Calefy specialise in the installation of boilers and renewable energy products from Worcester, using the latest technology available. Modern Worcester condensing boilers improve efficiency to over 90% which could save you a minimum of 30% per year on your home heating bills, which represents a big saving over the lifetime of your boiler. Depending on your heating and hot water demand there are different types of condensing boilers that are available, please follow the link for any questions you might have regarding the main boiler types.