This guide will keep you cool Like its earlier editions, this fully updated guidebook is packed with practical information on installing, servicing, maintaining, and trouble-shooting air-conditioning systems. Whether you’re an AC professional, an independent repair technician, or a cost-conscious homeowner, everything you need is here. Clearly organized and loaded with diagrams and illustrations, it’s a vital addition to your toolbox. * Find concise, accurate information on installing and maintaining both residential and commercial systems * Understand the physics of air conditioning and filtration * Make accurate temperature measurements using various methods and devices * Work with room air conditioners, wa (more…)

“ENERGY: USE LESS-SAVE MORE THE CHELSEA GREEN GUIDES-A NEW SERIES OF POCKET-SIZED BOOKS TO HELP SAVE THE EARTH! Did you know that lowering the temperature of your thermostat by a mere 2 degrees Fahrenheit could reduce your energy bill by 10 percent? Or that energy-efficient light bulbs last about 12 times longer than ordinary bulbs and consume one-fifth the energy? This is just the beginning of what you-ll learn in this handy book, containing more than one hundred ideas for saving energy. These tips will save you money, and help you take your first steps in the fight against global warming. Also available: WATER: USE LESS-SAVE MORE COMPOSTING: AN EASY HOUSEHOLD GUIDE REDUCE, REUSE, RECYCLE: AN EASY HOUSEHOLD GUIDE ”

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