Many customers simply see fan-and-filter units as a must and don’t pay much attention to them. 

So why are you putting so much energy into their ongoing development?

Ronzheimer: Fan-and-filter units are a commonly used climate control solution, and it’s true that people often only consider the air throughput, dimensions and connection voltage. In many cases, price also plays a part in the purchase decision – but that’s not our approach. We thought about the factors that matter most to our customers – namely safety and security in the enclosure, followed by efficiency in terms of handling and consumption.

The new generation essentially takes on the role of a security officer in the enclosure. How did you come up with that idea?

Ronzheimer: In enclosures, excessive temperatures are one of the biggest risks that components are exposed to. There can be various causes of this, from excessively high ambient temperatures in summer to a faulty fan or a blocked filter that needs to be changed. If the temperature remains too high over the long term, this can cause system failures with high cost implications for our customers. It was therefore important to us that the new fan-and-filter units should have a sensor to detect excessive temperatures and an emergency cooling function that would give the operator time to resolve the ­issue. This protects the installed components against overheating – and so saves a lot of money when something goes wrong. Another great thing is that these small helpers can do much more besides.

What are the other highlights of the new fan-and-filter units?

Ronzheimer: Even though sustainability isn’t the top priority for such a small component, we have succeeded in developing a highly efficient solution that saves energy and resources in lots of respects – thanks, for example, to the service life of the pleated filters, which is now two to three times longer, and the reduced amount of maintenance that is needed. To my mind, this is a great example of looking to the future – because, ultimately, every detail counts.