I hope you are getting better jbug-
i am not sure, but Hospitals are usually cold because of the germs and virus's that grow in the warm and damp air.

Maybe keeping the heat as it was would be the best for your health and also the pocketbook!
I think that virus'

grow in the warm places and the cooler temps keep them down. I keep my apt. around 70fdegrees, i grew up at 68degrees farenhight and told to put on a sweater if we were chilly.
I hope you are getting over the infecton and feeling more better. blessings kk101