Nexelec sobriété énergétique.jpg

IoT sensors and solutions for building performance

Air quality - Safety - Energy sobriety

Fire safety, air quality, energy monitoring… smart sensors for buildings and cities​

With more than 700,000 products marketed since its creation in 2009, NEXELEC is the French leader in connected air monitoring solutions for buildings and cities.

The company relies on recognized know-how in the design, development and industrialization of its own sensors and algorithms.

Our features





Détection de fumée.png

Smoke alarm


Carbon dioxide

Pression atmosphérique.png

Atmospheric pressure




Carbon monoxide


Volatile Organic Compounds

Particules fines.png

Fine particles




Presence detection



State-of-the-art technologies

Our R&D team develops state-of-the-art technologies every day to offer you the most efficient products. We work with Sigfox, ENocean, or even LoRaWan and Zigbee connectivity. We are part of the Zigbee Alliance, and the LoRaWan Alliance.​

Every day, we study processes to facilitate the handling and daily use of our sensors. We have developed specific algorithms for measuring air quality, or the possibility of configuring our products in NFC.​

Nexelec s'investit auprès des acteurs du milieu


Nexelec fait partie du réseau FIMEA. A travers ce partenariat, l'équipe s'engage à agir selon deux principes : préserver la santé des citoyens en améliorant la qualité de l’air, et structurer l’industrie française de la qualité de l’air afin de la développer en France et à l’export.

Support available at all times​

At Nexelec, a support team is dedicated to you. When you have a question about a product, you can: ​

  • Download the technical documentation;​

  • Discover video installation tutorials;​

  • Contact the support team by email or phone.​

Nexelec, French leader in fire safety and air quality

Our offices are based in Vannes, Brittany. Located in the heart of the Gulf of Morbihan, our premises bring together all the company's areas of expertise: R&D, logistics, marketing, trade... ​

With more than 900,000 sensors sold since the company was founded in 2009, Nexelec is the French market leader in fire safety and air quality. We are committed to developing state-of-the-art products to enable our customers to manage their buildings of tomorrow now.​

Follow our news!

Would you like to know the latest news on fire safety and air quality? Subscribe to our newsletter, and receive the information not to be missed each month:

Thank you for subscribing.