dpb wrote:
CJT wrote:

dpb wrote:

CJT wrote:

...

...it will certainly be more expensive


I don't see why, ...


Because the input to reach the higher setpoint will also have higher
proportional losses owing to the higher delta-T to the outside.

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Sure, and I recognized that (in the part you snipped), but I think it's
small relative to the heat required to heat up the house and everything
in it.

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