HVAC Measurement Sensors|Vaisala

Vaisala's reliable and accurate HVAC meters and sensors are designed with energy efficiency in mind, whether you are optimizing cooling towers or demand-controlled ventilation. Our large selection includes ±3% and ±2% humidity and temperature measurement HVAC meters, CO₂ measurement sensors and also handheld meters. They can be used indoors and outdoors, and installed on walls or in ventilation ducts. To see where our HVAC sensors can be used, enter the Vaisala HVAC House or view all our HVAC sensors at a glance.

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Vikas Makkar, Regional Manager Infrastructure Team at Infosys

Why Choose Vaisala?

Infosys, the second largest Indian IT-consulting company with 200,000 plus employees and revenue of over USD 10 billion, chose Vaisala’s HVAC sensors for its projects.
“We find that Vaisala is unique with the 5-year stability specification for the HVAC products. In the last 3 years we have been using the products, we have received
timely support from Vaisala and are quite satisfied with the product quality”, says Mr. Vikas Makkar, Regional Manager Infrastructure Team at Infosys.

Photo: Courtesy of Infosys.

Read the complete customer story

Download the brand new Vaisala HVAC eBook and explore our HVAC instruments and services offering.

Learn how to choose the right parameters and sensors for HVAC control.
Get tips on how to install HVAC sensors.
Read what our customer say about our HVAC sensors
Find out about our calibration services
Watch free webinars
Explore the FAQ’s section.

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Installation of a Vaisala HVAC Sensor

Easy Installation of HVAC Sensors

You have several HVAC meter options to choose from to best suit your needs. We have a wide selection of wall-mounted and duct-mounted HVAC meters for indoor and outdoor use. Which ever meter, sensor or transmitter you choose, they are all easy to install and require very little maintenance. Watch video on how to install the Humidity and Temperature Transmitter Series HMW90 sensor and see how fast and easy it is.

View all Vaisala HVAC Sensors

Webinar: Maintaining HVAC CO2 Measurements the Easy Way

In this webinar our expert Lars Stormbom gives tips on how to choose the right CO₂ sensor for your case and what to look for in a sensor to make maintenance easy.

Webinar: How to Choose the Best CO2 Sensors for Your HVAC Needs

This webinar will go through the requirements for the CO2 sensors in different standards and certification schemes like ASHRAE 90.1 and LEED.

Member of BACnet Interest Group

The global BACnet standard is the only vendor-independent communication protocol for building automation. Visit BACnet website to learn more.

Member of BSRIA

Member of BSRIA, a UK-based testing, instrumentation, research and consultancy organisation, providing specialist services in construction and building services engineering.

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Vaisala CARBOCAP Technology

CARBOCAP® Technology Inside

Vaisala uses a single-beam and dual-wavelength NDIR (Non-dispersive infrared) technology for measuring CO₂, The patented CARBOCAP® technology is used in all our CO₂ sensors. This technology incorporates a unique tunable band pass filter that was developed by Vaisala and is manufactured in our own state-of-the-art cleanroom. View this video to find out why it's unique and why it makes the Vaisala CO₂measurement the most reliable and accurate one on the market or learn more on our carbon dioxide page.

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Installation of a Vaisala HVAC Sensor

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CARBOCAP® Technology Inside

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