top of page

World leaders in airflow controls and monitors.

Innovative Products

TEL offers a complete package of environmental control technologies to improve safety and energy management.

Why Choose TEL?

We are world-leading consultants, designers and manufacturers of airflow controls & monitors.
By working closely with manufacturers of industrial fume cupboards and educational fume cupboards, laboratory companies using fume hoods and biological safety cabinets, as well as kitchen hood and local exhaust ventilation manufacturers, we have developed alarm and control systems specifically designed to meet safety legislation requirements.

Our Experience

A family business with over 50 year's experience specialising in electronic airflow controls.
Our product quality, reliability and technical excellence is supported by efficient pricing and delivery services as well as technical support and training.

View our Case Studies

“Remarkable! Very, very happy with the outcome. Your guys were awesome. Documentation was also more than expected. Follow-up service has been exceptional and timely. Thank you!”
Nicholas Holmes, HVAC Engineer
Edgewood College

Global Reach

TEL’s airflow monitors and controls operate in laboratories across the world and are synonymous with safety, energy efficiency and cost savings.

US Headquarters

2750 Vinland St.
Oshkosh, WI 54904

Learn about us

Connect with us


Get in touch with TEL today

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%.


People working with industrial and educational fumehoods must be protected at all times. Auto sash controllers keep people safe.

Today’s safe and efficient laboratories are a given, but fume hood health and safety standards were only introduced 25 years ago…

bottom of page