After reading a facebook post on operation of home AC units and them freezing up when being cranked, I slowly have not been able to keep a temp of 32 in my upright freezer which is in my (100F?) garage. I'm not home to check it, but I think it was froze up. For those who have freezers in their garage, would this be normal? Note the freezer was bought about 3 months ago, new from Sears.