ENERGY STAR: Is it Time for a Change?

How do you know if it's time to replace your old heating and cooling equipment or improve the performance of your overall system? Source: U.S. Environmental Protection Agency, U.S. Department of Energy Released: 2003 Pages: 1 Publication ID: 351 Item number: 351 Tweet Download this publication for FREE (PDF format) This publication is available in electronic format only Related Publications Guide to Home Heating and Cooling More Information... Guide to Energy-Efficient Heating & Cooling More Information...