Hi all, been meaning to ask this question for a long time: do you keep the AC on or off for desired temp during winter?

Some say you keep it on its harmless to the car and advantage is it will not fog the windshields/windows; some say (and I usually do this) of course you turn off AC (but windows get fogged when its humid). I guess my concern really is if having AC on during winder will harm the AC system when its blowing warm/hot air. If not then I just keep doing the same thing as I do in summer and all year round and needing only to adjust to desired temp...

Any thoughts?

 

Leave it on to help prevent fogging - how many times have you seen cars with completely fogged up window driving? Too many to want to be anywhere near them driving! The compressor will turn off if it gets too cold outside.

 

Makes perfect sense, thanks!