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Blower Door Test
Leakproofness test
The measuring system of the blower door allows you to check the degree of tightness of the outer shell of buildings. To increase the comfort level of buildings, it is necessary that there is no uncontrolled air penetration in them, and to achieve a design with lower energy consumption.
With the help of the measuring system of the blower door, you can find out the values of the air tightness of the building and diagnose its condition.
For a passive house, the cost of repairs. / hour with a pressure difference of 50 pascals, it should not exceed 0.6 rens/hour.
With the help of the measuring system of the blower door, you can find out the values of the air tightness of the building and diagnose its condition.
For a passive house, the cost of repairs. / hour with a pressure difference of 50 pascals, it should not exceed 0.6 rens/hour.
How is this done?
To measure the results, it is necessary to close the windows and close all controlled external openings (vents, hoods in the kitchen...).
When everything is closed, a fan with an adapter is installed in a doorway or window, usually at the entrance door of the building.
The software is configured for the volume of the housing and the diameter of the fan, and the fan turns on when the pressure difference inside and outside the building is 50 pascal.
A house or building is depressurized when the air pumped by the fan goes outside, and then begins to suck air from the outside inside through cracks and crevices in the housing.
As a result, the detected penetration rate is compared with the volume of the building and measured by the number of repairs per hour. The higher the temperature, the less airtight the room is.
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From September 24, 2020, all buildings applying for a construction license in Spain, both for new construction and renovation, must comply with the standards for buildings with virtually zero energy consumption.
Breathability
The air permeability of the entire thermal envelope (n50), which is required only for a new private residential building with a total usable area of more than 120 m2.
The n50 value can be calculated in two ways:
Limit value of the air change ratio with a pressure of 50 Pa
The limit values of the intermediate compactness (2<V/A<4) are determined by interpolation.
The calculation of these compactness values is performed differently than the calculation for the second limit value K, as described in section 4.5 of this manual, since the volume in question is the air inside the building, and only surfaces in contact with the air appearance are taken into account.
The calculation of these compactness values is performed differently than the calculation for the second limit value K, as described in section 4.5 of this manual, since the volume in question is the air inside the building, and only surfaces in contact with the air appearance are taken into account.
- by testing the blower door in accordance with method 2 of the UNE-EN ISO 9972:2019 standard
- in a simplified way using the formula specified in Appendix H to DB-HE
List of objects for checking blower doors
Rehabilitation or new construction
Housing-private or public => Comfort and energy saving
Warehouses => Refrigerated areas, hygiene, insects
Pharmaceuticals — Clean rooms
Industrial Buildings => Odors, product maintenance, production
Educational centers-colleges-universities => energy saving, comfort
Public spaces - administrative buildings - libraries - police — fire
Sports grounds — sports centers — indoor pools — gyms
Medical centers - hospitals - Clean Rooms - clinics - caps
Hotel business-bars — restaurants-hotels
Cultural - cinemas - theaters — exhibition halls — museums.
Climate chambers — technical rooms
Advantages of conducting the test for large buildings
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A large building consumes a lot of energy, so air penetration control will allow you to control energy consumption.
This will extend the life of the building by removing the ingress of pollutants and moisture.
Improving the productivity of employees. It has been proven that working in a healthy environment benefits the employee.
Reduction of CO2 and carbon dioxide emissions in the building.
Eliminating annoying drafts and, consequently, reducing the number of complaints from residents of the building.
Real estate revaluation.
Who are we talking to?
Private professionals
Community professionals
Private individuals
Construction companies
Maintenance Companies
I always strive for the complete satisfaction of our customers. We make recommendations based on the needs of each of them. We will discover all the hidden defects of the enclosing structure and prepare a report for you, which will significantly improve the quality of the structure.
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We work with technology experts, international laboratories, architects, engineers, construction companies. Please contact us at the indicated contacts.
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Data Administrator and Contact Details
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Email: Termoprofi17@gmail.com
For any inquiries related to the processing of your data by the Administrator, please reach out using the contact details provided above.
Scope of Collected Data
The website allows you to contact the Administrator and provide your identification and contact details, as well as data related to the content of your message.
The Administrator collects data related to your activity on the website, such as the time spent on the website, search phrases, the number of subpages displayed, and the date and source of your visit.
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If you contacted the Administrator directly, the data was provided by you.
If your data was provided by a third party in connection with a matter handled by that party, this third party is the source of the data. In such cases, the Administrator receives identification, address, and case-related data, including a description of the case.
Purpose and Legal Basis for Personal Data Processing
Your data may be processed for the following purposes:
Analyzing network traffic, ensuring website security, and adapting content to user needs based on the Administrator's legitimate interest (Article 6(1)(f) of the GDPR).
Answering inquiries, forwarding requested offers, conducting correspondence, and settling matters based on your consent and the Administrator's legitimate interest in fulfilling user requests (Article 6(1)(a) and (f) of the GDPR).
If you have any additional questions or concerns regarding your privacy and data processing, please feel free to contact us using the provided contact details.
The Right to Withdraw Consent
You have the right to withdraw your consent to the processing of your contact data at any time. To do so, please contact the Administrator. Please note that withdrawing your consent may make it difficult or impossible for you to contact us.
Obligation or Voluntariness to Provide Data
Providing your data for case handling purposes is voluntary but necessary. Failure to provide the necessary data may make it difficult or impossible for us to handle your case.
Providing data for the static analysis of website users is voluntary. You can use incognito mode to browse the website without providing the Administrator with information about your visit. Failure to provide this data does not affect your ability to use the website.
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Use of Cookies and Similar Technologies
The website collects information about users through the use of cookies and similar technologies. These technologies are used to remember user preferences, maintain user sessions, collect information about the user's device and visit for security purposes, and analyze visits and adjust content.
The information obtained through cookies and similar technologies is not combined with other user data or used to identify users.
Users can set their browsers to block specific types of cookies and technologies or only allow those necessary for the correct display of the website. Most browsers allow the use of all cookies by default, but users can change these settings and delete existing cookies at any time. Users can also use incognito mode to browse the website without data being collected about their visit.
By using the website without changing browser settings, you are consenting to the use of cookies and similar technologies for the specified purposes.
The Administrator does not use the information obtained for marketing purposes.