The Passivhaus certificate, it is an important document stamped quality and recognized all over the world. The way in which the buildings and houses today it is changing and evolving.
At present, it is taking a lot of strength in sustainability and utilization issues in the maximum of the energetic resources to make everything possible a comfortable environment. In this article, we will explain those advantages and why many builders are joining it. trend in Spain.
Requirements for a Building to have the Passivhaus Certificate
To obtain this certificate, it is important to know what the criteria and requirements that should be owned in future homes according to the Passivhaus standard, being part of a second process, continue to seek better advice for a Passivhaus technician, by which you will guide throughout the construction process.
A series of important and basic requirements must be met, depending on the building (residential or tertiary), to obtain the PassivHaus certificate and they are:
- Good thermal insulationThis depends on the climatic zone where the person is, this will guarantee better protection in winter and summer times.
- Mechanical type ventilation, this includes a high performance heat recovery unit.
- Excellent location of doors and windows, counting the use of materials with low thermal processing
- The enclosure must be airtight, so that it does not form any current and energy is not lost.
- In demand for primary energy (Electricity, hot water and heating) with an equal to or less than 120 kWh / m² per year.
- Minimize in thermal bridges
- Solar energy takes full advantage
- Heating demand equal to or less than 15 kWh / m² per year.
- Cooling demand equal to or less than 15 kWh / m² per year.
If you want to know about other criteria, you can view this PDF, since, it can be very helpful.
Procedure to Obtain the Passivhaus Certificate
During the last ten years in passive house constructions has been growing in northern Europe and especially in Germany.
These passive houses, with capable of maintaining comfortable interior conditions without the need to resort to the conventional heating system, such as heating appliances or centralized systems to improve results in more homes around the world.
If the desire to build a building or a passive house is part of your mission, you must obtain your Passivhaus certificate, with the following steps:
- Duration time of this certificate is how long the work will last.
- Qualified professionals are: Passivhaus Technician for the verification of projects and works. Also, the certification of an entity or the Passive House Institute.
- The price has a value of € 002 – € 10,000
- The best advice should be sought with a Passivhaus technician, where it will be inspected during a project phase and subsequent work, that these requirements and criteria are met before a described.
- Then, the same technician who does all the respective documentation process to the certified entity or to the Passive House Institute.
- Finally, it will be issued the Passivhaus certificate.
What is it for?
As mentioned above, the certificate is an international quality seal, guaranteeing that the buildings or houses comply with each and every one of the criteria and requirements that are stipulated by Passive House Institute
For that reason, there are more construction companies that seek to have this certificate, since comfort is currently being sought along with quality and energy use that is given to buildings for the enjoyment of customers, applying these healthy and ecological technologies.
If you have a new job in mind, these criteria are applied in function of a residential or non-residential building.
In the case of a residential building: The specific demand for heating must not exceed 15kWh / m2a. The total cooling load with a lower 10 W / m2. The primary energy of less than 120 kWh (m2a) and the tightness of less than 0.6 h-1
If the building is not residential: The specific demand for heating cannot exceed 15kWh / m2a. The total cooling load has to be less than 15W / m2. This primary energy must be less than 120kWh (m2a) and the airtightness of the building must be less than 0.6 h-1
The Passivhaus standard is a way of constructing Near Zero Consumption Buildings (ECCN) that began to be carried out 26 years ago in Germany, and that is the most demanding and recognized of all the standards of this type. You can learn about it in a course at the COAM College of Architects of Madrid.
Many people dedicate themselves to this type of project, due to the poor state of the labor landscape for architects. The European Union is in charge of creating with the European Directive 2010/31 / EU about low power consumption.
Member States are urged that by December 31, 2020, all new buildings must be zero energy buildings.
After December 31, 2018, new buildings that are occupied and owned by public authorities should be zero energy buildings.
Although Passivehaus is explained as «Passive house» In Spanish, it speaks much more than a home, it is also carried out under the standard: office, buildings for public use, swimming pool, sports centers, schools, nurseries, university, etc.
They can also be found as semi-detached, semi-detached and isolated group and single-family dwellings.
This issue must be addressed constantly, in Passivhaus it has a great sale, but in many companies they have focused on the large amount of energy that is wasted in buildings that are currently being built.
Passivhaus buildings You can find an extraordinary indoor air quality, without pollens, without environmental or acoustic pollution (none of the N02 that suffocates large cities), without insects, with low CO2 condensation, without interior condensers, or molds.
What is the Passivhaus Certificate?
The Passivhaus certificate It is a very recognized endorsement by the world, where the building or the house is indicated.
In addition, it has all the requirements stipulated by the Passivhaus Institut of Germany, by which it guarantees energy quality and interior comfort.
When these houses have a Passive House Certificate they are called passive houses and passive buildings, they conform to all the construction standards proposed by Passivhaus Institut, being one of the most outstanding characteristics.
To obtain the certificate Passivhaus, it is necessary that the constructions are inspected during the project and construction phase by a specialized Passivhaus technician, because a very dedicated examination must be made to check the criteria are fulfilled.
Once all aspects of the passive house or buildings are reviewed, including plans and others.
This certificate must be processed, which is endorsed by the Passive House Institute and the Passivhaus Certifier, internationally recognized.
The acceptance that can be found in Spain has been important in terms of passive houses and buildings. Surroundings of 80 Passivhaus projects and the bill is increasing.
In addition, it is a main theme that encompasses the projects and they are about conscious energy consumption and a making the most of in resources.
This has been two important factors for adopt this trend that is common in Spain and in the rest of the world.
Last year the news was released in the country, those constructions of the first residence for the elderly in Zamora.
This construction has a number of standards that were established, it has a Passivhaus certificate.
Also, nominated for FAD Architecture and Interior Design Awards 2020.
These new public buildings that are built from the present years, must be built with the better zero energy consumption. This is a start for Passivhaus and throughout the European Union.
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