Dublin city gas can install a new gas boiler or replace an existing one in usually one day.By installing a new condensing boiler you will not only have the peace of mind of a five year warranty, but you will improve your homes BER rating.Our boilers opperate at over 90% effiency rate compared to standard boilers of 60% or less, which will save you money.We also offer a complete repair service and carry a large amount of spare parts.Please contact us for advice or a quote .