GREE duct FREE - the best way to comfort your home - the future of heating & cooling equipment. We know Efficiency is a magic word in business. That’s why we create comprehensive products with consistent top-level performance. Our ductless systems and high-tech air filtration features expel energy waste and help eliminate bacteria and viruses – ensuring a comfortable, healthy, and productive environment that supports the whole team. Our constant pursuit of innovation means your guaranteed happiness. With a team of over 1,000 Research & Development technicians, our commitment to state-of-the-art quality control has yielded products like Terra, comprising an auto-adjustable air flow function, power-friendly inverter technology, and up to 27 SEER – advancing efficiency while receding utility bills.