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This book is suitable for those who want to save money by becoming more energy efficient. It walks readers through the many alternative energy solutions that are doable and extremely efficient. It is completely revised and expanded to include the advances in science and technology. The appliances we use, the lights we turn on; these two items alone in our homes can account for upwards of 40 per cent of our total energy bill. For those who want to save money (and who doesn't?) by becoming more energy efficient and for those who want to go a step further and embrace the latest strategies in renewable and alternative energy systems, "Insulate & Weatherize" is about to lead the way. In this completely revised and expanded edition, the advances in science and technology shine brightly to walk homeowners through the many solutions for basic energy, airflow problems, heating and cooling systems, appliances and lights, mixed climate issues and alternative energy strategies that are doable and extremely efficient. With "Insulate & Weatherize" at hand, home energy costs won't soar through the roof, especially if there's a solar panel on it.