The client wanted a space in which she could both work and grow tomatoes and other plants year-round that was heated by the sun. The building focused on energy-efficient construction: built to be as airtight as possible with extra thickness of insulation in the walls and roof installed to minimize thermal breaks at framing members. All current solar technologies were employed: passive solar gain with great amounts of southern glazing; solar thermal panels to provide both radiant heat in the floor and domestic hot water and, a ground-mounted solar electric array to provide for electricity. Because the solar hot water collectors are designed to provide the heat needed for radiant heating of the slab in winter, there is an excess of hot water in summer which is dumped via vents in the storage shed roof.