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The qualification testing of heating boilers thermal efficiency and NOx emission

Objective



The 1990 directive on gas appliances obliges Member States to

- accept for any given design of boiler the efficiency rating on a scale with 2% intervals as determined by a notified laboratory from another Member State;
- ensure that boilers conform to the provisions of the future directive on minimum energy requirements currently being drafted by DG XVII.

To this end CEN has a mandate from the Commission to produce standards specifying the efficiency and emission requirements for central heating boilers and the methods to be used for demonstrating conformance to these requirements. Intercomparisons have shown that the proposed test methods lead to unacceptable differences between the results of different laboratories when determining both thermal efficiencies and NOx emission values. The purpose of the project is to determine the origin of these differences.

Status:
Started 1991, in progress.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

Association Royale des Gaziers Belges

Participants (11)

CETIAT
France
DANISH GAS TECHNOLOGY CENTRE
Denmark
Address
Dr. Neergaards Vej 5B
DTI
Denmark
GASWAERME-INSTITUT E. V.
Germany
Address
Hafenstrasse 101
Essen
Gaz de France (GDF)
France
Address
361 Avenue Du Président Wilson
93211 La-plaine-saint-denis
Italgas - Societá Italiana per il Gas
Italy
Merogaz
Belgium
Swedish National Testing & Research Institute
Sweden
Technischer Überwachungsverein Rheinland-Pfalz eV
Germany
Address
Am Grauen Stein
51105 Köln
Universite de Liege
Belgium
VEG-Gasinstituut
Netherlands