PassivEnergy home energy control system

The smarter way to manage your energy?

PassivEnergy is being marketed as a complete energy management system, promising to reduce your bills and CO2 emissions by ensuring you’re not wasting energy heating your home. We visited PassivSystems’ head office to find out how it works and whether it’s any good.

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In our full review you can see...

    • What is it?

      We explain how PassivEnergy works and how it could reduce your energy bills.
    • The Which? verdict

      Find out what we think of PassivEnergy, including an assessment of its pros and cons.
Which? works for you