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Certain norms and standards of energy efficiency are nowadays fixed when planning a private home. The property owner will always have to ask himself: How do I glaze my windows or insulate my walls, meating certain standards. But how can I keep my ongoing energy consumption costs as low as possible? At the latest when a property owner tries to answer this question for himself, he will easily stumble over the term low energy-house.
What are the fine details between a ClimateHouse, a zero-energy building, a passive house standard and a plus energy house? And what do all of them have in common?
The common factor is definitely that all three stand for sustainability and future-orientated energy efficiency. Who is building a house, usually follows the standard for new buildings.
Whereas terms like passive house, zero-energy building and energy-plus house aren’t legally protected and therefore have a rather descritpive nature and evolved over time, the ClimateHouse is a certified building label from South Tirol.
ClimateHouse is a certified building label of the autonomous Province of Bolzano, South Tirol, and stands for ecological, energy-efficient and sustainable construction. The specified requirements aren't as severe as they are when constructing a passive-house. continue
The term passive house derives from the fact that a big part of the source of heat of the building comes from passive sources. This standard can also be reached by retrofitting an older building. continue
From a purely mathematical point of view a zero-energy building is consuming zero energy on a annual basis. The developement and realisation is more costly but in the long run one is saving significant energy costs. continue
The energy-plus house produces more energy than needed. There are so far no fixed standards for this type of house because there aren´t that many yet. continue
In order to build high-efficiency houses two aspects are very important:
In conclusion it can be said that in theory any zero-energy house can be a passive house. But not every passive house can be a zero-energy house.