On Fri, 3 Mar 2017 03:42:36 -0800 (PST), wrote:

Occupancy pattern is key I think. If you work varying hours a bimetal
works better.

Only if you remember to turn it down *every* time you go out and are
happy to come back to a cool house.

A programable stat can be set to automatically fall back every few
hours, then you only have the cool house on return issue.

--
Cheers
Dave.