Check if you've got heating controls that they're set to a comfortable level and that your heating is only coming on when you need it on because if it's on when you're out, it's just wasting energy.
檢查你是否有暖氣控制,它們被設置到一個舒適的水準,並且你的暖氣只在你需要的時候打開,因為如果它在你外出時打開,它只是在浪費能源。