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MAY 2021
CONTENTS
FEATURES
PROJECT PROFILES
GAME CHANGER
ON THE COVER
Photo courtesy of IVP.
A bevy of fantastic filters for HVAC filters.
TOOLBOX
Classified ad directory
AD INDEX
Sourcebook Premium Sponsorship
"Just thought it looked cool"
BACKSTORY
Advertising Partners
EDITOR'S NOTE
Real-estate mogul Monzer Hourani developed technology that mitigates transmission of COVID-19 in buildings. Could this be the cure to getting back to normal?
Wiegmann Associates’ two million-dollar HVAC projects in St. Louis, Missouri.
