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

The principal feature of this device is that the water is heated and cooled using Peltier elements ... In addition, heating and cooling ramps can be programmed locally or remotely (remote software ...

Oil-filled space heaters are efficient because they can retain heat well. Even after turning off the heating elements, the oil continues to radiate heat for an extended period. This helps you reduce ...