click to edit master title style pilot renovation project in estonia targo kalamees, kalle kuusk,...
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![Page 1: Click to edit Master title style Pilot renovation project in Estonia Targo Kalamees, Kalle Kuusk, TUT H2020 MORE-CONNECT 1st Meeting (Kick-off) 2015 January](https://reader036.vdocuments.us/reader036/viewer/2022062523/5a4d1af27f8b9ab05997f4ac/html5/thumbnails/1.jpg)
Click to edit Master title stylePilot renovation project in Estonia
Targo Kalamees, Kalle Kuusk, TUT
H2020 MORE-CONNECT1st Meeting (Kick-off) 2015 January 12 and 13
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General description
• Prefabricated concrete large panel element• Typical soviet series apartment building:
solutions and results are easily to disseminate• Construction date 1986• Number of stories 5• Net area 3824 m2
• Heated area 3306 m2 • Living area 2769 m2
• Number of apartments 80
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Current energy use (HDDTallinn = 4220 ºC∙h)
2008 2009 2010 AverageDelivered energy, kWh/(m2·a)
Space heating 126 116 150 131Domestic hot water 107 93 85 95Electricity 54 46 46 48
Primary energy, kWh/(m2·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
341Primary energy,kWh/(m2·a)
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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 area
• Ventilation: balanced ventilation with HR in each apartment
• Heating: radiators, thermostats, renovation of heat centre
• Solar collectors for DHV on roof• PV for electricity on facades• MORE-CONNECT engine:
in loggia or on roof
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Preliminary estimation of energy use
Current use Standard useNow MoreCon. Now MoreCon.
Net energy, kWh/(m2·a)Space heating 98 19 98 19Ventilation 29 13 65 13Domestic hot water 95 95 30 30Appliances 48 48 29 29Fans, pumps 0 6 0 6
Produced energy on site, kWh/(m2·a)Solar collectors (heat) 0 -24 0 -24PV panels (electricity) 0 -5 0 -5
Delivered energy, kWh/(m2·a)Space heating 101 20 115 20Ventilation 30 14 68 14Domestic hot water 95 71 30 6Appliances 48 43 29 24Fans, pumps 0 6 0 6
Primary energy, kWh/(m2·a)Energy performance value 313 193 250 96 = nZEB