sliding door question
Unless you live where heating and cooling is not an issue look into new
doors, LowEargon glass, less air infiltration and frames that transmit
less can cut 10-20$ a month from each door in energy loss, your payback
might not be long unless you live in Hawaii where utilities are not an
issue. Door construction energy wise has improved dramaticly over what
you have, which is just inneficient leaking junk.
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