Ключевые слова: appliance, architecture, building, central, closeup, cold, comfort, consume, consumption, detail, domestic, energy, expense, gas, green, heat, heater, heating, home, hot, house, industry, interior, knob, metal, object, old, open, optimize, pipe, plumbing, radiator, regulator, room, save, saving, season, stone, system, temperature, thermal, thermo, thermostat, tube, turn, valve, wall, warm, warmth, water, white, winter,