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Passive house: Passive buildings are those that can be heated or cooled without using standard cooling and/or heating appliances (air conditioners, heating systems, stoves, etc.), or these are buildings that can be cooled and heated independently. Usually, a system is mounted through which air enters the house through louvers positioned near the ceiling.

If you must strictly define the things, this is a house whose annual consumption of heat does not exceed 15 kVV / m². Passivhaus Institute Darmstadt Deutschland.

This is a building that due to its low power consumption requires no conventional heating system. To realize this, yet the design should take into account the different perspectives. It is important for the building to be as compact as possible, but its orientation is also important. Reliable thermal insulation. At customer’s request individual designs can be elaborated, achieving the following parameters for different types of prefabricated houses:

1. Energy efficient is the building which at different weather conditions needs 65 kWh / m² for heating or cooling per year.

2. Low-energy is the building which at different weather conditions needs 50 kWh / m² for heating or cooling per year.

3. Passive is the building which at different weather conditions needs 15 kWh / m² for heating or cooling per year.

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In terms of the construction materials, there are also requirements that must be observed – the walls, doors and windows, roof structure must be of adequate quality, since our goal is to build a house with the lowest possible heat loss.

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