Ключевые слова: air, apartment, appliance, autumn, background, beige, boiler, central, closeup, cold, comfort, consumption, control, design, domestic, economy, efficiency, electric, energy, facility, heat, heater, heating, home, hot, house, indoors, interior, metal, modern, new, nobody, object, pipe, plumbing, radiator, room, saving, system, temperature, thermal, utility, wall, warm, warmth, water, white, winter,