Welcome to STYREG

We are specialists in control, regulation, and repair of Danfoss VLT® and VACON® frequency converters.

We handle problems on-site

We show up whenever you need assistance with start-up, repair, service, or maintenance – our technicians show up everywhere,- outside Scandinavia too.

Spare parts and repair

We have direct access to original spare parts from strategically placed stocks in Denmark and Sweden. All our technicians are highly experienced with VLT and VACON products.

Service 24/7

We offer professional Hotline Service 24/7 in Denmark and Sweden.

Marine & Offshore Services

STYREG service technicians also handle vessel and offshore jobs.

Specialists in Danfoss Drives

Large experience with VLT as well as VACON frequency converters – we are Danfoss Drive Pro® service partner.

Technical service

We carry out worldwide installation, repair and start-up of frequency converters.

Bearing currents

We carry out professional bearing currents measurements, control of installations, and adjustments.

Service agreements

A Danfoss service agreement will ensure optimal operation and maximum uptime – we offer 24/7 call service in Denmark.

Harmonic survey

STYREG is certified to carry out survey/measurement and documentation of harmonic distortion.

Offshore service

STYREG are certified to carry out repair, start-up and service on offshore installations.

Danfoss spare parts

We have access to strategically placed spare parts’ stocks in Scandinavia and we handle ordering and sales – quickly and efficiently.

Service 24/7

For quick support on installations in Denmark and Sweden, contact our professional Hotline Service 24/7.


We have always VLT units in emergency stock – up to 400 kw. We guarantee quick exchange in emergency cases.


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Download form: Notification of defects

Get Danfoss’ form for Notification of Defects as a PDF. The form can be filled out on-screen and sent to post@styreg.com

Professional service

We keep your installation fit 24/7.

We offer optimal solution for your company

The right drive. The best service. On time.