On Sun, 01 Dec 2019 11:06:42 +0000, Brian Gaff \(Sofa 2\) wrote:

You can have one in each room if you are paranoid of course.

We have six (interlinked).

- Two in the living room, which is fairly isolated from the rest of
the house and has a deep beam down the middle.
- One in the kitchen (heat rise)
- One in the hallway
- Two on the landing (which is L shaped)

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