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Passipedia - The Passive House Resource
Public lecture on June 3rd 2022, 14:00 University of Innsbruck “ Efficiency” by Wolfgang Feist
Quote from Fridays For Future Russia (@FFFRussia): “We reject all military conflicts. In a situation where the world is suffering from climatic, environmental and other crises, war will only exacerbate these crises, it will not help solve them. In the present time, all conflicts must be resolved through diplomacy and not by spilling the blood of civilians in other countries.”
We demand an immediate end to the hostilities and withdrawal of Russian troops from the Ukrainian territory!
This war is impacting many people all around the world. Once again, it has become clear where our dependence on fossil energy sources has led us to. We will shortly set up a special section on these pages where appropriate substantiated information will be provided about how this dependency can be reduced at short notice. Besides sufficiency measures (yes, these will also be needed here), this will relate above all to easily implementable efficiency measures which enable quite noticeable reductions with reference to safety, health, avoiding harm, saving costs and at the same time reducing CO2 emissions. Energy efficiency (that is the reduction of energy losses) is a decisive contribution to peace with nature - and thus a contribution to peace among humans.
Welcome to Passipedia, the Passive House resource!
Passipedia constitutes a vast array of cutting edge, scientifically sound, Passive House relevant articles. On Passipedia, basic Passive House information and insights are available for all to see, whereas members of the International Passive House Association (iPHA) receive special access to the more in-depth sections. You want to get to know the Passive House concept in short time? As a start, we recommend the video embedded on the right “Passive House Explained in 90 Seconds” by Hans-Jörn Eich (Video under creative commons license "Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)).
For Spanish speakers: You may also watch the video: "Los 5 principios básicos del concepto casa Pasiva explicados en 125 segundos por el Consorcio Passivhaus" by INN Solutions.
What is a Passive House?
Passive House is a building standard that is truly energy efficient, comfortable and affordable at the same time. Passive House is not a brand name, but a tried and true construction concept that can be applied by anyone, anywhere.
Yet, a Passive House building is much more than “just” a low-energy building:
- Passive House buildings allow for space heating and cooling related energy savings of up to 90% compared with typical building stock and over 75% compared to average new builds. Passive House buildings use less than 1.5 l of oil or 1.5 m3 of gas to heat one square meter of living space for a year – substantially less than common “low-energy” buildings. Vast energy savings have been demonstrated in warm climates where typical buildings also require active cooling.
- Passive House buildings make efficient use of the sun, internal heat sources and heat recovery, rendering conventional heating systems unnecessary throughout even the coldest of winters. During warmer months, Passive House buildings make use of passive cooling techniques such as strategic shading to keep them comfortably cool.
- Passive House buildings are praised for the high level of comfort they offer. Internal surface temperatures vary little from indoor air temperatures, even in the face of extreme outdoor temperatures. Appropriate windows and a building envelope consisting of a highly insulated roof and floor slab as well as highly insulated exterior walls keep the desired warmth in the house – or undesirable heat out.
- A ventilation system imperceptibly supplies constant fresh air, making for superior air quality without unpleasant draughts. A highly efficient heat recovery unit allows for the heat contained in the exhaust air to be re-used.
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