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If you’re looking to install, replace, repair or maintain your boiler simply submit your quote in 60 seconds. You will then receive 3 quotes from vetted boiler engineers selected for you. Get access to the UK’s largest network of independent boiler engineers and compare their quote to the national installation companies.








For a compact new build 2 bedroom and 1 bathroom(with shower over bath) house, the developer is installing a regular condensing boiler with an unvented hot water cylinder. Space is at a premium. Can we install a combi system with no cylinder instead ? What size combi system would you recommend?
There are several types of condensing boiler ( regular, system and combi) and the choice must take into account your personal needs and the installation options in the property. It is possible to install a combi to conserve space but you also need to take into account the hot water demands you will have at any one time. A combi boiler will only deliver to one hot water draw off at any time whereas an unvented cylinder will give mains pressure to as many taps as needed.
The power rating for the boiler cannot be calculated without visiting the property, the calculation must take into account the heat losses for the property.
npower are able to send a Home Energy Consultant to your home to review the installation options and help to select the right boiler for your home. This visit is free with no-obligations on your part and will also enable an accurate quotation to be developed for a new boiler.
We recommend you take advantage of this before you finalise your decision.