Ключевые слова: apartment, building, building services, buildings, caucasian, central, central heating, checking, close up, closeup, cold, comfort, conditioner, control, cool, copy space, domestic, economy, energy, expensive, female, finger, gas, hand, heat, heater, heating, heating costs, heating engineering, heating system, home, house, house technic, household, indoors, inside, interior, knob, metal, modern, person, radiator, regulator, system, temperature, temperature controller, thermostat, valve, wall, winter,