Utah Code § 41-6a-1640: Air conditioning equipment -- Requirements.

(1) As used in this section, "air conditioning equipment" means mechanical vapor compression refrigeration equipment used to cool the operator or passenger compartment of a motor vehicle.

(2) Air conditioning equipment shall:

(a) be manufactured, installed, and maintained with due regard for the safety of the occupants of the vehicle and the public; and

(b) not contain any refrigerant which is toxic to persons or which is flammable.

(3) A person may not have for sale, offer for sale, sell, or equip any motor vehicle with air conditioning equipment unless it complies with the specifications adopted under Section 41-6a-1601 and this section.

(4) A person may not operate a motor vehicle on a highway if the motor vehicle is equipped with air conditioning equipment unless the air conditioning equipment complies with the specifications adopted under Section 41-6a-1601 and this section.