dpb wrote:
....

Well, here it isn't--they'll duct it normally w/ vents in used space.
Seems a terrible waste otherwise to heat w/o any control all that volume.

Anything built in the last 20 years or so anyway, that is. Back in the
60s and earlier one saw lots of things done that make no sense
whatsoever under today's operating costs. That sorta' changed in the
70s and by 80s pretty much gone around here.

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