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.
The Dutchess County Choice in Boilers. Boilers can be oil or gas fired. Folkes uses cast iron boilers, which have been sold in the US for over 100 years. Cast iron boilers have a life expectancy of 20 to 30 years or more. Cast iron boilers are very durable and provide comfortable and affordable heating for your family.