Schools The Solution IAQ SOLUTIONS THAT WORK™ on Site RED WING HIGH SCHOOL MINNESOTA TESTS ENERGY RECOVERY The Challenge John Brady, P .E. Design Engineer In 1994 Red Wing, MN began building a new high school. The fresh air ventilation rate for a school setting was and is 20 cfm per student. This value is based on ASHRAE standard 62, Ventilation for Acceptable Indoor Air Quality. Meeting the ASHRAE standard threatened to cause an insupportable

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