Stone Mountain Technologies and Napoleon are working to commercialize their Thermally Driven Heat Pump (TDHP) technology, which uses natural gas to drive a heat pump cycle, delivering multiple units of heat for every unit of gas consumed. The technology enables direct emission savings through immediate reduction of natural gas consumption for the same amount of heat and comfort provided compared to current technologies. Residential and commercial building applications are the primary target market for TDHPs, as the units can replace furnaces in residential buildings and provide domestic hot water.