The CE mark, or formerly EC mark, is a mandatory conformity marking for certain products sold within the European Economic Area (EEA) since 1985. The CE marking is also found on products sold outside the EEA that are manufactured in, or designed to be sold in, the EEA.
Condensing boilers are water heaters fueled by gas or oil. They achieve high efficiency (typically greater than 90% on the higher heating value) by condensing water vapour in the exhaust gases and so recovering its latent heat of vaporisation, which would otherwise have been wasted.
Boilers are an energy efficient and environmentally friendly mode of heating. They work by cycling cold water through a series of heated pipes before distributing it throughout your home as either hot water or steam. Determining the cost of installing a boiler is complex and can be tough for homeowners to figure out.