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About the Author

Marvin Ray Williams
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With over 30 years in the HVAC industry, Marvin had the privilege of working as a technician across multiple states and abroad and operated his own A/C business as a licensed HVAC contractor for 10 years. Graduated Lincoln Technical Institute 1989, Capitol Heights Maryland, and became a member of the Refrigeration Services Engineering Society. Additionally, he holds a bachelor’s degree in Psychology from Ashford University. As a retired veteran, he has served honorably, collectively for 25 years in two branches of the military; Navy, and Air Force.