May 21, 2020 @ 9:00 am - 1:00 pm - Johnstone Grand Rapids
POSTPONED IN RESPONSE TO COVID-19 A/C Service Refresh is the perfect refresher course to get you ready for the cooling season. This course covers sequence of operation and troubleshooting on both the refrigeration and electrical circuits, superheat and subcooling calculations, airflow diagnostics, and touches on best install practices. Lunch included with class.