Ключевые слова: additional payment, ancillary costs, apartment heating, cash, cold, consumption, cost, district heating, district heating costs, efficiency, electricity costs, energy, expenses, finances, fuel oil, gas costs, gas heating, heat, heating, heating bills, heating costs, heating costs bill, heating oil costs, heizkosten additional payment, hot water costs, living costs, money, night storage, night storage costs, price increase, rate, rise in prices, thermometer, warmwaterberg,