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![OJ at MCE 2026]()
Meet Us at Fiera Milano
3 minutes read
It’s been a busy year at OJ Electronics, and we’re excited to show you why at this year’s MCE (Mostra Convegno ExpoComfort), March 24–27 in Milan. The biggest news we’ll have to share at MCE is OJ AirTM Plus – our new-generation control platform for ventilation systems. Alongside this, we’ll also present our latest dedicated drives for ventilation, heating and …
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Choosing the Right Pulley and Motor Size for Your Rotary Heat Exchanger
3 minutes read
Choosing the right pulley for your rotary heat exchanger can be trickier than you might think. It’s not rocket science, but there are some calculations you’ll need to make to get it right. This brief article takes you through the process, so you end up with the most cost-efficient setup possible.Pulley and Motor Size The …
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![ISH2025 OJ Electronics A/S]()
OJ Electronics to Launch Drives for Scroll Compressors Plus Updates at ISH in Frankfurt
3 minutes read
It’s been a busy year for OJ Electronics, and we are looking forward to showing off some of what we’ve been up to at ISH 2025, March 17–21 in Frankfurt. At our stand this year, we’ll be filling visitors in on a range of product improvements – from an impressive software update to our DRHX …
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![DRHX Software update]()
The Best Gets Better – DRHX Software Update
2 minutes read
DRHX drive for rotary heat exchangers is about to receive a software update that introduces several new features and benefits.Even More Options This latest update is all about giving you and your customers more options – whether during fault-finding and remediation or in connection with retrofitting older systems. Let’s look at these two improvements before …
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![DV, DC and DRHX drives and MRHX motors now ignition-protected]()
DV, DC and DRHX Drives and MRHX Motors Now Ignition-Protected
2 minutes read
We are pleased to announce that all OJ Electronics DV, DC and DRHX drives and MRHX motors are now certified as ignition-protected components. In the United States, Canada and other countries that use the UL standard, this means these products are in compliance with UL 121201 Class I, Division 2. In Europe, the products are …
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![Stepper motor and OJ Drive for rotary heat exchangers]()
Stepper Motors and the Genesis of OJ Electronics Drives
2 minutes read
When it comes to powering rotary heat exchangers in a HVAC system, geared motors are the traditional choice. They accommodate a very wide power range, they can deliver very high torque, they are efficient under heavy loads, and they’re widely available from many suppliers worldwide. In recent decades, however, stepper motors have been become …
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![Rotary Heat Exchanger]()
Not Yet Using Rotary Heat Exchangers? Here’s Why You Should.
3 minutes read
Heat exchangers are used to improve the efficiency of HVAC systems in most parts of the world. In regions such as Europe, their use is near-universal, as high energy prices make energy-efficiency not just a “nice to have,” but imperative for profitable operation. In parts of the world where energy prices aren’t so high, …
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![Rotary Heat Exchanger Drive for North America from OJ Electronics A/S]()
Patented Rotary Heat Exchanger Drive Now Available for North America
3 minutes read
The DRHX drive for rotary heat exchangers has proven very successful in Europe, boosting overall energy efficiency in the systems and simplifying installations. Now, the patented drive is also available in a 277V version, making its advantages available in North America, too.This Rotary Drive will Improve Energy Efficiency in North America “The DRHX rotary drive …
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![planet earth, OJ Electronics A/S]()
Review of the UN’s Sustainable Development Goals reveals OJ Electronics’ contribution to sustainability
5 minutes read
Inspired in part by a worldwide growing focus on sustainability, OJ decided to conduct a meticulous review of all 169 targets included in the UN’s 17 Sustainable Development Goals (SDGs). This led to a number of surprising revelations, and OJ Electronics is now focusing our sustainability efforts based on the findings of the review. It’s …
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UN’s Sustainable Development Goal 12 takes a world-encompassing view
4 minutes read
Where and how does OJ Electronics exercise influence – including outside the company’s own walls? SDG 12 – Responsible consumption and productionAfter a week spent thoroughly reviewing all 169 targets of the UN’s 17 SDGs, OJ Electronics concluded that there is good reason to be satisfied. The company already has a long list of positive …
