Abstract Evaluation efforts of utilities with active home energy audit programs were reviewed to provide insights into the operations and effectiveness of existing utility home energy audit programs. About half the utilities contacted had little or no evaluation activity. Of those with evaluation activity, most conducted only informal evaluations for in-house use. A few utilities had conducted fully documented formal evaluations. On the basis mainly of written reports received from the utilities, findings about customer response to programs are summarized. The topics discussed include: determinants of program participation rates, use of financing, attitudes toward programs, actions taken, characteristics of participants and energy savings due to programs.