By adjusting the proportion of products, the design not only satisfies the function of products, but also makes the products lighter in appearance, which improves the impression that conventional heat pump products are bulky. The design of the grille meets the demand of air flow in and out, and at the same time handles the products softly, making the equipment products home. Material use matte light injection molding technology to enhance the product's texture and affinity, while more sun-resistant and corrosion-resistant, color matching suitable for Chinese home environment, to meet the installation of different indoor and outdoor scenes.