Ключевые слова: air, building, climate, cold, commercial, compressor, conditioner, conditioning, control, cool, cooler, cooling, equipment, exhaust, factory, fan, frame, heat, heating, home, hvac, industrial, industry, machine, machinery, metal, nobody, outdoor, outside, power, roof, rooftop, sky, steel, system, technology, temperature, top, unit, vent, ventilation, ventilator,