A method is disclosed for marketing energy-use optimization and retrofit services and devices. The first step in the present method is to measure empirical (base-line) performance including energy use and efficiency. A best-fit curve is generated and defined by at least a third-degree polynomial. Second,...http://www.google.de/patents/US20040059691?utm_source=gb-gplus-sharePatent US20040059691 - Method for marketing energy-use optimization and retrofit services and devices
