Clean combustion, extremely high efficiency, economical operation, and longevity: Buderus boilers are the perfect central heating source for single or multiple family homes and guarantee reliable heating for many years. The modern design of Buderus boilers results from centuries of experience, using the latest combustion and manufacturing technologies. Buderus Boiler efficiencies range up to 98% AFUE and many are EnergyStar compliant. Optional system equipment such as the intelligent Logamatic control system and Domestic Hot Water tanks are designed to work perfectly with each Buderus boiler.