ENERGY SAVERS helps lower operating costs of apartment buildings by reducing energy usage. FINANCING Energy Savers loans are secured with a second mortgage lien. The first mortgage lender must allow the Energy Savers subordinate loan to be secured with a subordinate mortgage. The property must be: 1. An apartment building with at least five (5) residential units, and 2. Located in the cities of Chicago or Rockford; or the Illinois counties of Cook, Lake, Kane, DuPage, Will, McHenry, or Kendall, and 3. In need of energy-related repairs.