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basics:what_is_a_passive_house [2019/02/21 09:49] – cblagojevicbasics:what_is_a_passive_house [2022/09/23 13:18] – wfeist
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 ====== What is a Passive House? ====== ====== What is a Passive House? ======
 +Want to see a video first? Click the video-frame: **{{ youtube>xLxwa-rwFP8?300| What is a passive house? Video by Dr. Wolfgang Feist }}**
 {{ :picopen:heating_energy_savings_diagram_e.jpg?300}} {{ :picopen:heating_energy_savings_diagram_e.jpg?300}}
  
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 ==== Measurement results ==== ==== Measurement results ====
-Measurements carried out in 114 Passive House apartments which were part of the [[http://www.cepheus.de/|CEPHEUS]] project showed average savings of approx. 90%. In other words, the Passive House is a “factor 10 house” which only uses **one tenth** of the energy used by average houses. Please click [[Basics:Energy and ecology:Primary energy – quantifying sustainability|here]] to learn about the amount of **primary energy** this translates to. The passive house concept delivers - the savings are real, there is no performance gap.+Measurements carried out in 114 Passive House apartments which were part of the CEPHEUS project showed average savings of approx. 90%; since then, lots of realized passive houses have been monitored with [[operation:operation_and_experience:measurement_results:energy_use_measurement_results|convincing results]]. In other words, the Passive House is a “factor 10 house” which only uses **one tenth** of the energy used by average houses. Please click [[Basics:Energy and ecology:Primary energy – quantifying sustainability|here]] to learn about the amount of **primary energy** this translates to. The passive house concept delivers - the savings are real, there is no performance gap.
  
 ==== Versatility ==== ==== Versatility ====
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 ===== And this is how it works ===== ===== And this is how it works =====
  
-**--> Efficiency improves comfort**+**⇒ Efficiency improves comfort**
  
 The Passive House is the world leading standard in energy-efficient construction: A Passive House requires as little as 10 percent of the energy used by typical Central European buildings – meaning an energy savings of up to 90 percent. Owners of Passive Houses are barely concerned with increasing energy prices. The Passive House is the world leading standard in energy-efficient construction: A Passive House requires as little as 10 percent of the energy used by typical Central European buildings – meaning an energy savings of up to 90 percent. Owners of Passive Houses are barely concerned with increasing energy prices.
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    * This "supply air heating" concept only works in [[planning:thermal_protection:integrated_thermal_protection|appropriately insulated buildings]] – that is in Passive Houses. In expert terms: The transmission and infiltration heating load must be less than 10 W/m² to make sure that the required heat can be provided by the supply air.\\    * This "supply air heating" concept only works in [[planning:thermal_protection:integrated_thermal_protection|appropriately insulated buildings]] – that is in Passive Houses. In expert terms: The transmission and infiltration heating load must be less than 10 W/m² to make sure that the required heat can be provided by the supply air.\\
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 __**The Passive House – the leading concept for**__\\ __**The Passive House – the leading concept for**__\\
basics/what_is_a_passive_house.txt · Last modified: 2022/09/25 19:35 by wfeist