The new generation of ecotec boilers was launched in 2012 and received a which? best buy award in the same year. Once all the work has been completed, we will call you to make sure everything is okay. Some claim to be the best, but we are the best our knowledge, experience and trustworthiness speaks for itself. A it’s probably older and less energy-efficient than new boilers, making a replacement a worthy job. I was advised i would need around three metres of new.