The Recovery Act Evaluation was performed to provide information on the costs and benefits of WAP services in different parts of the country and for different types of housing. It was also performed to provide a comprehensive picture of the Program (including the characteristics of the clients, housing stock, and service providers), assess program administration, document experiences during the Recovery Act period, and conduct several special studies.

The Retrospective Evaluation was performed to provide information on the costs and benefits of WAP services in different parts of the country and for different types of housing. It was also performed to provide a comprehensive picture of the Program (including the characteristics of the clients, housing stock, and service providers) and assess program administration.

The purpose of this report, prepared by sustainability consulting firm iSpring, is to provide the results of the EnergyWorks program to the contractors and auditors who participated, along with information on lessons learned over the course of the program that might prove helpful in their future work.