I leave mine switched on all the time, only rebooting now and then to refresh it. My wife turns hers off whenever she is not contemplating using for a while, but she is worried about interruption of supply (gas)
Mine serves as a room light and heater as well.
News today said ""baby boomers"" or those born in the "blackout" did not turn lights off and drove gas guzzling cars. I go along with that, I shall reduce carbon dioxide emissions by not being cremated.
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