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

2. LUUKKU
WOODEN HOUSE of 2020’s

3. LUUKKU HOUSE
• 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

4. ENERGY SAVING
STRUCTURES:
– AIR-TIGHTNESS (n50 = 0,6 1/h)
– AVOIDING THERMAL BRIDGES
– EXCELLENT THERMAL INSULATION U-values = 0,08…0,09 W/m2K

5. ENERGY SAVING
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

6. ENERGY SAVING
• OPENINGS:
– SIZE, AMOUNT ORIENTATION
– U = 0,35
– SHADING

7. TECHNICAL SOLUTIONS
SOLAR HEAT for
OWN USE
1000 kWh/a
SOLAR
ELECTRICITY
to the NET
6900 kWh/a
ELECTRICITY
from the NET
5000 kWh/a

8. 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
2000
1500
SOLAR COLLECTORS / PRODUCTION
1000 PHOTOVOLTAIC PANELS / PRODUCTION
FANS, PUMPS ETC.
LIGHTING
kWh
500 EQUIPMENT
DOMESTIC HOT WATER
SPACE COOLING
0 SPACE HEATING
-500
-1000

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

10. ENERGY BALANCE E = -76
• 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
16000
14000
12000
10000
NET ENERGY CONSUMPTION
kWh
8000
NET ENERGY GENERATION
6000
4000
2000
0
MADRID ESPOO MÄNTYHARJU

11. MATERIALS
• 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

12. WOOD
• INNOVATIVE USE OF WOOD
– EFFEX-INTERIOR PANELS
• Moisture buffering, acoustics
• Hiding the element seams
– GORK–WOOD–GLASS DOORS & WINDOWS
• thermal-cut, stiffness, weather protection

13. MODELLING
• BIM –MODELLING
• DYNAMIC ENERGY-SIMULATION with IDA-ICE
• 1:1 PLYWOOD INTERIOR MODEL to STUDY THE SPACE
• 1:20…1:1 DETAIL MODELS

14. SOLAR DECATHLON 2010
Aalto University Finland
Arts et Metiers Paris Tech France
Bergische Universität Wuppertal Germany
Ecole National Supérieure d'architecture de Grenoble France
Fachhochschule fur Technik und Wirtschaft Berlin Germany
Instituto de Arquitectura Avanzada de Cataluña Spain
Stuttgart University of Applied Sciences (HFT Stuttgart) Germany
Tianjin University China
Tongii University Shanghai China
University of Applied Sciences Rosenheim Germany
Universidad CEU Cardenal Herrera Spain
University of Florida USA
University of Nottingham Great Britain
Universidad Politécnica de Cataluña (UPC) Spain
Universidad de Sevilla Spain
Universidad de Valladolid Spain
Virginia Polytechnic Institute & State University USA

15. SOLAR DECATHLON 2010
Virginia Polytechnic Institute & State University USA
University of Applied Sciences Rosenheim Germany
Stuttgart University of Applied Sciences (HFT Stuttgart) Germany
Ecole National Supérieure d'architecture de Grenoble France
Aalto University Finland
Bergische Universität Wuppertal Germany
Arts et Metiers Paris Tech France
University of Florida USA
Universidad CEU Cardenal Herrera Spain
Fachhochschule fur Technik und Wirtschaft Berlin Germany
Tongii University Shanghai China
Universidad de Sevilla Spain
Universidad Politécnica de Cataluña (UPC) Spain
Universidad de Valladolid Spain
University of Nottingham Iso-Britannia
Tianjin University China
Instituto de Arquitectura Avanzada de Cataluña Spain

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

17. LANTTI
FINNISH ZERO-ENERGY HOUSE 2020
HOUSING FAIR 2012 in TAMPERE

18. AIMS:
1. STANDARD DETACHED HOUSE with E-VALUE = 0
- BASED ON PRIMARY ENERGY CALCULATION
- CALCULATED ON ANNUAL CONSUMPTION

19. AIMS:
1. STANDARD DETACHED HOUSE with E-VALUE = 0
- BASED ON PRIMARY ENERGY CALCULATION
- CALCULATED ON ANNUAL CONSUMPTION
2. ADAPTABILITY
- FLEXIBLE PLAN VARIATIONS
- ADAPTABILITY to DIFFERENT HOUSING TYPES

20. AIMS:
1. STANDARD DETACHED HOUSE with E-VALUE = 0
- BASED ON PRIMARY ENERGY CALCULATION
- CALCULATED ON ANNUAL CONSUMPTION
2. ADAPTABILITY
- FLEXIBLE PLAN VARIATIONS
- ADAPTABILITY to DIFFERENT HOUSING TYPES
3. ECONOMICAL SOLUTIONS

21. MEANS:
1. SAVING ENERGY

22. MEANS:
1. SAVING ENERGY
2. OWN ENERGY PRODUCTION

23. MEANS:
1. SAVING ENERGY
2. OWN ENERGY PRODUCTION
3. USE OF RENEWABLE ENERGY SOURCES

24. MEANS:
1. SAVING ENERGY
2. OWN ENERGY PRODUCTION
3. USE OF RENEWABLE ENERGY SOURCES
4. CAREFUL DETAILING in BUILDING PHASE

25. ARCHITECTURE:
- LOW FORM FACTOR = COMPACT VOLUME

26. ARCHITECTURE:
- LOW FORM FACTOR = COMPACT VOLUME
- ORIENTATION + SIZE of the WINDOWS

27. STRUCTURE:
- EFFECTIVE THERMAL INSULATION, U = 0,07 - 0,09 W/m2k

28. STRUCTURE:
- EFFECTIVE THERMAL INSULATION, U = 0,07 - 0,09 W/m2k
- GOOD AIR-TIGHTNESS (n50 = 0,3 1/h)

29. STRUCTURE:
- EFFECTIVE THERMAL INSULATION, U = 0,07 - 0,09 W/m2k
- GOOD AIR-TIGHTNESS (n50 = 0,3 1/h)
- AVOIDING THERMAL BRIDGES
- thermal-cut stud-frame

30. TECHNICAL SOLUTIONS:

31. HEATING and DOMESTIC HOT WATER:
- DISTRICT HEATING

32. HEATING and DOMESTIC HOT WATER:
- DISTRICT HEATING
- SOLAR COLLECTORS 8 m² (domestic hot water)

33. HEATING and DOMESTIC HOT WATER:
- DISTRICT HEATING
- SOLAR COLLECTORS 8 m² (domestic hot water)
- WATER BASED FLOOR HEATING
- optimized by the different uses of the spaces

34. VENTILATION:
- HEAT-RECOVERY, with 80 % annual effectivity

35. VENTILATION:
- HEAT-RECOVERY, with 80 % annual effectivity
- ROTATING HEAT EXCHANGER

36. VENTILATION:
- HEAT-RECOVERY, with 80 % annual effectivity
- ROTATING HEAT EXCHANGER
- FRESH AIR PRE-HEATED with DISTRICT HEAT

37. LIGHTING:
- OPTIMISED USED of NATURAL LIGHT
(avoiding overheating, window in every space)

38. LIGHTING:
- OPTIMISED USED of NATURAL LIGHT
(avoiding overheating, window in every space)
- LED-LIGHTING

39. LIGHTING:
- OPTIMISED USED of NATURAL LIGHT
(avoiding overheating, window in every space)
- LED-LIGHTING
- KNX-BASED LIGHTING CONTROL

40. APPLIANCES:
- AA-ENERGY CLASS APPLIENCES and DEVICES

41. APPLIANCES:
- AA-ENERGY CLASS APPLIENCES and DEVICES
- WATER SAVING TAPS

42. APPLIANCES:
- AA-ENERGY CLASS APPLIENCES and DEVICES
- WATER SAVING TAPS
- HOME / AWAY SWITCH

43. MATERIALS:
- HIGH TEMPERATURE of WOODEN SURFACES

44. MATERIALS:
- HIGH TEMPERATURE of WOODEN SURFACES
- LIGHT REFLECTING SURFACES

45. MATERIALS:
- HIGH TEMPERATURE of WOODEN SURFACES
- LIGHT REFLECTING SURFACES
- WOOD as MOISTURE BUFFER

46. DESIGN AND BUILDING:
- COLLABORATION within the DESIGN TEAM
-

47. DESIGN AND BUILDING:
- COLLABORATION within the DESIGN TEAM
- GUIDANCE and SUPERVISION on BUILDING SITE

48. DESIGN AND BUILDING:
- COLLABORATION within the DESIGN TEAM
- GUIDANCE and SUPERVISION on BUILDING SITE
- COMPREHENSIVE, HOLISTIC APPROACH

49. DESIGN AND BUILDING:
- COLLABORATION within the DESIGN TEAM
- GUIDANCE and SUPERVISION on BUILDING SITE
- COMPREHENSIVE, HOLISTIC APPROACH
- ROLES in the TEAM

50. ENERGY PRODUCTION
- SOLAR PANELS 60 m2
- production 7020 kWh/a (electricity)

51. ENERGY PRODUCTION
- SOLAR PANELS 60 m2
- production 7020 kWh/a (electricity)
- SOLAR COLLECTORS 8 m2
- production 2660 kWh/a (domestic hot water)

52. ENERGYBALANCE
E = -1

53. PRODUCTION and CONSUMPTION:
- IN DIFFERENT TIMES
- ORIENTATION OF THE HOUSE

54. MONITORING:
- REAL-TIME CONSUMPTION an PRODUCTION
- GUIDING USER INTERFACE
- THICKLY INSULATED STUCTURES
- floor, roof and wall

55. DID WE LEARN?
1. USEABILITY and COMFORT!

56. DID WE LEARN?
1. USEABILITY and COMFORT!
2. COOLING or SHADING?
3. EXTRA HEAT of THE APPLIANCES?
4. INTEGRATION of SOLAR TECHNOLOGY?

57. DID WE LEARN?
1. USEABILITY and COMFORT!
2. COOLING or SHADING?
3. EXTRA HEAT of THE APPLIANCES?
4. INTEGRATION of SOLAR TECHNOLOGY?
5. COSTS...UPGRADEABILITY

58. DID WE LEARN?
1. USEABILITY and COMFORT!
2. COOLING or SHADING?
3. EXTRA HEAT of THE APPLIANCES?
4. INTEGRATION of SOLAR TECHNOLOGY?
5. COSTS...UPGRADEABILITY
6. NO-TECH or/and HI-TECH?
7. TRADITION and NATURAL LAWS?
8. COMMON SENSE, CREATIVITY, RISK
9. ARCHITECTURE?

59. DID WE LEARN?
1. USEABILITY and COMFORT!
2. COOLING or SHADING?
3. EXTRA HEAT of THE APPLIANCES?
4. INTEGRATION of SOLAR TECHNOLOGY?
5. COSTS...UPGRADEABILITY
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

60. WAS IT WORTH?
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

61. LANTTI
FINNISH ZERO-ENERGY HOUSE 2020
MAIN PARTNERS: