PVT-biomass system for space heating in small homes A US-Chinese research group has developed a hybrid system proposal based on photovoltaic-thermal (PVT) modules, a heat pump, a backup electric ...
Several years ago, I was on vacation in the Black Hills of South Dakota with my wife Kathy and two of our grandchildren. We had just passed the heads of the presidents on Mount Rushmore when a small ...
Even though it's considered a sustainable alternative to fossil fuels, biomass is still not one of the most common forms of domestic heating systems, which is why I'm often asked – 'what's it like to ...