This year my family bought an oil fan heater at a department store. It cost 12,480 yen ($104.00 €84.90). My wife also bought 10L of kerosene at a gas station. It cost 1050 yen ($8.75 €7.14). She brought a tank of kerosene with her bicycle to our house. It took 10 minutes walk. The below is the link to Amazon.