Energy’s the hot topic as we chew away at our fossil fuels. Dragon’s Nest is built for the energy future with well-insulated construction and solar and geothermal providing most of its energy. This is a photo of a light tunnel, different from a skylight in that a reflective tube carries the light from the roof to a translucent cover in the ceiling. This way we could insulate the space in between and not lose heat in the winter.