
Smarter HVAC Starts With Smarter Measurement
Vaisala transmitters deliver the precision and long-term reliability that building automation demands — so you get consistent performance and lower operating costs, year after year.
Premium sensors and transmitters for professional use

Vaisala's measurement portfolio covers humidity, temperature, CO₂, and differential pressure — everything your HVAC system needs in one trusted lineup. These transmitters are purpose-built for critical infrastructure cooling, demand-controlled ventilation, indoor air quality monitoring, and any application where reliability can't be compromised.

Why Choose Vaisala HVAC Measurements?

Unrivaled Performance
Transmitters from Vaisala are renowned for their unrivaled performance, reliable results, and low total cost of ownership.

5-Year Warranty
Vaisala stands behind the lasting quality of its HVAC transmitters with a standard five-year warranty — a reflection of the durability and long service life built into every product.

A Sustainable Choice
Precise measurements, easy upkeep, and interchangeable components mean less downtime and better control - so your HVAC processes run at their best, long into the future.
CARBOCAP® Technology
At the heart of every Vaisala CO₂ sensor lies CARBOCAP® Technology — a patented single-beam, dual-wavelength NDIR (Non-dispersive infrared) measurement system. Central to this technology is a unique tunable bandpass filter, developed and manufactured by Vaisala in its own state-of-the-art cleanroom. The result is CO₂ measurement that sets the benchmark for reliability and accuracy in the industry.

