Me. Stat. tit. 14 § 6021

An agreement under this subsection may not be entered into or maintained if a person over 65 years of age or under 5 years of age resides on the premises. A landlord is not responsible if a tenant who controls the temperature on the premises reduces the heat to an amount less than 68 degrees Fahrenheit as long as the landlord complies with subsection 6, paragraph B or if the tenant fails to inform the landlord that a person over 65 years of age or under 5 years of age resides on the premises.

7.
Rights are supplemental.