Gary B. Xavier is an author and instructor with 20 years of teaching experience, preceded by 20+ years of working with commercial and industrial HVACR systems.
As a seminar curriculum developer and instructor, he has written and presented programs on HVACR, boilers, water chemistry, and HVAC controls to over 10,000 participants throughout the U.S. and Canada. Xavier's most recent writing is Math for HVACR, published by Goodheart-Willcox.
Licenses, Certifications, and Memberships: Stationary Engineer - Third Class, EPA Section 608 Refrigerant Recovery, Licensed Building Code Enforcement Officer (New York), Licensed Applicator-Cooling Towers (New York and Pennsylvania), Licensed Water Plant Operator (New York), Member ASHRAE, RETA, IIAR.
Education: Stationary Engineering Certificate (Monroe Community College), and A.A.S. Business Administration (Auburn Community College).
Author and co-author of: Mathematics for HVACR, HC Refrigerants, Water Treatment for Boilers, Cooling Towers and HVAC Systems, Boiler Operation Maintenance and Safety, Understanding Refrigerated Air Dryers, Air Conditioning and Refrigeration, Building a Well-trained Maintenance Department, Chilled Water: Building Chillers and Chilled Water Systems, Chilled Water: Process Coolers and Portable Chillers.