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Passive Houses

Passive Houses - an overview

Passive housebuilding is a relatively new approach to not only healthy living but energy efficiency as well which relies heavily on an idea of maximizing the efficiency of all existing elements and systems. As a result, it decreases heating demands along with the quality and longevity of the property which, in turn, increase its market value.


     Prof. Feist’s definition:

A passive house is characterised by extremely low heating demands (about 15 kWh/m2 per year) which can be achieved solely through ‘passive’ sources of heat (i.e. recovering heat from ventilation systems, electrical appliances, solar energy or, even, the inhabitants themselves)         , thus, making any autonomous heating systems obsolete. As a result, the building requires little energy for space heating or cooling.

Passive houses - properties:

  • an extremely compact construction
  • the majority of the windows installed face the south, thus, allowing the relative heat gains to cover almost 40% of the demand
  • heat recovery ventilation systems
  • the complete absence of space heating systems as it is fulfilled by the existing energy conservation and recovery methods
  • all external partitions are extremely airtight and energy efficient
  • a possibility of recovering heat from the ground through the installation of a ground heat exchanger
  • an optional recocery of solar energy is possible through solar thermal collectors

Please see an attached presentation for more information- „An Open Letter” from the President of the Polish Passive House Institute

Feel free to visit the official website of the institute  - www.pibp.pl

 

Our company’s undertakings in terms of adjusting our products to the requirements of the passive house standard:

  1. Our external walls and partitions have an extremely high ratio of heat  recovery due to the multilayered structure of our insulation materials. The styrofoam (which can be located under stucco or wood siding) may be replaced with mineral wool, thus, increasing, the thermal insulation of the walls and partitions in question.
  2. All buildings done according to the requirements of the house-frame technology require a highly meticulous production process which, in turn, has a positive effect on the energy efficiency of the building itself
  3. Well done insulation system along with the overall construction process minimise the danger heat loss
  4. Well insulated roofs and ceilings (300 mm of mineral wool) satisfy the requirements of passive house building.
  5. Meticulously done carpentry (U values below 0,8 W/m2•K ) due to the application of triple pane insulated glazing and specially developed thermally broken window frames
  6. Well insulated floors.



 Before becoming a homeovner, one should consider a broad range of living costs over a period of years. A substantial decrease in energy emissions, when taken into account along with rising utility proces, should be a priority for a future property owner.

an optional recocery of solar energy is possible through solar thermal collectors

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