r/homeautomation • u/BarodaBandar • 4h ago

QUESTION Smart lock for two front doors with different locks

Appreciate some suggestions. I want to add a smart lock to my front door - what I have though is both a normal front door and then also a steel security door. The front door would be a normal deadlock and then the steel front door has a euro cylinder (I think that is what it is called?).

Is there an option that I can use that would replace both locks? Or am I just better off doing a normal smart lock to replace the deadlock and leaving the security door to be opened by a key? (So in practice just locking the steel security door as required, mainly leaving it open)? Appreciate the thoughts!

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u/Laescha Home Assistant 4h ago

If you can get smart locks which are compatible with each lock, it's straightforward to group them together in something like Home Assistant, so they lock and unlock together.

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u/BarodaBandar 3h ago

Thank you - I'm guessing that euro cylinder is a bit of an issue - as in I need to replace the whole handle, rather than their being an option for just the cylinder itself?

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u/sembee2 36m ago

Eurocylinder are trivial to smart. The cylinder might have to be changed, but that is all. Look at Nuki, Switchbot, or Aqara. They are all turners, so turn the key from the inside. If you still want to have a key option, then you will need a cylinder that works with the key left inside.