Moved 18 months ago into average 60’s three bed semi in good structural order. But the windows have a lot of condensation on winter mornings. The cold weather last night brought the first wet windows of the season. Last winter I mopped with kitchen towel every morning, but it’s time-consuming and expensive. Advice please on how I may avoid this and then how I may clear it. I am thinking of a dehumidifier - would I need one in every room? Is it easy to clear if I buy a Karcher window Vac? I don’t really want to buy a window vac, partly unexpected expense and partly finding somewhere to store it in a small house. Please help me with advice on dehumidifiers and tell me if you clear with a window Vac.