How to build an energy-efficient designer villa for $ 800 for sq m? «Mirror Mongayt» villa solves this problem.The front south facade is designed for a specific period of time as an art installation in a form of a temporary structure. Every eight years the house clears the skin. Changing of the facade is a landmark event, a family tradition and a newsbreak. The first facade – mirror pixels reflecting the sky and the forest and dissolving the house in the environment.House of 270 sq m living space is developed in two stages: first – the lower level area of 180 sq m, then the two top independent unit areas of 90 sq m. Phased development of the house allows to save money on the first stage and avoid building of additional constructions on the territory in the future. Independent functional units are located in the line and combined into an enfilade of rooms: household area, public area, living area. There are additional independent rooms located over the household and living areas. Public area is divided into the kitchen on the north and the double-height living room on the south.Supporting structure of the house – wooden frame, prefabed and collected in the area. Insulation is made of recycled ecowool. The foundation is a universal reinforced concrete pile.