Specialist AC drives cost-effective, easy-to-use, HVACR motor control


Energy efficient drive solutions

Heating, ventilation, air conditioning and refrigeration is responsible for more than 30% of all electricity consumed in industrial and commercial sectors, with the motors that drive compressors, pumps and fans accounting for more than 98% of that energy. Variable speed drives when applied to these motors can provide energy savings of up to 60% while also enhancing system operation and comfort.

As a global company, we are well placed to help all the key HVACR players to maximise equipment efficiency and to keep pace with legislation and technology, no matter how simple or complex your application is.

Key benefits:

Our specialist product range and application expertise ensure we can help you reach your machine design goals.

Consultants and design engineers

Highly reliable HVACR products and support ensure all project specification requirements are met and, once fitted, can be forgotten.


Fast, easy and secure installation, commissioning and maintenance guaranteed.

Commercial building owners

Building occupant comfort is maximised while energy savings provide a rapid ROI.

Related products:
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1.1 kW - 2.8 MW (1.5 - 4,200 HP) 
 Commander S and Marshal App Commander S – General purpose micro drives - Making simple applications, simple
0.18 - 4 kW (0.25 - 5 HP)
    Commander C general purpose ac variable speed drives from Control Techniques Commander C – General Purpose drives - Flexibility for countless applications
0.25 - 132 kW (0.33 - 200 HP)
      Control Techniques DFS High Power Freestanding Drives DFS Series - High Power Freestanding Drives – Ready to use, fast turnaround
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Unidrive – The ultimate universal high performance and modular AC/servo drive 
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