Baxi ECOGEN Product Manual page 15

Compliance with 2010 Building
Regulations
are based on the heating plant emissions rate
HPER gives an indication of carbon emissions
of the heating plant in a specific dwelling and is
per kWh. Because the Ecogen
2
is heat led, the HPER is for each kWh of heat
generated, but the carbon value is for both heat
There are different HPERs for different plant size
in the 2010 Building Regulations is a maximum
= appliance output
plant size
ratio
design heat loss
of the property
0.8 tonnes carbon saving vs Band A Boiler
Ecogen
vs
3.3 tonnes carbon saving vs Band G Boiler
Ecogen
vs
maximum
Band A Boiler
Legislation
SAP & CSH
There is a section of SAP dedicated for
data from the SEDBUK database. Performance
Performance Data table on page 22.
The performance data is given for nominal plant
SAP then works out the exact performance data
between the nominal plant size ratios.
Footnote:
Based on a plant size ratio of 1.5 Primary energy factor of
0.422 for electric.
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