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 ...

Condensing boilers, while commonly installed for heating hot water applications, often fail to deliver their inherent efficiency advantage because of deficiencies in the system design, start-up, and ...

Discover the best gas and oil boiler brands: which are most reliable and which are likely to let you down? Make sure you choose a boiler from a quality brand. Lisa GalliersPrincipal researcher & ...