I'm thinking of letting my house freeze this winter, and am curious if this will damage anything. My understanding is that most older electronic equipment can stand freezing, as long as you warm them up slowly and don't operate them when cold. I doubt if anything in my darkroom is less than 25-35 years old. A dry mount press. A super chromega head. An old Beseler timer. I'll probably leave a camera or two behind and some lenses. It will likely get down to 20-30F below zero at times. But I'm thinking they will all probably be fine if the house is warmed up gradually. What do you think?