The high efficiency Alta and Alta Combi boilers feature next-generation gas adaptive technology that provides the shortest installation time and lowest operating costs, the company says.

The NOBLE floor mount fire tube combi-boiler brings to market a brand new floor mount boiler option for homeowners and multi-family facilities with models ranging from 110,000 to 199,000 Btu/h.

The Bosch Greenstar gas condensing boiler is compact and highly-efficient, boasting 95% AFUE efficiency, the company says.

The Noritz Residential Combination Boiler (NRCB) allows for simultaneous residential, domestic hot water and space heating. 

Bosch singular combi wall boilers provide efficient heating and hot water for residential applications. Depending on inlet water temperature, the 4000 model can run between two and three showers.