This document (prEN ) has been prepared by Technical Committee CEN/TC (Contract JOE3-CT) Oxford Brookes University. Department of Civil Engineering, Technical University of Denmark [email protected] dk. Abstract: EN specifies indoor environmental input parameters for. PDF (MB) Norma numero: UNI EN norma è la versione ufficiale in lingua inglese della norma europea EN (edizione maggio ).
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Le norme PDF scaricabili da UNI Store sono protette da Digital Rights Management (DRM). Leggere Norma numero: EN UNI EN Publisher's PDF, also known as Version of record . a scale of preference, according to Annex H of UNI EN ; e.g. for the air. PDF | European Standard EN has broken new ground. b School of Architecture and the Built Environment, University of Westminster.
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Google Scholar EN Criteria for the Indoor Environment including thermal, indoor air quality, light and noise. European Standard. Energy performance of buildings—Calculation of energy needs for space heating and cooling using dynamic methods—General criteria and validation procedures.
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Google Scholar Fanger PO London: McGraw-Hill. This paper is part of the objectives of the project Comfort monitoring for CEN standard EN linked to EPBD Commoncense deal principally with the thermal and lighting concerns of the Standard, though the sections of the Standard dealing with ventilation and acoustics will be mentioned where appropriate.
From EN Energy consumption of buildings depends significantly on the criteria used for the indoor environment temperature, ventilation and lighting and building including systems design and operation. Indoor environment also affects health, productivity and comfort of the occupants.
Recent studies have shown that costs of poor indoor environment for the employer, the building owner and for society, as a whole are often considerable higher than the cost of the energy used in the same building. It has also been shown that good indoor environmental quality can improve overall work and learning performance and reduce absenteeism. In addition uncomfortable occupants are likely to take actions to make themselves comfortable which may have energy implications.
An energy declaration without a declaration related to the indoor environment makes no sense.
There is therefore a need for specifying criteria for the indoor environment for design, energy calculations, performance and operation of buildings There exist national and international standards, and technical reports, which specify criteria for thermal comfort and indoor air quality EN ISO , CR These documents do specify different types and categories of criteria, which may have a significant influence on the energy demand.
These criteria are, however, mainly for dimensioning of building, heating, cooling and ventilation systems.
They may not be used directly for energy calculations and yearround evaluation of the indoor thermal environment. New results have shown that occupant expectations in natural ventilated buildings may differ from conditioned buildings.
These issues are not dealt with in detail in the above mentioned documents. The present standard specifies how design criteria can be established and used for dimensioning of systems.
It defines how to establish and define the main parameters to be used as input for building energy calculation and long term evaluation of the indoor environment.
Finally this standard will identify parameters to be used for monitoring and displaying of the indoor environment as recommended in the Energy Performance of Buildings Directive. Different categories of criteria may be used depending on type of building, type of occupants, type of climate and national differences. The standard specifies several different categories of indoor environment which could be selected for the space to be conditioned.
These different categories may also be used to give an overall, yearly evaluation of the indoor environment by evaluating the percentage of time in each category. The designer may also select other categories using the principles from this standard. The aim if the authors of the Standard was to provide criteria for the calculation of building energy use which are consistent with the provision of an indoor environment which is consistent with their comfort and wellbeing.
In workplaces this it is also considered that this needs to be consistent with the ability to work productively. The scope is set out in the standard as follows: 1. This European Standard specifies the indoor environmental parameters which have an impact on the energy performance of buildings.