BoilersBosch Thermotechnology GreenstarThe Greenstar from Bosch Thermotechnology is built using precision German engineering that includes its heat exchanger and control systems. It offers reliable, ultraquiet operation, fast, easy installation and very low maintenance costs. The intelligent digital control systems allow for precise boiler control using indoor and/or outdoor temperature sensing, as well as options for controlling domestic hot water. The largest model provides ideal comfort for almost any home, and can run two standard showers simultaneously. In addition, it includes a highly efficient 95% AFUE aluminum silicon heat exchanger, which makes the boiler eligible for savings up to 75% in federal, state and local
