Ключевые слова: air, apartment, background, battery, central, climate, comfort, consumption, control, design, domestic, economy, efficiency, electric, energy, equipment, heat, heater, heating, home, hot, house, indoor, inside, interior, iron, maintenance, metal, modern, old, pipe, plumbing, power, radiator, regulator, room, season, seasonal, system, technology, temperature, thermal, thermostat, utility, wall, warm, warmth, water, white, winter,