Ключевые слова: adjust, adjusting knob, central, closeup, cold, comfort, consumption, cost, domestic, electric, electricity, energy, environment, floor, gas, hand, heat, heater, heating radiator, home, hot, house, household, interior, knob, modern, people, plumbing, power, price, radiator, reduce, room, saving, set, steam, supply, system, temperature, thermostat, utilities, valve, wall, warm, warmth, water, white, winter,