That which belongs to her; the possessive case of she, used without a following noun
HERS (Home Energy Rating System) is a standardized system for rating the energy efficiency of residential buildings Home Energy Rating Systems are currently governed by two national industry standards: (1) the HERS Council Guidelines, which prescribe the accepted methods and procedures for rating a home, and (2) Mortgage Industry HERS Accreditation Procedures, which prescribe the method and procedures for the certification of Home Energy System by individual governments and the national home mortgage industry
You use hers to indicate that something belongs or relates to a woman, girl, or female animal. His hand as it shook hers was warm and firm He'd never seen eyes as green as hers Professor Camm was a great friend of hers
Home Energy Rating Systems are programs to provide the homebuyer with an estimate of a home's overall energy performance before purchase
In written English, hers is sometimes used to refer to a person without saying whether that person is a man or a woman. Some people dislike this use and prefer to use `his or hers' or `theirs'. The author can report other people's results which more or less agree with hers
Hers is sometimes used to refer to a country or nation. Used to indicate the one or ones belonging to her: If you can't find your hat, take hers. used to refer to something that belongs to or is connected with a woman, girl, or female animal that has already been mentioned