Transcription of HVAC Ducting Principles and Fundamentals
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HVAC Ducting Principles and Fundamentals
PDHonline Course M246 (4 PDH) hvac Ducting - Principles and Fundamentals2012 Instructor: A. Bhatia, Online | PDH Center5272 Meadow Estates DriveFairfax, VA 22030-6658 Phone & Fax: Approved Continuing Education PDH Course M246 CONTENTS INTRODUCTION 1 duct COMPONENTS 1 duct CLASSIFICATION 2
3. High Velocity Duct Systems: High-velocity (HV) duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. Low-velocity ductwork design is very important for energy efficiency in air distribution systems. Low-velocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter
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