The Bosch Greenstar is the world’s best-selling residential condensing boiler system, the company notes. Greenstar is ideal for providing comfortable heating and domestic hot water with a 151,000 maximum Btu rating and 95% AFUE. Greenstar’s ultra-quiet operation is perfect for radiant heating with panel radiators, in floor radiant or baseboards.
Bosch Thermotechnology. www.bosch-climate.us