Air Quality Sensors

Air Quality Sensors

Ensure the well-being of your most important assets with air quality sensors.

Now more than ever, air quality is critical to maintaining occupant health, comfort and productivity. Siemens sensors help ensure the well-being of your building’s most important assets while also optimizing efficiency. Siemens offers a full suite of air quality sensors for carbon dioxide, particulate matter (PM) and volatile organic compounds (VOCs).

Room Air and Duct Quality Sensors / Air Quality Sensing Room Units

The QPA20xx and QPA21xx Series Duct Air Quality Sensors optimize room comfort by enabling demand-controlled ventilation. Models are available that measure CO2, CO 2 and temperature, or CO 2, temperature and relative humidity. Output signals are available for compatibility with most HVAC control systems.

Room Air and Duct Quality Sensors / Air Quality Sensing Room Units

  • Air quality measuring options include carbon dioxide (CO2), volatile organic compounds (VOCs) and particulate matter (PM2.5)
  • Combination units that measure multiple variables, including temperature and humidity are available

Room Air and Duct Quality Sensors / Air Quality Sensing Room Units

  • Wide variety of measuring options enable monitoring of all key aspects of indoor air quality
  • Improved air quality results in increased occupant comfort and productivity

Room Air and Duct Quality Sensors / Air Quality Sensing Room Units

  • Schools, offices, and other facilities where indoor air quality is a concern

Want to install reliable products? 

Siemens offers a 5-year warranty on valves, actuators, damper actuators, sensors*, thermostats and meters.

* Not applicable to PL-link devices or Series 2200/3200 units with display.

Cover photo of the HVAC Catalog PDF with a range of products displayed and the title "HVAC Components and Controls Catalog Edition 10.0."

NEW: Siemens HVAC Interactive Digital Catalog 10.0

Find the right HVAC device to make your perfect place a reality.​ Discover the essential product details you need to make the right product selection by downloading the Siemens HVAC catalog today.

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Sensor Selection Made Easy with HIT (HVAC Integrated Tool)

  • Selection –  Filters and calculators help you properly size and select the right products for your application
  • Replacement – The replacement guide helps you quickly find current Siemens products for other brands and discontinued parts
  • Projects –  Quickly create project schedules and gather submittal documents for faster bidding to help you win more business
  • Ordering –  Built-in shopping cart connects to Siemens iMall for faster ordering

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Technical Programs and Specification Resources

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Service and Quick Reference Guides

The Siemens Field Support team provides full technical support. Our Quick Reference Guides include more detailed product information and related links.