his definitive homeowner's guide to solar energy has arrived at just the right time. With the cost of heating oil and electricity fluctuating wildly, consumers are clamoring for information on alternative energy. This source book covers all the relevant technologies, including solar space and water heating, as well as photovoltaic electricity. It's practical (with cost calculators, tips on taking advantage of rebates and tax incentives, and advice on finding specialized contractors). And it's authoritative, written by a recognized expert in the field, Everett Barber, Jr., who has 30 years' experience installing all kinds of solar energy systems. Co-author Joseph Provey has been writing about the topic for almost as long. Together, they cover every facet of planning, installing, operating, and maintaining a residential solar energy system.