Critical Environments

Being able to monitor and maintain proper HVAC airflow, room pressure, temperature, humidity, and particle counts in Critical Environments is where Setra’s comprehensive solutions come into play. ​With the COVID-19 pandemic, monitoring and maintaining these parameters has become even more important. Setra’s line of room monitors have been enabling the installation of effective Critical Environment monitoring across the world. Now, the pressurized spaces seen in Isolation Rooms in hospitals can help more applications, like Dentists and Long-Term Care Facilities.

Live Events and Webinars

Critical Environments Sensors Overview

Join us for a live webinar 9 AM EST covering a wide range of applications in healthcare and life sciences where maintaining proper HVAC airflow, room pressure, temperature, humidity, and particle counts is critical to the process effectiveness and personnel safety.View the Recording

Helping Facilities Create Isolation Spaces During COVID

Join us for a live webinar at 3 PM EST for a session discussing how Setra’s resources and products, including the new Setra AIIR Watch, can help increase the effectiveness of isolation spaces and reduce the risk of spreading an airborne infection.View the Recording

On-Demand Videos

Setra Lite™ - Visual Room Pressure Indicator

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Setra FLEX™ - Trust

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AIIR Watch for Long Term Care

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Setra Lite as a Kit

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Critical Environments Industry Trends

Industry Trends

Setra AIIR Watch Air Purifier + Negative Pressure Machine

Setra AIIR Watch is an advanced air cleaner designed to be quiet, portable, and effective at neutralizing 99.99% of airborne germs while also increasing air circulation. AIIR Watch has a dual filtration method forcing air through a HEPA filter and by UV light. AIIR Watch is available as an air purifier re-circulator or as a negative pressure generating machine for isolation space applications.




Setra Lite™ Room Pressure Indicator

The Setra Lite™ Room Pressure Indicator provides a simple, cost-effective, and accurate way to monitor and display room differential pressure in areas that today require manual verification. Setra Lite is a perfect solution to monitor temporary isolation spaces during COVID!

Have a project or specific question? Reach out to us!
AIIR Watch for Long Term Care

Long Term Care spaces are always at risk, caring for some of the most vulnerable members of society. Throughout the COVID-19 pandemic, this has been no different. Learn how Setra AIIR Watch Air Purifier & Negative Pressure Machine can help keep these spaces safe.

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Why Trust Setra

Setra Systems, Inc. was founded in 1967 and was a pioneer of variable capacitance technology. Building on this heritage of innovation, we continue to design and deliver sensing devices and solutions for many diverse applications and industries.


Over 50 years of engineering excellence


Hospital-grade products


Made in the USA


98% on time delivery