Increasing energy efficiency is the most critical concern when considering a boiler replacement. A condensing boiler has been given its name due to a mode that is called condensing mode. These work on the principle that they extract heat from gases that would escape into air and turn these gases into liquid water again for utilizing less energy. Condensing boiler is the best amongst boilers as it uses less heat as compared to a non-condensing boiler. The condensing boiler is more efficient due to the = Read More =