Ключевые слова: apartment, bright, buildings, central, convection, cooler, cost, costs, energy, exchanger, flat, heat, heating, home, hvac, incidental, installation, interior, metal, modern, modernity, nobody, pale, parquet, pipe, power, pure, radiation, radiator, ribs, room, structure, system, technology, temperature, thermal, thermostat, tube, wall, warm, warmth, weiss, white,