Naked Energy is a UK company that offers rooftop solar systems with a unique vacuum tube solar technology that captures substantially more heat than the flat panel alternatives. The company has brought to market two highly competitive products that address the need for decarbonizing heat in a cost– and space– efficient manner. VirtuPVT is a hybrid solar collector with a unique vacuum tube design that combines solar photovoltaics (PV) and solar thermal technology, to generate both electricity and heat from a single solar collector.