Math for HVACR

By: Gary B. Xavier
Copyright: 2018
Subject: HVAC-R
Grade Level: 9-14
Math for HVACR provides a review of basic math and advanced calculations (geometry, algebra, and trigonometry) within a framework of HVACR applications, helping students gain confidence and achieve success in math-based HVACR tasks. Major areas of instructional content include whole numbers, common fractions, decimal fractions, percentages, systems of measurement, electrical calculations, and algebraic, geometric, and trigonometric functions. Answers to odd-numbered practice problems are listed in the back of the text.
  • Write-in format is easy to use and convenient for students.
  • Serves as an excellent supplement for all HVACR and mechanical trades courses.
  • Provides practice problems for the HVACR technician in addition to a basic math instruction or refresher.
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Table of Contents
1. Whole Numbers
2. Fractions
3. Decimals
4. Percentages, Ratios, and Proportions
5. Measurement
6. Algebraic Functions
7. Geometric Functions
8. Trigonometric Functions
9. Electrical Measurement and Calculation
10. Practical Applications
Look Inside
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Online Text, 1yr. Indv. Subscription (Instant Access)
g-wonlinetextbooks.com
Front Matter (g-wonlinetextbooks.com HVAC-R)
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Chapter 5 (g-wonlinetextbooks.com HVAC-R)
About the Author(s)

Gary B. Xavier - is a Stationary Engineer with nearly fifty years of experience in the HVACR field. He began working with refrigeration equipment as a teenager, eventually starting a service company that dealt with the waterside service of large boilers and cooling systems. He is the author of over a dozen technical training books and slide presentations used to train engineers and technicians throughout the U.S. and Canada. He has also published numerous technical trade magazine articles.


An instructor for the past 25 years, Gary currently conducts training seminars as well as providing consulting services on HVACR and boiler systems. His clients include the United States Department of State, Department of Defense, Bureau of Prisons, U.S. Army, U.S. Navy, Ford, General Motors, Boeing, Pepsi, several major pharmaceutical manufacturers, and both fossil-fuel and nuclear power plants.

He is a member of The American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), the Refrigerating Engineers and Technicians Association (RETA), and the National Association of Power Engineers (N.A.P.E.).