Energy labelling
INFORMATION SHEET
NIBE ABSupplier
S1255-12 1x230VS1255-6 1x230VModel
35 / 5535 / 55°CTemperature application
XLXL
Declared load profile for water heating
Up to and including 25/09/2019: A++ / A++
From 26/09/2019 A+++ / A+++
Up to and including 25/09/2019: A++ / A++
From 26/09/2019 A+++ / A+++
Seasonal space heating energy efficiency class, aver-
age climate
AA
Water heating energy efficiency class, average climate
126kWRated heat output (P
designh
), average climate
4,582 / 6,2132,188 / 2,875kWhAnnual energy consumption space heating, average
climate
1,7091,642kWhAnnual energy consumption water heating, average
climate
201 / 157200 / 150%Seasonal space heating energy efficiency, average
climate
98102%Water heating energy efficiency, average climate
4442dBSound power level L
WA
indoors
126kWRated heat output (P
designh
), cold climate
126kWRated heat output (P
designh
), warm climate
5,292 / 7,1732,481 / 3,287kWhAnnual energy consumption space heating, cold cli-
mate
1,7091,642kWhAnnual energy consumption water heating, cold cli-
mate
2,928 / 3,9991,408 / 1,852kWhAnnual energy consumption space heating, warm cli-
mate
1,7091,642kWhAnnual energy consumption water heating, warm cli-
mate
208 / 162211 / 157%Seasonal space heating energy efficiency, cold climate
98102%Water heating energy efficiency, cold climate
204 / 158201 / 151%Seasonal space heating energy efficiency, warm cli-
mate
98102%Water heating energy efficiency, warm climate
--dBSound power level L
WA
outdoors
NIBE ABSupplier
S1255-12 3x230VS1255-6 3x230VModel
35 / 5535 / 55°CTemperature application
XLXL
Declared load profile for water heating
Up to and including 25/09/2019: A++ / A++
From 26/09/2019 A+++ / A+++
Up to and including 25/09/2019: A++ / A++
From 26/09/2019 A+++ / A+++
Seasonal space heating energy efficiency class, aver-
age climate
AA
Water heating energy efficiency class, average climate
126kWRated heat output (P
designh
), average climate
4,582 / 6,2132,188 / 2,875kWhAnnual energy consumption space heating, average
climate
1,7091,642kWhAnnual energy consumption water heating, average
climate
201 / 157200 / 150%Seasonal space heating energy efficiency, average
climate
98102%Water heating energy efficiency, average climate
4442dBSound power level L
WA
indoors
126kWRated heat output (P
designh
), cold climate
126kWRated heat output (P
designh
), warm climate
5,292 / 7,1732,481 / 3,287kWhAnnual energy consumption space heating, cold cli-
mate
1,7091,642kWhAnnual energy consumption water heating, cold cli-
mate
2,928 / 3,9991,408 / 1,852kWhAnnual energy consumption space heating, warm cli-
mate
1,7091,642kWhAnnual energy consumption water heating, warm cli-
mate
208 / 162211 / 157%Seasonal space heating energy efficiency, cold climate
98102%Water heating energy efficiency, cold climate
204 / 158201 / 151%Seasonal space heating energy efficiency, warm cli-
mate
98102%Water heating energy efficiency, warm climate
--dBSound power level L
WA
outdoors
75Chapter 13 | Technical dataNIBE S1255