Norm Christopherson's Air Conditioning and Refrigeration Training Section
Articles by Norm Christopherson:
The Essentials Of Working With R-410A
Determining Airflow In CFM Using A Voltmeter & An Ammeter
Water & Ice Some Interesting Facts
Arc of Contact & Avoiding Slippage
Electric Motor Brake Horsepower Calculations
Protecting Motors from Improper Voltages and Amperages
Superheat and Subcooling Made Simple
The 10 Most Common Mistakes Instructors Make
Norm's Recommended Reading List
A special "Thanks" to Norm for sharing his expertise and allowing us to include his technical articles in this website!!
Norm is a technical writer, seminar speaker and test proctor for EPA, 410A and ESCO & NATE certifications.
He can be contacted at nchristo@juno.com