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What are the main differences between a passive house and a traditional house?
By Louise Desmet & Serafine Dierickx
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What is a passive house?
Built for ecological and sustainable reasons
For the heating yearly 15kWh/m2 or less necessary
8 times less than a normal house
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What is the difference between traditional houses and passive houses?
A passive house reduces heat losses by better isolation
In a passive house there more attention is paid to cracks and crevices
Optimising heat gain by the use of passive energy
Guaranteed air quality through ventilation with heat
recovery
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What is the difference between traditional houses and passive houses?
A passive house reduces heat losses by better isolation
In a passive house there is paid more attention to cracks and crevices
Optimising heat gain by the use of passive energy
Guaranteed air quality through ventilation with heat
recovery
![Page 5: Built for ecological and sustainable reasons For the heating yearly 15kWh/m 2 or less necessary 8 times less than a normal house](https://reader035.vdocument.in/reader035/viewer/2022062619/5516cee8550346f0208b5e47/html5/thumbnails/5.jpg)
A passive house reduces heat losses by better insulation
PASSIVE HOUSE TRADITIONAL HOUSE
• Better isolation
• Only solar heating required
• Aren’t isolated according to the climate
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What is the difference between traditional houses and passive houses?
A passive house reduces heat losses by better insulation
Less heat losses by reducing excellent air tightness of the building
Optimising heat gain by the use of passive energy
Guaranteed air quality through ventilation with heat
recovery
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Less heat losses by reducing excellent air tightness of the building
PASSIVE HOUSE TRADITIONAL HOUSE
• Air tightness
• No heat losses By using tape or film
• Not a lot of attention to cracks and crevives
• Heat losses
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What is the difference between traditional houses and passive houses?
A passive house reduces heat losses by better insulation
Less heat losses by reducing excellent air tightness of the building
Optimising heat gain by the use of passive energy
Guaranteed air quality through ventilation with heat
recovery
![Page 9: Built for ecological and sustainable reasons For the heating yearly 15kWh/m 2 or less necessary 8 times less than a normal house](https://reader035.vdocument.in/reader035/viewer/2022062619/5516cee8550346f0208b5e47/html5/thumbnails/9.jpg)
Optimising heat gain by the use of passive energy
PASSIVE HOUSE TRADITIONAL HOUSE
• Warmth from the sun
• Superisolating glass
• Good placed awning to prevent overheating
• Warmth from electrity or gass
• Singular or double glass
• /
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What is the difference between traditional houses and passive houses?
A passive house reduces heat losses by better insulation
Less heat losses by reducing excellent air tightness of the building
Optimising heat gain by the use of passive energy
Guaranteed air quality through ventilation with heat
recovery
![Page 11: Built for ecological and sustainable reasons For the heating yearly 15kWh/m 2 or less necessary 8 times less than a normal house](https://reader035.vdocument.in/reader035/viewer/2022062619/5516cee8550346f0208b5e47/html5/thumbnails/11.jpg)
Guaranteed air quality through ventilation with heat recovery
PASSIVE HOUSE TRADITIONAL HOUSE
• Ventilation mechanicaly controlled
• In winter this way the air is preheated
• In the summer the system blows the cooled air from the soil pipe directly into the home
• Airconditioning if installed
• /
• /
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Is it possible to turn a traditional house into a passive one?
Energy efficient heating Compare different prices of energy heating
Isolation Warmth scan Isolation roof, glass and walls
Purchase a high efficiency boiler Solar water heating
Ventilate Open your window and save energy
Don’t be ignorant Avoid laziness Think about alternatives
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The cost of a traditional house
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The cost of a passive house
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The (dis)advantages of a passive house
ADVANTAGES DISADVANTAGES
+ No heating costs
+ Low emission of CO2
+ Fresh air
+ Soundproof
+ High value (real estate)
- Higher construction costs-> Because of better isolation, another balance,…
- Craftsmanship needed
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Conclusion
Passive houses cost more to built but at the end you regain your costs and it’s more ecological
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Sources
http://www.passiefhuisplatform.be/multimedia/003/ http://www.passivehouse.us/passiveHouse/PassiveHouseInfo.html http://www.motherearthnews.com/Energy-Matters/Passive-House-Intro.aspx http://www.passiefhuisplatform.be/index.php?col=welkom&doc=passiefhuis&lng=
nl http://www.passiefhuisplatform.be/index.php?col=-welkom&doc=faq&lng=nl http://www.passive-house.co.uk/passive_house.htm http
://www.leefmilieubrussel.be/uploadedFiles/Contenu_du_site/Professionnels/Formations_et_séminaires/Formation_matériaux_de_construction_(actes)/05-05-2009_EN-FutureProofedConsultance-SergeDeGeldere-PrincipeDuCradleToCradle-analyseDexemples.pdf
http://www.materialsday.be/Documents/Materialsday09_sergedegheldere_light.pdf
http://www.ond.vlaanderen.be/energie/pdf/Natuurcentrum%20Bourgoyen%20Gent.pdf
http://www.hoedoe.nl/natuur-milieu/milieu/energiebesparing/hoe-maak-ik-mijn-huis-energiezuinig