feeding the lower unit....if its in the attic, one or two in the ceiling.
Makes no difference at all. The design, taking sizing, and unit SP into
consideration, is all that matters.
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