Nefit Bosch Thermotechniek B.V. (Nefit Bosch) is a Dutch manufacturer and developer of heating and hot-water technologies, operating within Bosch Thermotechnology (Bosch Group). Headquartered in Deventer, the company serves residential and light-commercial building markets in the Netherlands and other European countries.
Its portfolio includes high-efficiency condensing gas boilers, air-to-water heat pumps, hybrid systems, domestic hot-water solutions, and digital controls. Engineering and testing activities are centered in Deventer, with development focused on low‑carbon heating, including electrification and hydrogen‑compatible boiler technology, to reduce emissions in the built environment. Products are supplied for both new-build and retrofit applications.
