Home Energy Rating System Council Guidelines
The Home Energy Rating Systems Council (HERSC) is a nonprofit association whose focus is to promote residential energy efficiency nationwide by linking home energy rating programs with financing for energy-efficiency improvements. The council maintains that once the linkage between home energy ratings and energy-efficiency financing is established, energy-efficient homes will become more available and affordable.
The council draws its members from the full spectrum of the housing industry and financial community. These include individuals from the appraisal industry, builders, certified raters, consumer groups, contractors/retrofitters, energy and environmental groups, state and local governments, mortgage companies, product and equipment manufacturers, real estate professionals, and utilities.
Home energy rating systems (HERS) measure and rate the relative energy efficiency of any house, regardless of its age, location, construction type, or fuel use. The rating evaluates the performance of the thermal envelope; glazing strategies; siting; the heating, ventilation, and air-condition (HVAC) system; and other criteria and is obtained by onsite inspection. HERS calculations include estimates of annual energy performance and costs and can provide insight into cost-effective, energy-efficiency improvements. Under the voluntary guidelines, homes would receive an energy performance rating of one to five-plus stars. The guidelines spell out the minimum appropriate procedures for assigning energy ratings to homes and encourage consistency with a uniform plan for energy-efficiency financing.