New Building area 500м²
Water house was the first proven “passive (energy efficient)” building in Bulgaria wich passed with flying colours a “Blowerdoor” airtight test with a proven PHPP energy model. The building has a 30 cantimetres isolation on both its façade and its roof. And a PHI certified glass windows specially designed for energy efficient buildings.
Investor: Tonka Georgieva Traykova