EN 14239:2004
(Main)Ventilation for buildings - Ductwork - Measurement of ductwork surface area
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- 20-Jan-2004
- 30-Jul-2004
- 91.140.30
- 305/2011
- 89/106/EEC
- CEN/TC 156
Ventilation for buildings - Ductwork - Measurement of ductwork surface area
To specify a method for the measurement and calculation of the surface area of ductwork and ductwork components.
Lüftung von Gebäuden - Luftleitungen - Messung von Luftleitungsoberflächen
Diese Norm legt Anforderungen an die Messung der Luftleitungsoberfläche zur Bestimmung der Luftleckrate je Oberflächeneinheit (Luftleckfaktor) fest.
Die Norm gilt für runde und rechteckige Luftleitungen und deren Bauteile, die in Anlagen zur Lüftung und Klimatisierung von Gebäuden eingesetzt werden.
Ventilation des bâtiments - Réseau de conduits - Mesurage de l'aire superficielle des conduits
La présente norme fixe les exigences concernant le mesurage de l'aire latérale d'un conduit à utiliser pour la détermination du débit de fuite d'air par aire latérale (facteur de fuite).
La norme s'applique aux conduits circulaires et rectangulaires et aux éléments associés utilisés dans les systèmes de ventilation et de conditionnement d'air des bâtiments.
Prezračevanje stavb – Zračni vodi – Merjenje površine zračnih vodov
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.RYLüftung von Gebäuden - Luftleitungen - Messung von LuftleitungsoberflächenVentilation des bâtiments - Réseau de conduits - Mesurage de l'aire superficielle des conduitsVentilation for buildings - Ductwork - Measurement of ductwork surface area91.140.30VLVWHPLVentilation and air-conditi
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This document specifies the laboratory test methods and test requirements for the testing of aerodynamic, thermal, acoustic and the electrical performance characteristics of non-ducted mechanical supply and exhaust residential ventilation units used in single dwellings.
The purpose of this document is not to consider the quality of ventilation but to test the performance of the equipment.
This document is applicable to ventilation units, the latter:
a) containing either:
- fans for mechanical supply and exhaust;
- air filters;
- air-to-air heat exchanger for heat and possibly humidity recovery;
- control system;
- inlet and outlet grilles; or
- alternating heat exchangers which provide separate supply and exhaust air flows;
b) provided either:
- in one assembly; or
- in more than one assembly, the separate assemblies of which are designed to be used together.
This document does not deal with ducted units which are covered by EN 13141-7 or units with heat pumps.
Safety requirements are given in EN 60335-2-40 and EN 60335-2-80.
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This document specifies the laboratory test methods and test requirements for the testing of aerodynamic, thermal, acoustic and electrical performance characteristics of ducted mechanical supply and exhaust residential ventilation units.
NOTE Such units are referred to as bidirectional ventilation units in EN 13142:2021.
This document is applicable to unit that contain at least, within one or more casing:
- fans for mechanical supply and exhaust;
- air filters;
- air-to-air heat exchanger and/or air-to-air heat pump for air heat recovery;
- control system.
Such unit can be provided in more than one assembly, the separate assemblies of which are designed to be used together.
Examples of different possible arrangements of heat recovery, heat exchangers and/or heat pumps are described in Annex A.
This document covers ventilation units with continuous mass flows for each setting point.
This document does not deal with non-ducted units that are treated in prEN 13141-8:2021.
This document does not cover ventilation systems that may also provide water space heating and hot water that are treated in EN 16573.
This document does not cover units including combustion engine driven compression heat pumps and absorption heat pumps.
Electrical safety requirements are given in EN 60335-2-40 and EN 60335-2-80.
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This document specifies aerodynamic, acoustic and electrical power performance test methods for unidirectional ventilation units used in residential ventilation systems.
This document is applicable to ventilation units:
- installed on a wall or in a window without any duct, A category;
- installed in the upstream of a duct, B category;
- installed in the downstream of a duct, C category;
- installed in a duct, or with duct connection upstream and downstream, D category;
- with one or several inlets/outlets;
- installed in a system with a heat pump for domestic hot water or water for cooling or heating;
- which can be used for supply or exhaust.
This document does not apply to:
- fan assisted cowls which are tested according to EN 13141-5;
- mechanical supply and exhaust units which are tested according to EN 13141-7:2021 or EN 13141 8:2021.
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This document specifies and classifies the component/product performance characteristics, which may be necessary for the design, rating and dimensioning, placing on the market of residential ventilation products and systems to provide the predetermined performance, comfort conditions of temperature, air velocity, humidity, hygiene and sound in the occupied zone.
It defines those performance characteristics (mandatory or optional) which shall be determined, measured and presented according to relevant test methods. It provides a classification scheme, which leads to a full definition of product properties based on test methods described in various EN Standards, and gives an overview of the test standards. Distinction between mandatory and optional requirement is left to each European and national regulations.
The codification part in Annex B and the classification part in Clause 8 apply to the following products:
- unidirectional mechanical supply and exhaust residential ventilation units according to EN 13141-4:2021, EN 13141-6:2014 and EN 13141-11;
- ducted mechanical bidirectional residential ventilation units according to EN 13141-7:2021;
- non-ducted mechanical bidirectional residential ventilation units according to prEN 13141 8:2020.
This document does not apply to other products such as filters, fire dampers, ducts, control devices and sound attenuators, which may also be incorporated in residential ventilation.
This European Standard specifies in Annex ZA and Annex ZB the requirements of EU 1253/2014 and EU 1254/2014 for residential ventilation units below 1 000 m3/h air volume flow.
This European Standard does not cover requirements raised by European Directives (e.g. low voltage directive, EMC directive) and other requirements such as corrosion, reaction to fire and snow penetration.
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This document specifies methods for measuring:
- the aerodynamic characteristics of cowls, fan assisted cowls and roof outlets;
- the electrical and acoustic characteristics of fan assisted cowls.
This document is applicable to cowls, assisted cowls and roof outlets used in natural, hybrid or mechanical ventilation and that are meant to be fitted onto ducts which project above the roof surface.
This document does not apply to:
- assisted cowls assisted by a device other than a fan (e.g. injection assisted cowls);
- roof exhaust fans (see EN 13141-4).
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This document specifies requirements and testing for rating and performance of Non Residential Ventilation Units, NRVU’s, specifically Air Handling Units (AHU’s). It specifies requirements, classifications and testing of components and sections of air handling units.
This document applies to tests in a laboratory and in situ. This document is applicable both for mass produced air handling units and tailor-made Air Handling Units.
This document applies to AHU and individual sections of AHU with the designed air flow > 250 m3 · h−1. This document applies to UVU's with additional air treatment components in addition to filtration.
This standard does not include:
- residential unidirectional and bidirectional ventilation units;
- nonresidential unidirectional ventilation units which consist of only a casing, a fan with or without filter.
NOTE 1 Residential ventilation units are covered by EN 13142.
NOTE 2 Nonresidential unidirectional ventilation units which consists only casing, fan with or without filter are covered by EN 17291.
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This document specifies checks and measurement methods in order to verify the fitness for purpose of installed ventilation systems in dwellings. It can be applied to commissioning of new systems and performance testing of existing systems. It provides choice between simple test methods, when sufficient, and extensive measurements, when necessary.
Considering that this document has been developed for large scale application and considering the practical conditions of field measurements, no correction regarding ambient conditions (temperature and barometric pressure) is applied to functional measurements.
This document deals with items d), e), f), and g) of the following list giving the different stages of the design, installation, checking and measuring of a ventilation system:
a) design and dimensioning of residential system;
b) installation of system;
c) balancing and adjustment of system;
d) pre-checks on system;
e) functional checks on system;
f) functional measurements on system;
g) special measurements on system if required.
This document applies to ventilation systems (mechanical, hybrid, natural) comprising any of the following elements:
- air terminal devices (supply, extract, intake and exhaust);
- air transfer devices (externally mounted, internally mounted);
- controls;
- ducts;
- fans;
- filters;
- heat recovery;
- heating/cooling of supply air;
- recirculation air;
- cooker hood;
- cowls;
- dampers;
- sound reduction devices.
In case of multi-functional units, the checking and measuring only apply to the ventilation part. Therefore, this document does not apply to:
- heating systems and their control;
- refrigerating systems and their control;
- electrical power supply systems.
It does not cover the following points:
- airtightness of the building envelope; the whole dwelling and the individual room ventilation rates can be influenced by air infiltration through the building envelope (see EN ISO 9972);
- effect of the ventilation system on indoor air speed within the occupied zone (see for example EN 15726).
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This document specifies laboratory methods for testing externally and internally mounted air transfer devices operating under pressure differences.
This document applies to air transfer devices of the following types:
- air transfer devices with fixed opening(s);
- air transfer devices with manually adjustable opening(s);
- air transfer devices with pressure difference controlled opening(s);
- window openings specifically designed to act as an air transfer device.
This document describes tests intended to characterize the following:
- flow rate/pressure;
- equivalent area
- reverse flow ability;
- air tightness when closed;
- free area;
- air diffusion in the occupied zone;
- sound insulation;
- water tightness.
This document does not apply to evaluation of:
- air filtration;
- condensation risk;
- noise production.
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This document defines the test methods and performance characteristics for rigid or semi-rigid non-metallic ductwork which are used for ventilation and air conditioning of buildings.
This document does not include flexible ducts such as those made of textiles, non-metallic spiral ductwork or others, which are handled in EN 13180 or ductwork made from insulation duct board, which is handled in EN 13403. Requirements for the air tightness of the ventilation system for non-residential buildings are given in EN 16798 3. For residential buildings, it is essential to apply national rules.
This document specifies methods to test rigid or semi-rigid non-metallic ductwork under laboratory conditions. On-site tests are excluded. The test methods and performance characteristics are valid for ventilation ducts with circular, rectangular or other cross sections.
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This document gives guidelines to correct the measured air flow rate when measuring conditions are different from standard conditions.
It applies to a power-law formula giving the air flow rate as a function of a pressure difference with an air flow rate coefficient, C, varying with temperature and pressure.
This document applies to:
- passive elements of air distribution systems with a cross-section area that does not depend on pressure;
- volume flow rate (and not mass flow rate).
This document is applicable to (but not limited to):
- EN 1507, Ventilation for buildings - Sheet metal air ducts with rectangular section - Requirements for strength and leakage;
- EN 1751, Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves;
- EN 12237, Ventilation for buildings - Ductwork - Strength and leakage of circular sheet metal ducts;
- EN 13141 1, Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices;
- EN 13141 2, Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices;
- EN 13141 9, Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 9: externally mounted humidity controlled air transfer device;
- EN 13141 10, Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 10: humidity controlled extract air terminal device;
- EN 15727, Ventilation for buildings - Ducts and ductwork components, leakage classification and testing.
This document does not apply to:
- fans;
- air terminal devices with automatically controlled openings (variable openings).
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