Ключевые слова: autumn, background, bill, black, building, business, central, climate, cold, concept, consumption, control, copy, ecology, economy, efficiency, electricity, energy, family, heat, heating, home, hot, house, household, insulation, knitted, model, object, power, property, realty, save, saving, scarf, season, space, system, table, temperature, text, thermal, warm, warming, winter, wooden,