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KI-Symbolbild: Heller Flur mit weißem Wandpanel mit dunklem Bildschirm, Holzboden im Fischgrätmuster, Fenster, Heizkörper und Zimmertüren.
Practical article Renovation & energy Germany

Smart control during renovation: Clarify later maintenance before installation

When installing connected home functions, also clarify operating dependencies, update provision and later maintenance specifically in addition to the demonstration.

Automatically translated – the German version is legally binding. Show original (German)

Published
19 Oct 2026
Research as of
17 Oct 2026
Applies to
Germany
For whom
Owners & landlords
Article ID
WX26-P08-0052

When renovating, connected roller shutters, lighting or other home functions are offered. The demonstration works with the provider’s smartphone. For your decision it is also important how the household later operates and maintains the selected function itself. A successful first demonstration does not yet answer this ongoing task.

Name the desired function precisely

Our editorial recommendation: Start with a single concrete everyday convenience. Should a difficult-to-reach control be replaced, should several elements be switched together, or should a particular sequence be simplified? Describe the result in your own words. That way it is possible afterwards to check which proposed components are actually necessary for it.

Have explained which parts of the solution belong together and which conditions apply for the promised function. Ask about the intended behaviour if a required smartphone, a user account or a connection is not available. This article does not claim that every solution has such dependencies; that must be clarified for the specific offer.

Updates are part of operation

The Verbraucherportal Bayern explains that software updates can close security gaps as well as extend or improve functions. Provision and required use can differ depending on the manufacturer. [SMART] A purely mechanical consideration of the installed element therefore does not fully explain the long-term maintenance of a digital additional function.

Please ask for understandable information about the update provision of the specific system before purchase. Who provides updates, how are they communicated and what does the household have to do? What verifiable information is there about the intended support period? This text does not name a general statutory duration; such rights and commitments require a separate review of the specific offer.

Responsibility without shared secrets

Agree within the household who receives notices and takes on the intended maintenance of the solution. Have the offered options explained to you by which several authorised persons can use the required functions. It is not a good organisational solution if later only the personal demonstration account of a stranger is known.

Do not use a printed collection of jointly distributed passwords as a substitute for appropriate assignment of rights. Accounts, recovery options and changes of permissions are set up according to the intended product and security instructions. Electrical installation or technical protective functions remain with the responsible specialists.

Think ahead to the next life stage

In the fictional example a couple want to operate several roller shutters together. Before installation they also have explained which operation is possible without the usual phone, who receives update notices and how another authorised person takes over later. The answers are assigned to the actually ordered components. Open points are clarified before the final order.

Keep system designation, manuals, agreed maintenance and the regular contact routes findable. After setup check the agreed everyday situations and have any uncertainties explained. The right choice is convincing not only during the demonstration, but also when the household later has to maintain its function independently and traceably.

Sources and context

Created with the help of AI and editorially reviewed. General guidance only; not individual legal, tax or financial advice. Errors and later changes are possible.