SOCOTEC is certified and has qualified consultants that can carry out Energy Performance (EP) calculations. These calculations are part of the Building Code assessment and are carried out in accordance with NTA-8800.
Energy Performance Calculations
SOCOTEC is certified and has qualified consultants that can carry out Energy Performance (EP) calculations. These EP calculations are part of the Building Code assessment and are carried out in accordance with the NTA-8800 calculation method for both homes and utilities.
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Our PE calculations
Daylight calculations
A daylight calculation in accordance with NEN 2057 checks whether the building offers a healthy and comfortable indoor climate. Testing occurs in accordance with the applicable requirements for the specific building (building function). A daylight calculation is mandatory for the construction, major maintenance or renovation of a building. This calculation assesses the presence of sufficient daylight openings to meet the specified requirements.
Ventilation calculations
When applying for an environmental permit, a ventilation calculation in accordance with NEN 1087 must be drawn up. This calculation determines the minimum required ventilation in each room to meet the requirements. This is also presented visually in a ventilation flow diagram. The façade ventilation calculation is done at the same time. This determines the number of openings required and their size.
Usable area calculation
When applying for an environmental permit for the construction of housing, a surface area calculation must be drawn up for each type of housing in the project. This calculation is based on the methodology outlined in NEN 2580. The usable area and determination of the living area are fundamental for various calculations, including daylight calculations, ventilation calculations, and façade ventilation calculations. Additionally, it is verified whether 55% (requirement) of the usable area consists of living space.
Thermal resistance calculation
When applying for an environmental permit or on final acceptance, the R or U-value must be determined for each construction element for the EP calculation. They must be calculated in accordance with NTA 8800.
Environmental performance calculation for buildings
Finally, when applying for an environmental permit, an environmental performance for buildings (MPG) calculation must be carried out. This calculation determines the shadow price of the environmental impact caused by the materials used. This is mandatory for residential construction (for each housing type) and for office functions >100 m².
The more sustainable materials used, the lower the MPG score will be. The quantities of all the materials to be used can be calculated with the aid of the National Environmental Database. The MPG calculation can demonstrate that the design meets the specified requirement.