Los edificios Passivhaus son más saludables, más cómodos y más respetuosos con el medio ambiente
Gran parte de la energía primaría necesaria para climatizar los edificios se puede conseguir con la planificación cuidadosa y el buen diseño. Esto no es un concepto nuevo. Durante milenios se han construido los edificios para responder a los fenómenos climáticos y meteorológicos. Si ahora combinaramos las tecnologías innovadores y las energías renovables con métodos tradicionales de la construcción podríamos construir los edificios del futuro.
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La buena noticia es que el modelo Passivhaus puede marcar una enorme diferencia en la reducción de las emisiones de gases de efecto invernadero, además de ofrecer ventajas para la salud y el bienestar de los usuarios de los edificios. Los edificios tipo Passivhaus combinan el consumo bajo ‘casi nulo’ con el confort y una calidad de aire excepcional, libre de partículas contaminantes y alérgenos.
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Se habla de la palabra ‘Pasiva’ porque el objetivo de este tipo de edificación es minimizar la dependencia sobre los sistemas de climatización ‘activos’, que son más caros y menos respetuosos con el medioambiente. El éxito de Passivhaus se debe a los conceptos pasivos que combinan estrategias naturales para mantener un ambiente interior sano y confortable durante todo el año con un comsumo energético muy bajo.
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Si desea más información sobre la eficiencia energética y los edificios tipo Passivhaus póngase en contacto con nosotros. Estaremos encantados de poder ayudarle y hablar más sobre el tema. Hemos contestado algunas de sus preguntas más frecuentes a contiuanción en FAQs
FAQs
+ ¿Qué es Passivhaus?
+ ¿Cómo se diferencian los edificios tipo Passivhaus con los edificios convencionales?
+ ¿Cuales son los benificios para la salud asociados con los edificios tipo Passivhaus?
+ ¿Son más caros para construir?
+ ¿Los edificios tipo Passivhaus...siempre son casas?
+ ¿Se puede reformar una casa existente al estándar Passivhaus?
+ ¿Se puede mejorar la eficiencia energética de mi casa y a la vez ahorrar dinero en mis gastos sin apostar por el Passivhaus?
+ ¿Los edificios Passivhaus se tienen que construir con materiales sostenibles?
+ ¿Es cierto que no se pueden abrir las ventanas de una casa pasiva?
+ Se me ha dicho que las casa pasivas son totalmente herméticas. ¿No es algo negativo vivir en una casa hermética?
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+ ¿Qué es Passivhaus?
The terms 'passivhaus' and 'passive house' refer to a voluntary low-energy construction standard developed in Germany approximately 25 years ago. Although theoretically any building can claim to be a passivhaus, only those that are certified are verified by the Passivhaus Institute and confirmed as such. The Passivhaus construction concept is based on a set of identifiable criteria that a building can be measured against to achieve unparalleled comfort with very low energy consumption.
+ ¿Cómo se diferencian los edificios tipo Passivhaus con los edificios convencionales?
From the outside it is difficult to spot the difference. Like conventional buildings, Passivhaus buildings can be built from pretty much anything and in any style. The key difference is how they compare on energy efficiency and construction quality Passivhaus buildings use as much as 90% less energy when compared to conventional buildings. There are other benefits too. Passivhaus buildings reach optimum levels of thermal comfort and improved indoor air quality, so if you want a healthy living environment for your family, passivhaus is a great option.
+ ¿Cuales son los benificios para la salud asociados con los edificios tipo Passivhaus?
Because passivhaus buildings filter the air they use, allergens and dangerous polluting particles can be removed to improve indoor air quality. Furthermore, passivhaus buildings are condensation free, eliminating the likelihood of damp, mildew and toxic moulds to form, which pose a significant health risk.
+ ¿Son más caros para construir?
Although initial investment costs in Passivhaus buildings are currently slightly higher than their conventional neighbours, they are more cost-effective throughout the building's lifespan due to extremely low running costs. With further development of skills, expertise and greater supply chain maturity, Passivhaus construction is becoming more cost effective all the time. Some inspiring low cost projects have already been built and more are to follow.
+ ¿Los edificios tipo Passivhaus...siempre son casas?
Although the name may suggest otherwise, the Passivhaus standard can be applied to almost any type of building, not just houses. There are many beautiful and inspiring schools, offices, hotels and mass housing developments all around the world built to Passivhaus Standards.
+ ¿Se puede reformar una casa existente al estándar Passivhaus?
Yes! The Passivhaus Institute has a separate certification that recognises retrofitting work, which has a lower threshold than for a full Passivhaus building. It’s a great way to prepare your house for the future, by improving energy efficiency, comfort and have greater energy security. The standard is called Enerphit. For more information contact us.
+ ¿Se puede mejorar la eficiencia energética de mi casa y a la vez ahorrar dinero en mis gastos sin apostar por el Passivhaus?
There are many low cost solutions to improve energy efficiency and comfort in your home. From adding insulation to your loft, or locating and repairing draughts. Taking this initiative now will not only improve levels of comfort in your home but could improve indoor air quality and save you money on your bills.
+ Do Passivhaus buildings have to be built from sustainable materials?
Whilst we always recommend using more sustainable materials to further reduce the environmental impact of your building, you could theoretically build your passivhaus building from almost anything you like, from high impact materials like concrete to carbon sequestering materials like timber. Currently, the Passivhaus standard only relates to how the building operates, not what materials you use to build it.
+ ¿Los edificios Passivhaus se tienen que construir con materiales sostenibles?
Despite the misconception, you can open windows in a Passivhaus. In fact, it’s actually quite important to. When outdoor air temperature, humidity and air quality are right, natural ventilation is a great way to create a healthy indoor environment for free. In urban areas where air quality is poor or when outdoor air temperatures are more extreme during summer and winter, closing windows and using mechanical ventilation will allow fresh, pollutant free air to pass through the building at just the right temperature to create a healthy and comfortable indoor environment. Knowing when and how best to use natural and mechanical ventilation systems will allow you to optimise heating and cooling demands in your home.
+ Se me ha dicho que las casa pasivas son totalmente herméticas. ¿No es algo negativo vivir en una casa hermética?
As well as using natural ventilation, Passivhaus buildings use a system called Mechanical Ventilation with Heat Recovery (MVHR) to deliver fresh, filtered air from outside into each of the rooms in a controlled way. To ensure the efficiency of this system it’s important that the building is meets certain airtightness criteria, but passivhaus buildings are anything but stuffy, airtight boxes. This allows them to operate extremely efficiently with improved indoor air quality.