How to choose the right humidity parameter for humidity control in HVAC systems

Buildings and Indoor Air Quality
Industrial Measurements


Many people working in the HVAC field know about relative humidity (RH) as a parameter used in HVAC controls. Relative humidity, however, is not always the best option as a control parameter. At times there are other choices that will make the conditions more stable or the system commissioning easier.

In this 40-minute webinar, you will learn about the humidity measurements and their impact on controls of HVAC systems.


  • Basics of humidity theory
  • Factors influencing which humidity parameter is the best choice in HVAC control: Relative Humidity, Dew Point, Enthalpy, Wet-bulb temperature
  • Conclusions: what parameters to use

If you have already attended or registered for this webinar, please click here. Otherwise, please watch the recorded webinar by filling the form.

While you’re at it, sign up below to view the previous related webinars:

Paradigm shift in building ventilation: Future requirements for Demand Controlled Ventilation and Indoor Air Quality (aired on 3 March 2022) — watch now

Plan of Action: Calibration resources to optimize measurement performance (aired on 9 November 2021) — watch now

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Anu Kätkä


The webinar is hosted by Anu Kätkä, who represents Global Product Management at Vaisala Industrial Measurements. She has extensive experience in building automation and management systems as well as metering and monitoring solutions. 

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