Division 4 Emissions of nitrogen oxides:
United Kingdom
- (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