As buildings age, so do the major central equipment within the building, making it a prime opportunity for a boiler system retrofit. Older systems typically are made up of non-condensing boilers that ...
A condensing boiler can be more efficient than a conventional boiler. In a correctly designed system, it can be 90% to 98% efficient. The catch is that the efficiency does not happen in just any ...
Anyone who has a boiler built after April 2005 it being told of a top tip to save cash - while keeping the home warm.