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Ripon College

College Auto Sash Retrofit is Still a Big Success Five Years Later

The Science Building classroom laboratory project retrofitted 12 chemical fume hoods with TEL VAV and TEL Auto Sash controllers. The local make-up air units (4 total) were volumetrically controlled. TEL VAV controllers were also installed in 3 single kitchen hoods.

“All the systems are working great and saving us money. Also all the flow alarms work properly and are active and in use vs being turned off.”

Brian Skamra, Director of Physical Plant

Ripon College


The upgraded VAV systems remain very safe, utility costs are reduced, and the infrastructure is more manageable.


Client Industry: Higher Education


Client Location: Ripon, WI


Project Type: Upgrade Kitchen Hoods and Lab Fume Hoods

Project Cost: $124,052.00


Annual Energy Savings: >$50,000

Auto sash controllers have advanced significantly in recent years but TEL still leads the field...

We have a video showing how the TEL Auto Sash Controller integrates with VAV systems for safe airflow and energy savings of up to 85%.

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