Winter is the coldest period where you always require to heat (in northern Europe), but you still need to heat your house in autumn and spring. I usually start

Winter is the coldest period where you always require to heat (in northern Europe), but you still need to heat your house in autumn and spring. I usually start my gas boiler in October, but this year I started it only last week because we had 20-25 °C through the month, it felt like summer