3 Most Important Human Needs

Est. Reading: 1 minute
March 31, 2022
  • Food to eat
  • Liquid to drink
  • Air to breathe

We consume approximately 1 kg of solid food/day and drink approximately 3 liters of liquids/day. If you compare this to the fact that we breathe about 30 kg of air/day it is actually surprising how little we think about that. Most of us are very particular about the food and beverages we consume while the air we breathe do not get the same type of attention. Of the 30 kg of air that we breathe daily, 27 kg comes from indoor air (we are spending approximately 90% of our time indoors), and for that reason a good indoor climate is important for our wellbeing.

Indoor Pollution Sources
Examples of these include: Building materials Furniture Electronics Chemicals People Animals We need to bring fresh air into our homes so that we do not suffer from illness. When using a balanced ventilation system you remove poorley used air and replaced with fresh filtered clean air, in this way you will get a very good […]
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Low-Energy and Passive House
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Counterflow Heat Exchangers
A counterflow heat exchanger only exchanges the air; it doesn't exchange moisture or odor. Extract and supply air ducts are completely separated to prevent any leakage. The counterflow heat exchanger has no moving parts, which means there is less risk of it breaking. It also has same, or better efficiency as the rotating heat echanger.
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