As a reflection of my own anxieties I've even gone so far as to wire in a Shelly smart relay to one of my interlinked smoke alarms so not only does it disable the MVHR system but also sends me a text to say it's gone off! I do wonder how I'll react if I ever get that text...

On Sunday, 1 December 2019 11:06:45 UTC, Brian Gaff (Sofa 2) wrote:
You can have one in each room if you are paranoid of course.