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Luftomsättningar för kontor<br />
• Ny EU norm<br />
Min vent<br />
Låga em<strong>is</strong>sioner<br />
Högre em<strong>is</strong>soner<br />
Från vitboken<br />
Vi måste börja nu<br />
med<br />
bostadshusen<br />
kWh<br />
400,0<br />
300,0<br />
200,0<br />
100,0<br />
0,0<br />
-100,0<br />
-200,0<br />
-300,0<br />
-400,0<br />
• Klass 1 Klass 2 Klass 3<br />
• 0.7 0.5 0.3<br />
• 1.0 0.7 0.4<br />
• 2.0 1.4 0.8<br />
CONSOLIS TOOL<br />
T a1<br />
T c1<br />
T e<br />
T g<br />
T c2<br />
T a2<br />
Monthly energy for heating and cooling -<br />
base case<br />
Jan<br />
Feb<br />
Mar<br />
Apr<br />
May<br />
Jun<br />
Jul<br />
Month<br />
Aug<br />
Sep<br />
Oct<br />
Nov<br />
Dec<br />
T e<br />
Heating part 1<br />
Heating dyn 1<br />
Cooling part 1<br />
Cooling dyn 1<br />
9<br />
Finanskostnad<br />
25%<br />
Driftskostnad<br />
Fremtidens bygg<br />
35%<br />
Byggekostnad<br />
40%<br />
86%<br />
14 %<br />
Total investeringen i kontorsbyggnader med och utan lönekostnader omräknat till nuvärde<br />
Källa: Konsulterna Dav<strong>is</strong> Langdon och Everest<br />
EPDB<br />
Lønnskostnad<br />
DIRECTIVE on the energy performance of<br />
buildings<br />
• The methodology of calculation of energy performances<br />
of buildings shall at least include the following:<br />
• · thermal character<strong>is</strong>tics of the building with airtightness<br />
• · heating installation and hot water supply, including<br />
their insulation character<strong>is</strong>tics<br />
• · ventilation - natural ventilation<br />
• · built-in lighting installation (mainly the nonresidential<br />
sector)<br />
• · passive solar systems and solar protection position<br />
and orientation - buildings air-conditioning<br />
installation<br />
• · indoor climatic conditions, including the designed<br />
indoor climate<br />
Heat flow chareacter<strong>is</strong>tics<br />
Heat parameters<br />
Part 1 Part 2<br />
0,0<br />
Floor area 20,0 m 2<br />
Floor area 26,4 m 2<br />
0,0<br />
Ceff 1,8E+07 J/K Ceff 2,7E+07 J/K<br />
Ext.temp<br />
Time Const. 475,7 h Time Const. 665,2 h<br />
8,4 10,8<br />
Min Temp 20,0 O C Min Temp 20,0 O C<br />
Max Temp 25,0 O C 28,0 Max Temp 25,0 O C<br />
7,1<br />
Loss factors<br />
Via air W/K<br />
7,1<br />
0,0 Via transm<strong>is</strong>sion W/K<br />
0,0<br />
0,0 0,0<br />
0,0 0,0<br />
Ext.temp Ext.temp<br />
Ground temp Ground temp<br />
Temp 1 Temp 1<br />
Temp 2 Temp 2<br />
Soft Heat<br />
Lagnafréttir 33 19<br />
17 O C<br />
23 O C<br />
=+<br />
23 O C<br />
17 O C
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