At a glance
| Combi | System | |
|---|---|---|
| Hot water | On demand | Stored in a cylinder |
| Best for | 1–2 bathrooms | 2+ bathrooms, high demand |
| Space needed | Boiler only | Boiler + cylinder |
| Showers at once | Usually one | Several |
How we decide
At the free home survey we look at the number of bathrooms, how many people live in the house, water pressure and where the boiler can go. Then we recommend one option and explain why.
