Ключевые слова: air, apartment, autumn, background, climate, closeup, cold, comfort, control, copy, design, domestic, economy, efficiency, electric, energy, heat, heater, heating, home, hot, house, indoors, infrared, interior, lamp, manual, modern, object, portable, radiator, room, saving, seasonal, space, system, technology, temperature, text, thermal, warm, warmth, winter,