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IEE 10/344 AFTER PROJECT / FACTSHEETS 2
boilers. Power : 2880 kW kWh(H+DHW)
RECENTLY REFURBISHED BUILDINGSFR Angers 1974 88 2010 External insulation (gables and roof) 47 348 Ng - kWh
(H + DHW)
From -14% to -21%
FR Angers 1977 78 2009 Flat roof insulation 44 484 Ng - kWh(H + DHW)
From -6% to 20%
FR Angers 1975 58 2009 New windows with double heat protection glass and Ceiling insulation Windows: 276461Ceiling : 19 828
Ng - kWh
(H + DHW)
Up to -27%
FR Angers 1976 107 2010 Flat roof insulation
Replacement of electric heating ceilings with electric radiant heating floors
Flat roof : 215 420
Electric ceilings :
525 558
El. - kWh
(H)
Up to -9%
FR Angers 1977 133 2011 Flat roof insulation
Replacement of electric heating ceilings with electric radiant heating floors
Flat roof : 313 419
Electric ceilings :
664 765
El. - kWh
(H)
Not relevant
(overconsumption)
FR Angers 1977 28 2011 Flat roof insulation 8 011 + 14,134.68
(removal and
preparation of floor)
+10,778.82(tightness
Ng - kWh
(H + DHW)
Up to -6%
FR Clermont-
Ferrand
1967 152 2010 External shell insulation + Ventilation + Windows 3 356 177 Ng - kWh
(H + DHW)
cf. ESM BERGSON
- 8%
FR Clermont-
Ferrand
1965 126 2012 External shell insulation + Ventilation + Windows Not provided Wood + Ng(Dh) - kWh
(H + DHW)
cf. ESM
AIGUILLADE
- 32%CZ Havirov 1970 72 2008 Insulation of building envelope, roof and exchange of windows 1 419 367 Coal (Dh) -
kWh
(H+DHW)
From -16% to -25%
CZ Havirov 1962 36 2009 External shell insulation + ) Windows 590 222 Coal (Dh) -kWh
(H+DHW)
Up to -25%
CZ Havirov 1992 60 2008 Windows replacement 248 074 Coal (Dh) -kWh
(H+DHW)
From -10% to -12%
CZ Havirov 1963 54 2009 Windows replacement 176 751 Coal (Dh) -kWh
(H+DHW)
Not relevant(overconsumption)
CZ Havirov 1960 34 2010 External thermal insulation 590 221 Coal (Dh) -kWh
(H+DHW)
From -4% to -26%
SI Trbovlje 1990 31 2009 Concrete building with 6cm insulation additionally insulated with 7cm
insulation
717 74,54EUR Ng (Dh)-kWh (H +
DHW
Up to -17%
SI Trbovlje 1961 20 2009 Brick walls building with no insulation insulated with 10cm insulation. 509 74,6 Ng (Dh)-kWh (H +
DHW
From -9% to -20%
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IEE 10/344 AFTER PROJECT / FACTSHEETS 2
RECENT LOW ENERGY BUILDINGS(particular structure cf. report for explanationr regarding the methodological explanations every sub-factsheet concerning the detailed performance for: General Overview - Insulation-Windows-Supply systems-Ventilation) arethen detailed with the correspond parameters and figures leading to the requested 12 Factsheets
SI Trbovlje 2006 13 Building designed and built in accordance with old Slovenian national Rules
of Thermal Insulation and Efficient Energy Use in Buildings - cf. Handbook.
10cm EPS shell insulation, min. 10cm EPS roof/ceiling insulation and 8cm EPS
basement floor insulation. Double glazed windows. No heat recovery or
ventilation systems. Connected to local district heating system (Ng)
891 829, 69 Cf
HeatingConsumption
2008 : 58.4 kWh/(ma)
2009 : 56.8 kWh/(ma)2010 : 67.8 kWh/(ma)2011 : 61.8 kWh/(ma)2012 : 50.3 kWh/(ma)2013 :49.1 kWh/(ma)
DK Maarslet 2011 8 Terraced houses for elderly people. Low energy Kl.1 according to danish
BR98.
Insulation 445mm / Roof, Insulation 200mm / Walls, Insulation 300mm /
Foundation, Windows & Frames / Insulation, Windows & Frames (U=1,20
w/m2*k incl. frame and sash) / Sun Protection, Photovoltaics (Solar panels on
the roof 7.66 per m2. house (0.154 kW/m2 Peak power and system efficiency
of 0.752), Ventilation and heat recovery & District heating.
Energy carriers: 2013 Approx. 40% biomass (mainly straw and domestic
waste) and 60% coal
808 500, 00 Cfdescription
Overall
Consumption
2011: 82 kWh/ma
2012: 114 kWh/ma
GE Darmstadt 2010 44 Passive house standard planned in PHPP with a Insulation of the facade with
30 cm EPS, double flow ventilation system and triple Heat protection Glass.
District heating system. Electric warm water tank.
5 896 000 Cfdescription
Heating +
DHW
2011 : 37.6 kWh/(ma)2012 : 40.9 kWh(ma)2013 : 40.8 kWh/(ma)
FR Betheny 2010 13 External thermal insulation of 30cm. Ground-coupled heat exchanger.Double-flux ventilation. DHW with solar panels. Green roof. Triple-glazing
south. Double-glazing for the rest of the building .
1 963 684 Heating +DHW+
electricity+au
xiliaries
2011: 87 kWh/(m2.a)HDD: 25672012: 73,43 kWh/(m2.a)HDD: 24552013: 93,58 kW/(m2.a)HDD: 2789
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IEE10/344
AFTERPROJECT/FACTSH
EETS
2
REM
INDER:H
EATING
DEGREE
DAYS
UsingrelevantHeatingDegreeDaydata(HDD)inthecalculationsis
animportantstep
intheassessmentoftheener
gysavings.
TheAFTERprojecthasdevelopeditsbasisasfollows.
HDDareusedtoc
alculatesocallednormalizedenergy
consumptionthat
ismakingpossibletoquantif
ytheactualenergy
savings,bytaking
intoaccountthevariabilityo
fclimaticconditions
indifferentyears.
National-orbetter-localHDDareapplied.
InmostofEUcoun
triestheHDDcanbedownloadedfromtheweb
pagesofnationalmeteorologicalinstitutionsby
selectingthenearest
stationdata.Insomecountriesthesedataaren
otaccessibletothe
public.Insuchcas
esitispossibletouseatthedatafromlocal
districtheatingcompanyorotherenergysuppliers.
EUROSTATHDDd
ataareusedtocomparetheefficiencyofenergy
savingmeasuresattheEuropeanlevel.Taking
thisintoaccount,
Eurostatlaunched
aprojectaimingatthedevelopmentand
implementationof
acommonmethodforthecli
maticcorrectionof
finalenergyconsu
mptioninthe27MemberStatesoftheEuropean
Union.Temperaturecorrectedenergyconsumptiondatahelpsthe
interpretationofenergyconsumptiontrends.Un
fortunatelyforthe
timebeingEUROS
TATmonthlydataforEU27N
UTS2regions
availableonlyuntil3/2010.
Tocalculatethen
ormalizedenergyconsumptionfollowingdatais
needed:
-Monthlyenergy
consumptioninkWhfortheb
aselineperiod(at
least12months)a
ndthemonitoringperiod.*)
-LocalmonthlyH
DDfromthebaselineandthe
monitoringperiod.
-Monthlyaverage
ofHDDfiveyearsback(calculatetheaverageby
addingtheHDDfo
rthesamemonthfiveyearsb
ackanddivideby
five).
Incasethemonthlyenergy
consumptiondataarenotav
ailable,but
onlytheyearlyconsumption
,theyearlyconsumptioncan
be
distributedoverthemonths
byusingtheHDD.
Ifthemonitoringperiodis2
013-14,theaverageisfoundb
yadding
theyears2008-12.
Foranewlowenergybuild
ing(=withoutbaseline),theb
aseline
energyconsumptionisdefinedandcalculatedonthebasisofthe
legaldemandsintheBuildingRegulationsinthebaselin
eperiod
anddistributedbymeanso
ftheHDD.
Foranexistingbuildingwithoutaknownbaseline,itisp
ossibleto
gathertheaverageenergyu
seperm2frombuildingsfromthesame
periodorfromonebuilding
fromthesameperiodandthe
ncalculate
thesamewayasfornewlow
energybuildings.
Pleasefindbelowthegeneralformulaandafterthatane
xampleis
shownonhowtocalculateonamonthlybasis.Moreinfo
rmation
canbefoundintheAFTER
Handbookonthewebsite
afterproject.eu.
GENERALFORMULA:
ECnormalised=(ECperiod/
HDDperiod)*HDDaverage
Explanation:
ECnormalised=Energycon
sumptionontheperiodwith
HDD
correction
ECperiod
=Energyconsumptionontheperiodwithout
HDD
correction
HDDperiod
=realHDDon
theperiod
HDDaverage=averageHDDdefinedforaperiodofseveralyears-
e.g.Januaryfiveyearsbackonmonthlybasis
Recommandedperiod=mo
nth(elseyear)
WecalculatethemonthlyH
DDnormalisedenergyconsu
mptionand
sumarizethevaluestoobtaintheannualHDDnormalise
denergy
consumption(orforaheatingperiod).
2007
2008
2009
2010
2011
2012
Average
France(Clermon
t-
Ferrand)
2796,1
2373
2353
2721
1979
2211
2516
France(Angers)
2216
2064
2071
2427
1648
2044
2474
CzechRepublic
(Havirov)
3418,4
3314,4
3335,9
3986,8
3306
,82
3494,1
3619,4
Italy(Torino)
2649
2617,7
2864,9
2897,9
266
5,5
2689,4
2617
Germany
(Darmstadt)
2656,3
3219,3
3132,5
3624,8
286
6,4
3218
3089
Denmark(Aarhus)
2570,1
2607,5
2816,8
3309,9
273
2,9
2627
2906
Slovenia(Ljubljana)
2883,8
2812,2
3094,2
285
2,5
2765,7
Slovenia(Trbovlje)
2904,5
1819
2723,3
3082,21
274
8,2
2728
2502