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Experiences in Stockholm: Energy-efficient refurbishment in residential buildings

The presentation introduces you to the work of the GrowSmarter Lighthouse City of Stockholm on smart solutions for energy retrofitting of residential buildings.

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Title of Event I 19/01/18 I page 1www.grow-smarter.eu Title of Event I 19/01/18 I page 1www.grow-smarter.eu
THE GROWSMARTER PROJECT
2015-2019
Bringing together cities & industry to stimulate uptake
of smart city solutions
Harry Matero - Skanska
Title of Event I 19/01/18 I page 2www.grow-smarter.eu
Properties in Valla Torg
Year Built: 1961
Number of apartments: 302
Building types: Two 4- 4-floor buildings and four 14- 4-floor buildings
Current energy consumption: 154 kWh / m² A-temp
Connected to the district heating
Title of Event I 19/01/18 I page 3www.grow-smarter.eu
The goal of energy renovation
60% less energy consumption (61 kWh / m²A-temp)
Lower energy costs
More consistent indoor climate
Better living comfort
Title of Event I 19/01/18 I page 4www.grow-smarter.eu
Energy efficient measures
Additional insulation and airtightness
Exterior walls, roof, basement,
Windows with u-value of 0,7
Exhaust air heat pumps
Wastewater Heat Exchange Systems
Title of Event I 19/01/18 I page 5www.grow-smarter.eu
Energy efficient measures
Reduced hot water circulation losses
Adjustment of the heating
systems
Water-efficient fixtures
Title of Event I 19/01/18 I page 6www.grow-smarter.eu
Energy efficient measures
PV Cells
Electrical efficiency - elevators, ventilation, lighting etc.
Modern indoor climate control
Title of Event I 19/01/18 I page 7www.grow-smarter.eu
Energy efficient measures
Title of Event I 19/01/18 I page 8www.grow-smarter.eu
Active house
Smart Lighting
Solar CellsMetering
Smart PlugsSmart Thermostat
Energy
EV-chargingSmart
Algorithms
Title of Event I 19/01/18 I page 9www.grow-smarter.eu
HUBGRADE © - ENERGY SAVING CENTER
•24/7 remote control of building gives possibility to more
proactivity
•Provides alarms on temperature fall or unwished raise in
energy use
•Possible to produce information that effects the behaviour of
tenants
Title of Event I 19/01/18 I page 10www.grow-smarter.eu
House 2A
Schedule
2016 2017 2018 2019 2020
Design phase
Construction phase
Evaluation phase
House 3B
Design phase
Construction phase
Evaluation phase
House 5E
Design phase
Construction phase
Evaluation phase
House 6F
Design phase
Construction phase
Evaluation phase
House 7G
Design phase
Construction phase
Evaluation phase
House 8H
Design phase
Construction phase
Evaluation phase
Baseline follow up
Baseline follow up
Title of Event I 19/01/18 I page 11www.grow-smarter.eu
Title of Event I 19/01/18 I page 12www.grow-smarter.eu
Title of Event I 19/01/18 I page 13www.grow-smarter.eu
Thanks!

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Experiences in Stockholm: Energy-efficient refurbishment in residential buildings

  • 1. Title of Event I 19/01/18 I page 1www.grow-smarter.eu Title of Event I 19/01/18 I page 1www.grow-smarter.eu THE GROWSMARTER PROJECT 2015-2019 Bringing together cities & industry to stimulate uptake of smart city solutions Harry Matero - Skanska
  • 2. Title of Event I 19/01/18 I page 2www.grow-smarter.eu Properties in Valla Torg Year Built: 1961 Number of apartments: 302 Building types: Two 4- 4-floor buildings and four 14- 4-floor buildings Current energy consumption: 154 kWh / m² A-temp Connected to the district heating
  • 3. Title of Event I 19/01/18 I page 3www.grow-smarter.eu The goal of energy renovation 60% less energy consumption (61 kWh / m²A-temp) Lower energy costs More consistent indoor climate Better living comfort
  • 4. Title of Event I 19/01/18 I page 4www.grow-smarter.eu Energy efficient measures Additional insulation and airtightness Exterior walls, roof, basement, Windows with u-value of 0,7 Exhaust air heat pumps Wastewater Heat Exchange Systems
  • 5. Title of Event I 19/01/18 I page 5www.grow-smarter.eu Energy efficient measures Reduced hot water circulation losses Adjustment of the heating systems Water-efficient fixtures
  • 6. Title of Event I 19/01/18 I page 6www.grow-smarter.eu Energy efficient measures PV Cells Electrical efficiency - elevators, ventilation, lighting etc. Modern indoor climate control
  • 7. Title of Event I 19/01/18 I page 7www.grow-smarter.eu Energy efficient measures
  • 8. Title of Event I 19/01/18 I page 8www.grow-smarter.eu Active house Smart Lighting Solar CellsMetering Smart PlugsSmart Thermostat Energy EV-chargingSmart Algorithms
  • 9. Title of Event I 19/01/18 I page 9www.grow-smarter.eu HUBGRADE © - ENERGY SAVING CENTER •24/7 remote control of building gives possibility to more proactivity •Provides alarms on temperature fall or unwished raise in energy use •Possible to produce information that effects the behaviour of tenants
  • 10. Title of Event I 19/01/18 I page 10www.grow-smarter.eu House 2A Schedule 2016 2017 2018 2019 2020 Design phase Construction phase Evaluation phase House 3B Design phase Construction phase Evaluation phase House 5E Design phase Construction phase Evaluation phase House 6F Design phase Construction phase Evaluation phase House 7G Design phase Construction phase Evaluation phase House 8H Design phase Construction phase Evaluation phase Baseline follow up Baseline follow up
  • 11. Title of Event I 19/01/18 I page 11www.grow-smarter.eu
  • 12. Title of Event I 19/01/18 I page 12www.grow-smarter.eu
  • 13. Title of Event I 19/01/18 I page 13www.grow-smarter.eu Thanks!