On Tue, 27 Jan 2015 18:07:27 -0500, Curmudgeon
wrote in
om

FWIW, don't count on saving any money over the life of the furnace though. High-efficiency furnaces break down a lot as they age.
Any fuel savings you accrue today will be eaten up with expensive repairs after the furnace is 10 years old or so.

+1
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