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Condensing oil boiler - size and recommendations

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  • 16-10-2007 8:37am
    #1
    ennisjim
    Closed Accounts Posts: 85 ✭✭


    Hi,
    I am planning to install an oil condensing boiler and I need to decide which model and size to use. Grant with Riello burner has been recommended. I will be putting it in utility room and I see Grant have 3 sizes in their condensing indoor range, 15-26kW, 26-36kW, 36-46kW. House is 2100 sq.ft bungalow with underfloor heating throughout. There is also about 800 sq.ft in attic space (insulated) which will have a few rads but will be maintained at much lower temp than downstairs. There is also about 7 sq.m in solar panels but these are only used for DHW.

    Can anyone advise on how to calculate the size of boiler I would need ? Also any recommendations for other manufacturers or models would be welcome.


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