Buck Turgidson wrote:
snip
I think Edwin's response makes the most sense. Remember that heating a
house entails not just heating the air space, but the building materials
themselves (bricks, floor, drywall). If the temperature swings are too
extreme, there are diminishing, if not negative, returns.

No, there's ever increasing returns in terms of energy savings, but you
may incurr sufficient PITA 'costs' to make those savings not seem
worthwhile.


John
--
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