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Duco overhaul

Have your Duco motor overhauled

Is your Duco ventilation box or WTW unit making noise, humming, or not running properly anymore? Often, the complete unit doesn't need to be replaced. In many cases, motor overhaul is a sustainable and cost-effective solution.

Solution Motor Overhaul
  • For many Duco models
  • Often cheaper than replacement
  • Sustainable repair
View repairs

When is an overhaul worthwhile?

  • The motor makes noise, hums, or vibrates.
  • The motor runs heavily or doesn't start properly.
  • Reduced extraction or air supply.
  • Worn bearings or rotating parts.

For which Duco systems?

  • DucoBox Silent.
  • DucoBox Focus.
  • DucoBox Reno.
  • DucoBox Energy Comfort, Premium and Sky.

What does an overhaul involve?

During an overhaul, we inspect the entire ventilation motor and replace worn parts such as bearings and other rotating components where necessary. This ensures your Duco ventilation system can function silently and reliably for years to come.

Not sure if an overhaul is possible?

Send us a photo of the type plate or use our troubleshooter. We are happy to help you find the best solution for your Duco ventilation system.

Start troubleshooter

Overhaul or replacement?

Many Duco ventilation boxes and WTW units do not need to be replaced immediately. If mainly the motor or bearings show wear, an overhaul is often a cost-effective, sustainable, and environmentally friendly choice.

Choose the right solution

Duco motor overhaul View repairs → First check for malfunction Start troubleshooter →

Further reading about Duco

Also view our other information pages about Duco ventilation boxes, WTW units, parts, malfunctions and overhaul.

Duco ventilation boxes Main page of the Duco knowledge center Mechanical ventilation boxes DucoBox Silent, Focus, Reno and motor overhaul Heat recovery units DucoBox Energy Comfort, Premium and Sky Duco overhaul Everything about motor overhaul and repair Duco parts Motors, circuit boards, sensors, filters and parts Duco makes noise Sound, vibrations and wear Duco hums Constant hum or resonance Duco no longer turns Motor does not start or does not respond Duco does not extract well Little extraction or moisture problems Duco bearings worn Grinding or squealing motor due to wear

Is your problem or model not listed?

Use our troubleshooter or parts finder. We are happy to help you find the right solution for your Duco ventilation system.

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