hi, house is a detached bungalow 40 years old with cavity walls. Approx. 1250 sq. ft. with 4 bedrooms, large sitting room an kitchen/dining room. What size boiler will I need? What does it cost for a condensing boiler? Can I pick it up in the store ? I am in Northern Ireland. What is a combi boiler? Thanks a lot, Michael
Posted by: michael
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