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  INTRODUCTION
  BACKGROUND
  THE GLOBAL PERSPECTIVE
  THE LOCAL PERSPECTIVE
  THE PRIVATE PERSPECTIVE
 

30% of modern houses built during the last 50 years all over the world are dilapidating, according to investigations made by WHO. New modern materials, combined with short construction times, lack of feedback in the building-process, moisture and simple botching are some of the problems we can still find in new buildings. It is possible to build healthy buildings if you create eco-cycle-adapted buildings based on system design – EcoCycleDesign.


The annual energy flow through a modern Swedish house

In a modern Swedish house, we use 400.000 m3 clean air.  The same amount of used air leaves the house. 20.000 KWh energy becomes 20.000 KWh lost energy. 1.000 -  2.000 kg of food and goods which are brought to the house leave the house as waste. 200.000 litres clean water are converted into waste water. The average car uses about 20.000 KWh and causes 2.000 kg of pollution. The food for 4 people ”costs” about 40.000 KWh to produce from the farmland to the dinner table. The energy consumption is about 1.000 KWh per person per year. The annual energy flow through houses varies of course in different parts of the world.


Potential energy savings

The cultivation and preparation of food from the farmland to the dinner table, for a family of four in Northern Europe, uses 40.000 KWh/year as mentioned above. The heating uses 20.000 KWh/year and a car 20.000 KWh/year, if you drive it 20.000 km. The potential savings are, for locally produced food 30.000 KWh, for a well insulated house 10.000 KWh and if you change to an energy saving car or drive shorter distances, you can save up to 10.000 KWh/year. If the cost per energy unit was SEK 1, you could save SEK 50.000 per year!


In total, potential energy savings for a household of 4 people in Northern Europe can easily reach 50.000 KWh/year.