# Commission Regulation (EU) 2016/2281 of 30 November 2016 implementing Directive 2009/125/EC of the European Parliament and of the Council establishing a framework for the setting of ecodesign requirements for energy-related products, with regard to ecodesign requirements for air heating products, cooling products, high temperature process chillers and fan coil units (Text with EEA relevance), Division 4: Emissions of nitrogen oxides:

Extent: E+W+S+N.I.

(a) From 26 September 2018, the emissions of nitrogen oxides, expressed in nitrogen dioxide, of warm air heaters, heat pumps, comfort chillers and air conditioners shall not exceed values in Table 7:
Table 7
First tier maximum nitrogen oxides emissions, expressed in mg/kWh fuel input in terms of GCV
Warm air heaters using gaseous fuels
100
Warm air heaters using liquid fuels
180
Heat pumps, comfort chillers and air conditioners, equipped with external combustion engines using gaseous fuels
70
Heat pumps, comfort chillers and air conditioners, equipped with external combustion engines using liquid fuels
120
Heat pumps, comfort chillers and air conditioners, equipped with internal combustion engines using gaseous fuels
240
Heat pumps, comfort chillers and air conditioners, equipped with internal combustion engines using liquid fuels
420
(b) From 1 January 2021, the emissions of nitrogen oxides, expressed in nitrogen dioxide, of warm air heaters shall not exceed values in Table 8:
Table 8
Second tier maximum nitrogen oxides emissions, expressed in mg/kWh fuel input in terms of GCV
Warm air heaters using gaseous fuels
70
Warm air heaters using liquid fuels
150

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Source: https://www.legislation.gov.uk/eur/2016/2281/annex/II/division/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-2281/annex-II/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.