Articoli correlati a Heating Ventilating and Air-Conditioning (HVAC) Systems...
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The new emphasis on energy conservation has made heating, ventilating, and air-conditioning (HVAC) design work more demanding than ever before. Recent technological advances have made it more difficult too. That's why you are sure to welcome this practical aid that will show you how to handles these new complications―and make your estimating faster, easier, and more accurate. With this volume at your elbow, you can save yourself a lot of calculating simply by using its worked-out charts and tables. Where calculations are necessary, this working professional's guide shows you the easiest and best methods to use. Filled with valuable practical information, proven shortcuts, and ready-to-use data, this manual is a time and trouble saver for everyone involved in HVAC work―from full-time estimators to architects who need a briefing on the latest HVAC techniques. The manual offers you a thorough review of HVAC estimating criteria, followed by detailed discussions of all the major systems and components. A highly useful special feature is the manual's labor tables and material cost curves based on unit capacity ber Btu, cfm, and ton of refrigeration, etc. Created by a professional with extensive experience in the field, the manual is specifically geared to help solve everyday on-the-job problems. Some of the important topics covered are change-order analysis, renovation work, value engineering, and conceptual as well as ready-to-apply heating and cooling load calculations. Also included are tables for conversion to SI units. A complete chapter is devoted to design and estimating concepts, supported by numerous rules of thumb, checklists, and formulas for selecting the most economical desing for a given job.
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