: No combustion noise makes them ideal for small living spaces.

: In many regions, you must use a qualified electrician to install the boiler to comply with building regulations.

: Can be installed on internal walls as no flue or gas pipe is required.

: Fewer moving parts lead to better longevity and no need for annual gas safety checks. Cons :

: Best suited for apartments or small 1-2 bedroom houses. They may struggle to meet the high hot water and heating demands of larger homes without a separate storage cylinder.

: Ensure you receive an Electrical Installation Certificate (and a Part P certificate in the UK) to prove the installation is safe and legal. Electric boilers: what you need to know - Which?