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描述:

Introduction
Home for Life is designed as the world’s first Active House and is a result of a research and design development aimed at ensuring a necessary foothold in architecture in an anticipated sustainable and low-carbon future.

Thanks to 7 sq.m. solar collectors, 50 sq.m. solar cells and a solar heat pump the house has an anticipated energy surplus of 9kWh/sq.m./year it. In this way it takes approximately 40 years for the house to generate the same amount of energy that was used to produce its building materials and at that point the house will have returned more to nature than it consumed.
The window area of the house is 40 percent of the total floor area – twice the area of a traditional house – while sensors register heat, humidity and CO2 in all rooms and automatic window opening mechanisms let in fresh air. Furthermore the occupants and environment of the house are valued through quantitative and qualitative interviews and measuring. Subsequent the values are analyzed to develop knowledge to optimize the positive impact on the occupants and climate.

Materials:
EXTERNAL
Roof surfaces: Kongebro natural slate. Gaia Solar solar cells. VELUX solar panels and roof windows.
Facades: Kongebro natural slate. Dinesen Douglas- slats used as solar screening for windows. VELFAC Helo windows.
Patios:
Kongebro natural slate. Concrete paving stones with Bornholm mosaic stone mixed.
Carport and multi-house: Dinesen Douglas planks outside. White covering sheets inside.
INTERNAL
Floors: Kongebro natural slate in the kitchen/family room, entrance, utility room and in the bathroom on the main floor. Dinesen Douglas planks in the bedrooms and living room. Cast tiles of reused glass from Fliseuniverset on the 1st floor.
Walls and ceiling: Generally flat white surfaces. Dinesen Douglas planks around the »core« of the main floor.
Kitchen:
Cabinets from Multiform. Appliances from Siemens and Gaggenau. Faucets from Damixa.
Bathroom on the main floor: Fixtures from Catalano. Kongebro natural slate on the wall in the shower. Faucets from Damixa.
Bathroom on the 1st floor: Fixtures from Catalano. Mosaic tiles made of reused glass from Fliseuniverset. Faucets from Damixa.
Lighting: Louis Poulsen
REMAINDER
Mechanical ventilation: Nilan
Natural ventilation: WindowMaster
Solar heat pump: Sonnenkraft
Playhouse: Superwood
Indoor blinds: Faber

Project
Research and design development aimed at ensruing a necessary foothold in architecture in an anticipated sustainable and low-carbon future.
Time Plan
* First project meeting September 2007
* First ground breaking September 2008
* Official opening April 2009
* Open house 25April-28 June 2009
* Test period 1 July 2009-30 June 2010 

Developer
VELFAC A/S
VELUX A/S

Architect and landscape architect
AART architects A/S

Engineer
Esbensen Consulting Engineers

What has been done and why is it significant?
With the Home for Life concept, VELFAC launches its own vision for the future within sustainable homes.The purpose is to develop new knowledge about energy efficiency, comfort and aesthetics of future houses. The houses produce energy themselves and are built as examples of intelligent buildings with low energy use, a good indoor climate and an exciting architecture.Energy use for heating in Home for Life is about 50% of the energy use in a normal newly built house following the Danish requirements for new buildings in BR2008.
A house is more than just a shelter from the storm. How we shape our homes, and how we behave within them, speak volumes about our history, our values and our way of life.A home for life is an effective solution for energy efficiency, comfort and aesthetics of future houses.

What has been achieved; what is the measurable impact?
ENERGY
In Home for Life more energy is produced than consumed – and all energy is renewable
 The energy goal for Home for Life is that the house is self-sufficient with energy. It produces more energy than consumed, and calculated according to Beat 2002, the energy for erecting the house will be paid back within a 30-50 year period.
Home for Life produces an annual energy surplus. The energy surplus is calculated at 9.4 kWh/m²/year.Energy use for heating in Home for Life is about 50% of the energy use in a normal newly built house following the Danish requirements for new buildings in BR2008.(refer to figure)

 COMFORT
VentilationThere is a lot of fresh air in Home for Life. In the winter the air enters in via the mechanical ventilation system that at the same time ensures that the warmth from the exhaust is reused. The equipment is programmed so that it adapts to the ventilation needs in the room. The air is circulated into the »clean« rooms (bedrooms and living rooms) and exhausted from the utility rooms (kitchen, bathroom, laundry room).In the summer fresh air enters through natural ventilation that is controlled by a sensor in the house so that it is not ventilated more than necessary and at the same time, maintains a good indoor climate. The natural ventilation replaces the mechanical system with the result of energy savings.
Room heating and coolingThe temperature in each room can be regulated independently so it adjusts to the activities in the room.The house can shield itself from the sun in the summer time, so it is not getting too warm indoors. The screening is designed to fit the conditions of the facade and its orientation; and is automatically regulated in such a way that the inside temperature remains stable.Home for Life is designed to make use of as much passive energy as possible. Passive energy in the form of high daylight levels, passive heat from the sun together with ventilation via thermal lift and wind influence on the facades.
The active facadeIn Home for Life comfort is obtained by the help of an active facade. An active facade:
- Regulates itself how much light and warmth comes in through the windows. - Airs out itself, so there is always a healthy indoor climate in the house.
The active facade changes according to the seasons and needs. It can either be open to let the light and warmth in, or it can be closed to screen against the sun and maintain warmth during the night. (refer to figure)

AESTHETICS
The arrangement of the house Home for Life is designed with good space for both togetherness and peace and quiet. Emphasis is placed on creating special places for active experiences and flexible utilisation. The house is located on the north-west part of the lot to give the best possible space for gardens as well as utilize the height of the lot against north. The building appears as a total, sculptured building body where the carport and outbuilding are integrated. The house makes use of the zoning plan’s possibility for building in 1½ story which also contribute to optimize the view from the lot.
The FacadeThe choice of slate covering on the facade and roof reflects both the wish for durability, low CO2 influence and minimal maintenance, but also the wish to integrate the dark surfaces of the solar cells, the solar panels and the windows’ in a sculptural composition. The wood covering and wood flooring, with their feeling of natural warmth, give a contrast to the hardness and cold expression of the slate.
Dissolution of borders between inside and outsideIn the Home for Life the borders between inside and outside are dissolved. The windows and patio doors that reach to the floor make inside and outside flow together so the room appears larger and more airy, while the windows that go completely to the ceiling together with the skylights, ensure that the daylight comes deep into the rooms.
Daylight The house is organized around a light cross which provides light from all four sides. The main part of the rooms in the house have windows that face in at least two directions which besides being a source of light, also functions as an exit, ventilation opening, seating recesses, work place or as a frame around a view. 
The placement and the size of the windows are harmonious with the position of the sun in the sky, seasons, energy optimization and the needs of the residents in the house. The large insulation thickness and the pitch of the roof create a natural overhang facing south that provides comfortable sun screening without destroying the view. Besides this, glaring is avoided with integrated screening both inside and outside.(refer to figure)
 

What strategies and insights can be used universally and/or situationally? (40%)

The Home for Life has been created through 10 interdisciplinary workshops, where experts from the construction industry, research institutes, architects, engineers and others.There are some strategies that can be used universally in other sunniness places or four seasons clearly locations.

The first point is the human centered idea. It should also be pleasant to live in. With a lot of daylight and fresh air, flexiblily with space for both reflection and being together. And not least should life, light and air be reflected in the architecture of the house.Home for Life demonstrates how daylight and warmth can create a balance between energy, aesthetics and comfort – with humans in the center.

The second insight is about the energy between the demand and production.The energy goal for Home for Life is that the house is self-sufficient with energy. It is said that the house can produce more energy than consumed, and calculated according to Beat 2002, the energy for erecting the house will be paid back within a 30-50 year period. Energy use in Home for Life conforms to a low energy class 1. But in contradiction to other regulation codes Home for Life produces it's own energy.We can spread the pattern in other less energy place.For example ,The Base Valley designed by SAMBUICHI ARCITECTS and the Japanese pavilion in the 11th Venice double architecture expo in 2008 designed by Junya.

The third strategy is the comfort and well-being.Harmony between light/shade, heating/ cooling and internal/ external relationships.It has good ventilation and active facade ,so that it build a heathy indoor climate and good economy situation. The house of the future shall be pleasant to live in and around. It must not be too warm in the summer and not too cold in the winter. It should be flexible so that it gives space for both togetherness and for peace and quiet. The active facade changes according to the seasons and needs. It can either be open to let the light and warmth in, or it can be closed to screen against the sun and maintain warmth during the night.So the strategy should be easy to maintain and use.

The forth theory is aesthetics.Life, sunshine and wind reflected in the architecture.It is the light influence. The relationship between in and out air that gives a good architectural quality.The difference of slate covering on the facades of the wall and the roof reflects the durability, low CO2 , minimal maintenance and integrating the dark surfaces of the solar cells. The wood covering and flooring material, giving the feeling of natural warm, make a comparison between the hardness and cold expression of the slate.In this case ,the borders between inside and outside are dissolved. The doors of the windows and patio reach to the floor make inside and outside flow together. So the room appears larger and clearer. The skylignt going through the windows from the ceiling ensure that the illumination comes deep into the rooms.

The last but not the least part is the measurement and production .In, fact, the measurement of energy usage and doing an intelligent operation is a practice .The one part of the practice is a measurement program that will show the number of the energy is used and produced in the life cycle house. In these conditions, calculations and assumptions can be examined subsequently . The another part is to deal with the integrated control. Intelligent control of the house has to reduce the energy usage and increase the comfort with using the windows as best as possible as sources of sunshine and ventilation machine. The cooperation has been a research project called "Minimum configuration - Home Automation". The project shall develop and check the strategies for the structure of intelligent operation in the house through user innovation. The aim of the project is to develop and collect new ideas that how cordless operations can be both useful and comfortable for the users. The case gives the home livers a good example to try the warm environment ,energy usage and operation possibilities of sunlight as well as the development of sustainable data.

In conclusion, the house is testing more in other worth places. Through many years for the case has been tested, the house is fit for a regular family ( two adults and two children ) moving in and living their lives.There will be more strategies that we can utilize in our real lives.

What could be improved to make this case study regenerative?
We think this project's design concept is pretty well.These strategies and insights could be used universally and we could learn a lot from this project. We could develop and collect new ideas that how cordless operations can be both useful and comfortable for the users.Meanwhile we could also consider about modular building for a whole generation to live under one roof.It will strengthen the relationship in members of the household and economize on building cost according to the number of people modular building internal facilities.
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