NOx Emissions
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Credits Available: 1
Mandatory: No
Aim: To reduce the emission of nitrogen oxides (NOx) into the atmosphere.
Credits are awarded on the basis of NOx emissions arising from the operation of space heating and hot water systems for each Dwelling Type, in accordance with the table below:
Dry NOx level (mg/kWh)
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Boiler class (BS EN 297: 1994)
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Credits
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Less than or = 100
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4
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1
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Less than or = 70
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5
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2
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Less than or = 40
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-
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3
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