I bought a window vacuum yesterday. Single-glazed windows means that we get A LOT of condensation on the windows when it’s really cold outside. Until now, I’d been mopping up the windows with towels, but another hockey parent tipped me off that lots of people use these to help keep up. It works well! Would I prefer that I didn’t need to vacuum my windows in the morning? Definitely. But if I have to deal with condensation, this is a better way than sopping wet towels.