Texas Business and Commerce Code - BUS & COM § 608.002. Transfer of Manufacturer's Warranty

(a) If residential real property that includes an air conditioning system as a fixture to the property is conveyed to a new owner, a manufacturer's warranty in effect on that system or a component of that system on the date of the conveyance:

(b) A warrantor continues to be obligated under the terms of a manufacturer's warranty agreement for a warranty transferred under this section and may not charge a fee for the transfer of the warranty.

(c) The transfer of a manufacturer's warranty under this section does not extend the original term of the warranty agreement.