Amazon.com description: Product Description: Read and use HVAC plans and blueprints like today's professionals with the latest edition of this widely popular resource! With a focus on air conditioning drawings and hands-on exercises that were the cornerstone of previous editions, Blueprints and Plans for HVAC, 3E aims to help readers master the basics of blueprint reading and apply their new skills to work in the HVAC trade. This third edition has been updated to reflect the increasing use of computers to develop plans and prints, while still including all the critical areas of study, including: using the architect's and engineer's scale, creating and using working and construction drawings, freehand sketching and drafting with instruments, and more! The final section of this all-inclusive book goes beyond basic concepts, enabling users to gain valuable skills in reading and interpreting architectural, ductwork, mechanical, electrical, and plumbing plans.