How about Tsinghua Tongfang air energy heat pump?

Energy saving, high efficiency and good comfort.

1, Tsinghua Tongfang air energy heat pump does not use electric-thermal conversion for heating, but absorbs free air energy and converts it into indoor heat. 1 electric energy generates 3 heat energy. Air energy heat pump has outstanding energy-saving effect and short payback period.

2. When Tsinghua Tongfang air energy heat pump is used for heating, the indoor temperature gradient from the sole of the foot to the head gradually decreases, giving people the comfort of warming feet and cooling the head, which accords with the fitness theory of Chinese medicine and is a more comfortable heating method at present.