The department and the division shall establish a voluntary working group of persons and interest groups with expertise in energy efficiency, including, but not limited to, such persons as electrical engineers, mechanical engineers, builders, contractors, architects, landscape architects, interior designers, nonprofit organizations, persons affiliated with gas or electric utilities, and persons with expertise in solar and renewable energy forms. The voluntary working group shall advise the department on the development of the energy efficiency standard and shall assist the department in implementation of the standard by recommending, reviewing and coordinating education programs for designers, builders, businesses and other interested persons to facilitate incorporation of the standard into existing practices.