We get surface rust at worst so long as the owners even took a little care to wash them off after the winters.
Still occasionally see a rot box but it’s usually a life of neglect showing up in rust form.
Still occasionally see a rot box but it’s usually a life of neglect showing up in rust form.

I have 4 tons of a/c in my shop, no heat. This morning was a chilly 68° at 6:30am