Energy Impact Illinois (EI2) conducted 1,600 phone surveys of mid- to high-income households. Its aim was to test program messaging and gauge attitudes toward home improvements and energy efficiency upgrades. The surveys provided a number of insights on the target audience's decision process.

This paper, which is based on detailed case studies of nine existing state and local programs, presents recommendations for energy upgrade programs to facilitate industry growth and support contractor business models.

This brief focuses on loan programs in 30 states that are currently providing low- to no-interest loans to finance energy efficiency improvements--from energy-efficient windows to replacement HVAC systems--in the residential, business, and public sectors.