[Nordic GBC Conference 2013] Aalto University - Experiences on Zero-Energy Building

LUUKKU and LANTTI EXPERIENCES on ZERO-ENERGY BUILDING in AALTO UNIVERSITY

LUUKKU WOODEN HOUSE of 2020’s

• DESIGNED and BUILD by AALTO UNIVERSITY STUDENTS

• PARTICIPATED SOLAR DECATHLON EUROPE 2010 COMPETITION in SUMMER 2010 with 18 UNIVERSITIES

• MULTI-DISCIPLINARY RESEARCH and EDUCATION PROJECT

LUUKKU HOUSE

ENERGY SAVING

STRUCTURES:

– AIR-TIGHTNESS (n50 = 0,6 1/h)

– AVOIDING THERMAL BRIDGES

– EXCELLENT THERMAL INSULATION U-values = 0,08…0,09 W/m2K

STRUCTURES:

– KERTO LVL-PANEL FRAME

• air-tightness, sealing the corners

• wheather protection

– SEPA-TRUSS THERMAL-CUT ELEMENTS

• cellulose fiber insulation 350mm, U = 0,08 W/m2K

• wood-fibre board

ENERGY SAVING

ENERGY SAVING

• OPENINGS:

– SIZE, AMOUNT ORIENTATION

– U = 0,35

– SHADING

SOLAR ELECTRICITY to the NET6900 kWh/a

SOLAR HEAT for OWN USE1000 kWh/a

ELECTRICITYfrom the NET5000 kWh/a

TECHNICAL SOLUTIONS

• VENTILATION INTEGRATED into AIR-to-AIR HEAT PUMP

• EASY USER-INTERFACE to CONTROL THE USE OF ENERGY

• INTEGRATED BIM-BASED DESIGN PROCESS

• DYNAAMIC ENERGY-SIMULATION through WHOLE DESIGN PROCESS

-1000

-500

0

500

1000

1500

2000

kW

h

SOLAR COLLECTORS / PRODUCTION

PHOTOVOLTAIC PANELS / PRODUCTION

FANS, PUMPS ETC.

LIGHTING

EQUIPMENT

DOMESTIC HOT WATER

SPACE COOLING

SPACE HEATING

TECHNICAL SOLUTIONS

ENERGY PRODUCTION

– 60 m2 PHOTO-VOLTAIC PANELS (electricity) – 5 m2 SOLAR COLLECTORS (domestic hot water)

• PLUS-ENERGY HOUSE both in FINLAND and SPAIN– Helsinki: production 3100 kWh more than

consumption / year

– Mäntyharju: production1900 kWh more than consumption / year

– Madrid: production 2,5 x consumption

0

2000

4000

6000

8000

10000

12000

14000

16000

MADRID ESPOO MÄNTYHARJU

kWh NET ENERGY CONSUMPTION

NET ENERGY GENERATION

ENERGY BALANCE E = -76

• USE OF RENEWABLE BUILDING MATERIALS

– 75% RENEWABLE MATERIALS

– CO2 STORAGE: 26 000 kg

– CO2 EMISSIONS:15 000 kg

– CHOISE OF MATERIALS BASED ON LIFE-CYCLE ASSESTMENT

MATERIALS

• INNOVATIVE USE OF WOOD

– EFFEX-INTERIOR PANELS

• Moisture buffering, acoustics

• Hiding the element seams

– GORK–WOOD–GLASS DOORS & WINDOWS

• thermal-cut, stiffness, weather protection

WOOD

• BIM –MODELLING

• DYNAMIC ENERGY-SIMULATION with IDA-ICE

• 1:1 PLYWOOD INTERIOR MODEL to STUDY THE SPACE

• 1:20…1:1 DETAIL MODELS

MODELLING

Aalto University FinlandArts et Metiers Paris Tech FranceBergische Universität Wuppertal GermanyEcole National Supérieure d'architecture de Grenoble FranceFachhochschule fur Technik und Wirtschaft Berlin GermanyInstituto de Arquitectura Avanzada de Cataluña SpainStuttgart University of Applied Sciences (HFT Stuttgart) GermanyTianjin University ChinaTongii University Shanghai ChinaUniversity of Applied Sciences Rosenheim GermanyUniversidad CEU Cardenal Herrera SpainUniversity of Florida USAUniversity of Nottingham Great BritainUniversidad Politécnica de Cataluña (UPC) SpainUniversidad de Sevilla SpainUniversidad de Valladolid SpainVirginia Polytechnic Institute & State University USA

SOLAR DECATHLON 2010

Virginia Polytechnic Institute & State University USAUniversity of Applied Sciences Rosenheim GermanyStuttgart University of Applied Sciences (HFT Stuttgart) GermanyEcole National Supérieure d'architecture de Grenoble FranceAalto University FinlandBergische Universität Wuppertal GermanyArts et Metiers Paris Tech FranceUniversity of Florida USAUniversidad CEU Cardenal Herrera SpainFachhochschule fur Technik und Wirtschaft Berlin GermanyTongii University Shanghai ChinaUniversidad de Sevilla SpainUniversidad Politécnica de Cataluña (UPC) SpainUniversidad de Valladolid SpainUniversity of Nottingham Iso-BritanniaTianjin University ChinaInstituto de Arquitectura Avanzada de Cataluña Spain

SOLAR DECATHLON 2010

LUUKKU HOUSE

”WOODEN HOUSE THAT ONLY FINNS STILL CAN BUILD”Glenn Murcutt, 2010

LANTTI FINNISH ZERO-ENERGY HOUSE 2020

HOUSING FAIR 2012 in TAMPERE

AIMS:

1. STANDARD DETACHED HOUSE with E-VALUE = 0- BASED ON PRIMARY ENERGY CALCULATION

- CALCULATED ON ANNUAL CONSUMPTION

AIMS:



2. ADAPTABILITY- FLEXIBLE PLAN VARIATIONS

- ADAPTABILITY to DIFFERENT HOUSING TYPES

AIMS:



2. ADAPTABILITY- FLEXIBLE PLAN VARIATIONS

- ADAPTABILITY to DIFFERENT HOUSING TYPES

3. ECONOMICAL SOLUTIONS

MEANS:

1. SAVING ENERGY

MEANS:

1. SAVING ENERGY

2. OWN ENERGY PRODUCTION

MEANS:

1. SAVING ENERGY


3. USE OF RENEWABLE ENERGY SOURCES

MEANS:

1. SAVING ENERGY


3. USE OF RENEWABLE ENERGY SOURCES

4. CAREFUL DETAILING in BUILDING PHASE

ARCHITECTURE:

- LOW FORM FACTOR = COMPACT VOLUME

ARCHITECTURE:

- LOW FORM FACTOR = COMPACT VOLUME

- ORIENTATION + SIZE of the WINDOWS

STRUCTURE:

- EFFECTIVE THERMAL INSULATION, U = 0,07 - 0,09 W/m2k

STRUCTURE:


- GOOD AIR-TIGHTNESS (n50 = 0,3 1/h)

STRUCTURE:


- GOOD AIR-TIGHTNESS (n50 = 0,3 1/h)

- AVOIDING THERMAL BRIDGES- thermal-cut stud-frame

TECHNICAL SOLUTIONS:

HEATING and DOMESTIC HOT WATER:

- DISTRICT HEATING


- DISTRICT HEATING

- SOLAR COLLECTORS 8 m² (domestic hot water)


- DISTRICT HEATING

- SOLAR COLLECTORS 8 m² (domestic hot water)

- WATER BASED FLOOR HEATING- optimized by the different uses of the spaces

VENTILATION:

- HEAT-RECOVERY, with 80 % annual effectivity

VENTILATION:


- ROTATING HEAT EXCHANGER

VENTILATION:


- ROTATING HEAT EXCHANGER

- FRESH AIR PRE-HEATED with DISTRICT HEAT

LIGHTING:

- OPTIMISED USED of NATURAL LIGHT(avoiding overheating, window in every space)

LIGHTING:


- LED-LIGHTING

LIGHTING:


- LED-LIGHTING

- KNX-BASED LIGHTING CONTROL

APPLIANCES:

- AA-ENERGY CLASS APPLIENCES and DEVICES

APPLIANCES:


- WATER SAVING TAPS

APPLIANCES:


- WATER SAVING TAPS

- HOME / AWAY SWITCH

MATERIALS:

- HIGH TEMPERATURE of WOODEN SURFACES

MATERIALS:


- LIGHT REFLECTING SURFACES

MATERIALS:


- LIGHT REFLECTING SURFACES

- WOOD as MOISTURE BUFFER

DESIGN AND BUILDING:

- COLLABORATION within the DESIGN TEAM

-



- GUIDANCE and SUPERVISION on BUILDING SITE




- COMPREHENSIVE, HOLISTIC APPROACH




- COMPREHENSIVE, HOLISTIC APPROACH

- ROLES in the TEAM

ENERGY PRODUCTION

- SOLAR PANELS 60 m2

- production 7020 kWh/a (electricity)

ENERGY PRODUCTION

- SOLAR PANELS 60 m2

- production 7020 kWh/a (electricity)

- SOLAR COLLECTORS 8 m2

- production 2660 kWh/a (domestic hot water)

ENERGYBALANCEE = -1

PRODUCTION and CONSUMPTION:

- IN DIFFERENT TIMES

- ORIENTATION OF THE HOUSE

MONITORING:

- REAL-TIME CONSUMPTION an PRODUCTION

- GUIDING USER INTERFACE

- THICKLY INSULATED STUCTURES- floor, roof and wall

1. USEABILITY and COMFORT!

DID WE LEARN?


2. COOLING or SHADING?

3. EXTRA HEAT of THE APPLIANCES?

4. INTEGRATION of SOLAR TECHNOLOGY?

DID WE LEARN?





5. COSTS...UPGRADEABILITY

DID WE LEARN?






6. NO-TECH or/and HI-TECH?

7. TRADITION and NATURAL LAWS?

8. COMMON SENSE, CREATIVITY, RISK

9. ARCHITECTURE?

DID WE LEARN?






6. NO-TECH or/and HI-TECH?

7. TRADITION and NATURAL LAWS?

8. COMMON SENSE, CREATIVITY, RISK

9. ARCHITECTURE?

10.LOW ENERGY + LOW CARBON = HIGH QUALITY

DID WE LEARN?

IMPROVE AWARD 2010

THE DEVELOPER of USE OF WOOD 2010

WOOD AWARD 2010” Without multi-disciplinary teamwork we could not have reached the goals”

professor Kai Sirén, chairman of the Steering group

WAS IT WORTH?

LANTTI FINNISH ZERO-ENERGY HOUSE 2020

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[Nordic GBC Conference 2013] Aalto University - Experiences on Zero-Energy Building

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