Ключевые слова: air, background, battery, brick, calorifer, central, checking, climate, closeup, cold, comfort, consumption, control, convector, costs, domestic, economy, efficiency, electric, energy, expense, hand, heat, heater, heating, home, house, male, man, modern, optimize, person, plumbing, radiator, save, saving, season, system, temperature, thermal, utility, view, wall, warm, winter,