Air conditioner in Winter

Hello everyone, my growroom has a window unit air conditioner and now that's its getting colder and colder out I'm thinking of taking it out and possibly getting a portable ac. I was wondering though has anyone ran window a/c in winter and was successful without freezing the unit, I kind of don't want to take it out a get a new a/c unit?

you know i am going threw the samething at my place but i never had a problem with my unit durning the winter months its days like today that you cant just turn the a/c off or it will get to hot still just keep the snow off the unit and it will be all good

At one point i used one that also had a fan mode. Ran fan mode all winter, AC otherwise, and never had any issues
Hope this helps

It's my understanding that after it gets too cold it'll freeze up on the low pressure side of the condenser without a heater installed in it.

Ya last week one day is it was really cold and my unit just started making this clanking noise like something was in it. I think it was ice but ya my a/c has a fan mode ,Thanks Trent, so I use that at night and during the day it's warm enough to run a/c!