Don’t try this at home! Chain saws and snow blowers don’t belong on roofs, and I would suggest you don’t either, especially in the winter. These guys are clearly…ahem, professionals.
One obvious down side would be landing in your living room snow blower and all. Preventative maintenance is the way to go. What does that mean? Start with some tips in our fact sheet on ice dams. You could also check out past articles such as this one in the Wall Street Journal . It’s that season again so be safe and be smart, take steps this year, with a home energy assessment and make sure you air seal and insulate right to avoid the problem in the future.