1. The Research Centre on Zero Emission Buildings (ZEB) - About the ZEB Centre - Definition of Zero Emission Buildings - ZEB Demonstration Projects Arild Gustavsen, Professor NTNU Director The Research Centre on Zero Emission Buildings

2. The main objective of the Research Centre on Zero Emission Buildings
is to develop competitive products and solutions for existing and new buildings that will lead to market penetration of buildings with zero greenhouse gas emissions related to their production, operation, and demolition. The centre encompass both residential, commercial, and public buildings.
Illustration: Snøhetta/MIR

3. ZEB Facts Host institution: NTNU
Research partners: SINTEF Building and Infrastructure and SINTEF Energy Research
Industry and public partners: 22
Start date (contract with RCN signed): November 2009
Total budget: ca. 290 MNOK (+ additional to research infrastructure)
Researchers associated with the Centre: about 25 (most part time)
PhD candidates: 21
Post docs: 5

4. ZEB Research Activities
ZEB focuses its work in areas that interact and influence each other:
WP1 Advanced materials technologies
WP2 Climate-adapted low-energy envelope technologies
WP3 Energy supply systems and services
WP4 Use, operation, and implementation
WP5 Concepts, strategies and pilot buildings
Laboratories
Nano insulation material
VIP Leca Isoblokk
Membrane heat exchanger
ZEB Living Lab
ZEB Pilot buildings
A world where buildings do not contribute with greenhouse gas emissions
ZEB Definition

5. Zero Emission Buildings - The Challenge:
The main concept of a zero emission building is that renewable energy sources produced or transformed at the building site have to compensate for CO2 emissions from operation of the building and for production, transport and demolition of all the building materials and components during the life cycle of the building.
Energy standard, single family houses in Norway
-100
-50 50
100
150
200
250
Today's
average
standard
Buildings
code, 2007
Passive
house
Net zero
energy
Plus energy
Annually energy demand/production: kWh/m2
Energy demand
Energy production
Source: SINTEF Byggforsk

6. Production of renewable energy
Zero Emission Buildings Definition
Materials
Construction
Use
Demolition
Production of renewable energy
Payback of CO 2
Use of energy
Emission of CO 2

7. Zero Emission Buildings Definition
ZEB – COMPLETE: The building's renewable energy production compensate for greenhouse gas emissions from the entire lifespan of the building. Building materials – construction – operation and demolition/recycling.
ZEB – COM: The building's renewable energy production compensate for greenhouse gas emissions from construction, operation and production of building materials.
ZEB – OM: The building's renewable energy production compensate for greenhouse gas emissions from operation and from the production of its building materials.
ZEB – O: The building's renewable energy production compensate for greenhouse gas emissions from operating the building.
ZEB – O - EQ: The building's renewable energy production compensate for greenhouse gas emissions from operating the building minus the energy use for equipment (plug loads). This is the definition that most likely will be similar to a (nearly) zero energy building requirement.
Powerhouse ligger mellom ZEB O og ZEB OM

8. ZEB Demonstration Buildings
Pilot Building
Type of Building
ZEB-ambition
Built area
1. Skarpnes, Arendal
20 new apartments and 20 new detached houses
ZEB-O
4 500 m2
2. Powerhouse Kjørbo, Sandvika
Renovation of two office buildings
ZEB-OM÷EQ
5 000 m2
3. ZEB Pilot House, Larvik
New detached demonstration house
ZEB-OM
200 m2
4. Ådland, Bergen
720 new dwellings
ZEB-O (area)
ZEB-OM (building) m2
5. Visund, Haakonsvern Bergen
New office building
ZEB-O÷EQ
2 000 m2
6. Powerhouse Brattøra, Trondheim m2
7. ZEB Living Lab, Trondheim
New research dwelling
100 m2
8. Heimdal VGS, Trondheim
New upper secondary school m2
9. Campus Evenstad
ZEB-COM
1 100 m2

9. Powerhouse Kjørbo Sandvika
Treverk blir brukt i fasaden. Redusert tekniske installasjoner.
PowerHouse Alliance:
Skanska, Entra, Snøhetta, Zero, Asplan Viak, Hydro, SAPA
Illustrasjon: SNØHETTA / MIR

10. Powerhouse Kjørbo Sandvika.
Powerhouse Kjørbo Sandvika.
Exposed concrete – thermal mass.
Reuse of glass/concrete.
Use of wood in the façade.
Hybrid ventilation.
Eksponert betong.
PowerHouse Alliance:
Skanska, Entra, Snøhetta, Zero, Asplan Viak, Hydro, SAPA
Illustration SNØHETTA / MIR 10

11. Ambition ZEB – OM-EQ.
Solceller på tak. For å sørge for fornybar energi-produksjon.
Powerhouse Kjørbo
Sandvika / Bærum
Illustration SNØHETTA / MIR

12. Powerhouse Kjørbo Sandvika – Material emissions

13. ZEB Pilot House Larvik - demonstration home
Owner: Brødrene Dahl and Optimera, Architects: Snøhetta, Illustration: MIR

14. ZEB Pilot House Larvik – Demonstration home.
Reuse of bricks. Use of wood.
Combines different systems: Heat pump, PV and solar collector.
Ambition ZEB – OM.
Owner: Brødrene Dahl and Optimera
Architects: Snøhetta
Illustration: MIR
Gjenbruk av murstein. Mye bruk av treverk.

15. ZEB Pilot House Larvik – Demonstration home
Material Emissions

16. ZEB Living Lab, Trondheim
100 m² living area
ZEB-OM (Operation and Materials)
Building integrated photovoltaics: 80 m2
Solar panel in the facade
Ground to water heat pump
Heat recovery system (Flexit)
PCM in the roof (DuPont)
VIP in sliding doors (NorDan)
Reflective vapor barrier (Isola)
Mixed mode ventilation (Sapa, VELUX, and Caverion)
LED Lights (NorDesign)
Brukerstudier

17. The Living Lab – building envelope features
U-value wall
0.11
W/m2K
U-value floor
0.10
U-value roof
U-value windows (south façade)
0.65 (not ventilated)
U-value windows (north façade)
0.97
U-value windows (east-west façade)
0.66
U-value skylight
1.0
g-value
0.5 -
Air tightness
0.7
ach
Thermal bridges (normalized)
0.03

18. BIPV

19. ZEB Living Lab – Interior View

20. Thank you for your attention!
Contact:
Illustration: Snøhetta