(1) A home warranty sold in this state may not exclude coverage because of the presence of rust or corrosion unless the rust or corrosion was a contributing cause of the mechanical breakdown or failure of a covered appliance, unit, or system.
(2) A home warranty contract providing coverage for wear and tear failures of components of an HVAC system, which contains an exclusion of replacement coverage for any other functional components of the HVAC system on the basis of operational compatibility or operational efficiency requirements as set by the manufacturer, must:(a) Set forth a disclosure in conspicuous boldfaced type that the home warranty contract does not cover replacement of functional components of HVAC systems for reasons of compatibility or efficiency requirements of the manufacturer unless additional coverage for such circumstance is purchased, and provide the website or telephone number for the consumer to contact to add such additional coverage to the home warranty contract; and
(b) Provide consumers the option to purchase additional coverage, for an additional charge, for the replacement of otherwise functional components of an HVAC system necessary to maintain the compatibility and operating efficiency requirements of the manufacturer.