Ключевые слова: ac, air, alternative, building, central, climate, comfort, compressor, concept, conditioner, conditioning, cool, cooling, cycle, device, domestic, eco, eco friendly, ecological, ecology, electric, energy, equipment, fan, green, heat, heat pump, heating, home, house, industrial, install, installation, insulate, machine, modern, outside, pipe, power, pump, pure energy, render, residential, save, source, system, technology, thermal, unit,