Space-saving combination boiler provides heat, hot waterProblem: A 2,000-square-foot single-family home in southern New Hampshire had a forced air heating system. The homeowner decided to upgrade to hydronic heat but needed a system that was compact and easy to install.Solution: Buderus panel radiators and a Greenstar floor-standing gas-condensing combination boiler from Bosch Thermotechnology Corp. provide heat and on-demand hot water. The combination units are designed for applications where wall-mounting options are not available or a floor-standing unit is preferred. All models have a 95 percent ENERGY STAR Most Efficient rating.Result: “I’ve installed a lot of Buderus oil-fired floor boilers, but
