A heat exchanger isn’t necessary in an electric furnace, which doesn’t burn anything. But every gas- and oil-burning furnace must have one. John Gabrielli, owner of Air Temp Solutions ...

Gas-fired heating systems are being replaced by electrification technologies that offer higher efficiency, reduced emissions ...

Triple Solar BV has developed a residential photovoltaic-thermal (PVT) heat pump that uses waste heat from PV modules, ...