Tim Zelazny and Zachary Litwin

Tim Zelazny is the Senior Envelope + Healthy Buildings Specialist at ESD Global. Zachary Litwin is the Energy and Sustainability Technician at ESD Global


Courtesy: ESD
HVAC/R and Mechanical October 6, 2021

Comparing building certifications

A recap of a BOMA Suburban Chicago webinar examines various building certifications that anticipate return to the office concerns.

By Tim Zelazny and Zachary Litwin
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