• H? th?ng chiller là h? th?ng làm l?nh b?i chiller k?t h?p v?i các thi?t b? nh? b?m n??c, ???ng ?ng ?? ??a ???c n??c l?nh ??n các không gian c?n làm mát.Refrigerant: Air conditioners and heat pumps use this material to transfer warmth indoors or outdoors. The equipment of the HVAC system makes use of a warmth exchanger to transform refrig