The law in Scotland change on 1st February 2022. It is now a legal requirement that every home in Scotland is fitted with an interlinked smoke & heat alarm system. InterAlarms can install a fully compliant interlinked smoke & heat alarm system in your home. Every installation will be installed , linked, tested and issued with an installation certificate. We also supply do it yourself kits for you to fit yourself. All diy kits are pre-linked & tested prior to dispatch. Postage is always free.