Inspired by progress

Innovation and progress is what inspires us to constantly aim higher. And after 50 years in the HVAC and building automation industries, Calectro has evolved into a global supplier of groundbreaking building automation equipment. From our high precision duct smoke detectors, pressure sensors and CO2 alarms to our humidity sensors, thermostats and air quality regulation sensors.

Personal support

Personal support

Need help?

Contact us between 8 AM – 4:30 PM every weekday (CET).

Deliveries worldwide

Deliveries worldwide

We arrange shipment to almost every country.

Sustainable

Sustainable

We offer a 5 year warranty for all of our products.

Develop something new!

Develop something new!

Let’s create something together that the market has never seen.

Rökdetektering i ventilationskanal

How do our applications work?

Smoke detection for ventilation, regulation and measurement of air pressure, demand-controlled ventilation.

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I/O Modbus modules

Collect sensor signals and redistribute them with IOMB-02, 03 and 04.

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IOMB-04

I/O Module with Modbus RTU communication. 2 digital...

AMUX-4-24V

The output signal is controlled by the highest...

See our full product range

Blogposts

  • Tips & tricks

    2020-06-17

    5 tips for successfully installing duct smoke detectors

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  • Our way of working

    2020-02-12

    50 years of getting to know the HVAC industry

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  • Fundamentals

    2020-04-15

    How important is good ventilation? Very.

    Read more
Support

Support

We would love to hear from you and see how we can help you find the right products for your projects and needs.

Contact us