Bosch Thermotechnology’s wall-mounted Greenstar gas condensing boiler for residential applications now is available in a floor-standing version for all eight regular (heat) and combi (heat and hot water) models: regular heat-only models 57, 79, 100, 131 and 151 MBH inputs; and combi 100, 131 and 151 MBH inputs. The boilers are CSA and ASME approved and achieve an Energy Star Most Efficient rating of 95%. All models are equipped with pump, pressure relief valve, propane conversion kit and twin pipe flue adaptor.