The use of natural convection air currents (rather than mechanical devices such as fans) to circulate air is related, though not strictly solar design.
When oil prices plummeted in the early 80's and solar design fell out of vogue, he was forced to turn to workaday architecture.
The studio won the Stirling Prize in 2008, and is known for use of solar design and sustainable design.
His research, writing, and architectural design since the 1970s has embraced the relatively new field of solar architectural design.
The house has a compact floor area and relies as much as possible on passive solar design to keep costs down.
The building is sited for climate responsive, passive solar design.
West-facing windows should be minimized or eliminated in passive solar design.
When combined with solar design, it is possible to eliminate energy bills entirely.
His drawing of a cross-section of the baths illustrated the way in which the Romans used passive solar design.
Caldwell stressed the importance of orientation for passive solar design, as well as integration into the landscape.
