We set ours below 60 at night but we use electric space heaters in the room, which brings the temp up. (crunchydomesticgoddess.com)
The back page of the «Report on Business» section of the Nov. 29/10 Globe and Mail is a full page add for a type of electric space heater. (slaw.ca)
TRY to keep outlets that you plug high energy things like hair dryers and curling irons as well as electric space heaters on separate circuits than the lights etc.. (biggerpockets.com)