What is a zero house

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Zero house is a house with almost zero energy consumption. This essentially passive house has energy consumption covered as much as possible from renewable sources. The advantage is low energy costs. Zero house offers a very comfortable indoor environment. These houses require superior thermal insulation, quality windows. Ventilation is controlled in a zero-level house. Zero House consumes less energy, it can make its own. This protects its owners from the rise in energy prices and possible supply problems.