Lexikon N
- New construction dampness
In the masonry construction several tons of water are bound in the components after the finish inside of the used mortar, concrete and cement floor. That is why one speaks in this context of "dry living" after the first or second year after the finishing this is connected with investing energy, and there are also risks because of the high standards for air tightness. For wood construction this problem does not exist in this form because components are dried in prefabrication and only little water comes through. In the wood house, from day one there is a nice and healthy climate.
- Low energy house
The term is not legally defined or protected. Experts, however, agree that these houses do not need more than 30 to 50 kWh of primary energy per m² utility room and year. This corresponds to a consumption of about 3 to 5 liters of oil per m² and year.
- Zero energy houses
These are energy self-sufficient buildings, which do not need fossil fuel. The demand for warm water and the rarely needed heat warmth demand are provided by solar hydrogen plants and sun collectors, Photovoltaic plants or wind power plants produce the entire household and utility current. Today zero energy houses are subject of research because the high investment costs make such a construction in our climatic zone not economical. But if is to assume that these technologies will adjust in price.
