The unit has the functions of cooling and heating, and can achieve direct air supply over a long distance without ducts. It has the characteristics of saving space, greatly reducing one-time investment, and low operating costs. The unit adopts a spherical nozzle with superior performance as the air outlet, and the air supply angle can be adjusted manually within 60 degrees or using the controller, so that cold and hot air can reach the required position, creating a comfortable air-conditioning environment. The outlet direction of the spherical tuyere can be horizontal air supply or vertical downward air supply.