Our expert energy guides allow our customers to make smart cost saving decisions. intelli-home energy uses a proprietary rating system using scientific data during our Home Energy Evaluation at no cost to you (valued at $675). Homeowners save between 30% and 50% on energy costs; even 20 years from now, youll have the same energy cost, resulting in substantial savings. An intelli-home energy is any residence that uses energy efficiently from: water, air, electricity and natural gas. It is an air-tight, well insulated home that produces renewable energy. It costs less to operate and maintain, is healthier, safer and more sustainable.