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3 Combis or One Big System Boiler???

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  • 3 Combis or One Big System Boiler???

    Hi, just bought our first house which is a georgian tereace with 3 storeys + cellar & attic. It's about 70 sq m per floor, with the ground and basement both having a 20sq m rear extension.

    We might turn it into flats in years to come, but for the next 6 years it will be our home. The question is...should we have one big boiler or put a small combi on each floor?

    If we did one big boiler should we zone each floor so each floor/flat could be hooked up to a combi in future?

    What's the pros and cons of either option in terms of initial and running costs? Any other things we should take into consideration so we can make an informed choice?

    It would be great to hear some professional opinions on this!

  • #2
    Better get a big boiler than investing in 3 Combis for each floor. Anyways, it's up to you on what to buy either a single one or going for 3.