C.R.S. § 6-1-1810: Warranties and maintenance.

(1) A solar sales company shall provide a warranty against roof damage and water infiltration at each roofing penetration made during the installation of a residential solar electric system, which warranty must last for at least four years after the completion of the installation.

(2) A solar sales company shall provide a warranty to address defects in the workmanship of a residential solar electric system, which warranty must last for at least four years after the completion of the installation.

(3) If a solar sales company provides a long-term maintenance plan for a residential solar electric system or residential battery energy storage system, the plan must be made available in writing and verbally explained to the consumer. If a solar sales company does not provide a long-term maintenance plan, the solar sales company shall provide the consumer with a written explanation as to why a long-term maintenance plan is not being provided.