Columbus Northrich Educational Series: February 27th, 2025

Applying ECM Fans in AHUs

Jason Richwine, Keynote Speaker, Johnson Controls

This ASHRAE-compliant talk covers the fundamentals of electronically commutated motors (ECMs), explaining their operation and key differences from direct-drive fans with induction motors and variable frequency drives (VFDs). It provides insights into the advantages and limitations of ECM technology, including efficiency, control, and maintenance considerations. Attendees will learn how to assess the applicability of ECM fans in air handling units (AHUs) for optimized HVAC performance.

Air Handling Units 101: Economizers and More

Mike Singer, Northrich Company

This talk covers the fundamentals of air handling units (AHUs), including system types such as constant air volume (CAV) and variable air volume (VAV). It explores key internal components, with a focus on economizers, their types, and control strategies for optimizing efficiency. Attendees will gain a foundational understanding of AHU functionality and essential design considerations.

Host or Publisher Gina Upholzer