Thermal House H is a residential project completed in 1979 in Ota Ward, Tokyo, designed by Takashi Sugiyama Architects. This single-family dwelling exemplifies the architectural philosophy of its era, incorporating thermal design principles to optimize energy efficiency and interior comfort. The residence reflects the growing environmental consciousness of the late 1970s through thoughtful material selection and spatial planning. Sugiyama's design demonstrates a harmonious balance between modernist aesthetics and practical livability, making it a notable example of residential architecture from this period in Tokyo.