Below, we explore various methods to stay warm without depending heavily on central heating. Focus on warming yourself, not the entire roomAs long as you're warm, the temperature of the surrounding air is less critical. Using hot water bottles and electric blankets to stay warm at night can be far more efficient than heating your entire house while everyone is asleep. ‌Avoid heating unused spacesThere's no sense in wasting money on heating rooms that aren't frequently used. Consume plenty of hot drinksIf you have a flask, fill it with hot water after boiling the kettle to save money on every cup of tea you make.