Targo Kalamees Kalle Kuusk TUT H2020 MORECONNECT 1st Meeting Kickoff 2015 January 12 and 13 General description Prefabricated concrete large panel element Typical soviet series apartment building ID: 459158
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Slide1
Pilot renovation project in EstoniaTargo Kalamees, Kalle Kuusk, TUT
H2020 MORE-CONNECT1st Meeting (Kick-off) 2015 January 12 and 13Slide2
General description
Prefabricated concrete large panel element
Typical soviet series apartment building:solutions and results are easily to disseminateConstruction date 1986Number of stories 5Net area 3824 m2Heated area 3306 m2 Living area 2769 m2Number of apartments 80Slide3Slide4
Current energy use (HDDTallinn = 4220 ºC∙h)
2008
20092010AverageDelivered energy, kWh/(m2·a)
Space heating126116150131
Domestic hot water107938595Electricity
54
46
46
48
Primary energy, kWh/(m
2
·a)
318
280
303
300
New building
Low en. building
nZEB
Major renovation
100
101… 120
121… 150
151… 180
181… 220
221… 280
281… 340
341
Primary energy,
kWh/(m
2
·a) Slide5
Preliminary estimation about renovation solution
Building envelope:Exterior wall: U0,12 W/(m2K)
Basement wall: U0,17 W/(m2K)Roof: U0,10 W/(m2K)Windows: U0,80 W/(m2K)Basement ceiling: U0,26 W/(m2K)Insulation of loggias interior heated areaVentilation: balanced ventilation with HR in each apartmentHeating: radiators, thermostats, renovation of heat centreSolar collectors for DHV on roofPV for electricity on facadesMORE-CONNECT engine:in loggia or on roofSlide6
Preliminary
estimation of energy use
Current useStandard useNowMoreCon.
NowMoreCon.Net energy, kWh/(m2·a)Space heating
98199819Ventilation29
1
3
65
1
3
Domestic hot water
95
95
30
30
Appliances
48
48
29
29
Fans, pumps
0
6
0
6
Produced energy on site, kWh/(m
2·a)
Solar collectors (heat)
0
-240
-24PV panels (electricity)0
-50
-5Delivered energy, kWh/(m2
·a)
Space heating
10120
11520Ventilation
3014
6814Domestic hot water
9571
30
6
Appliances
48
43
29
24
Fans, pumps
0
6
0
6
Primary energy, kWh/(m
2
·a)
Energy performance value
313
193
250
96
=
nZEB