Tag: house

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This is a Passivhaus Basics blog post that gives an overview of the Passivhaus Standard. Want to watch a 2-minute overview first? Jump to the video at the bottom

The Passivhaus Standard is often referred to as “the world‘s leading standard in energy efficient design.” And usually a description of the standard includes details of the specific technical requirements. (If you are curious about the technical requirements, I cover the key elements in this post.)

The Passivhaus Standard is indeed an international, rigorous, scientific, performance standard for the design and construction of energy efficient buildings. It applies to all kinds of buildings, not just houses. However, the Passivhaus Standard is not just about the technical requirements of energy efficient design, it encompasses:

  • Comfort
  • Energy Efficiency, and
  • Quality Assurance

It is the combination of these three key aspects that make the Passivhaus Standard what it is.

What do Comfort, Energy Efficiency and Quality Assurance mean in practical terms for a house that is certified to the Passivhaus Standard?

026 What is the Passivhaus Standard
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Our baby was born early in April, just as Spring is arriving here in the northern hemisphere.

Our house isn’t a passivhaus home.

There are many reason’s why we don’t yet live in a passivhaus home, but that isn’t the subject of this blog post. Now with a new baby as well as our toddler, even more so than before, I wish we did live in a passivhaus home. I care very deeply about the comfort and health of our children. And knowing first-hand the benefits of the Passivhaus Standard, I am acutely aware of what we are missing out on.

Affordable to run, comfortable and healthy to live in, passivhaus homes are ideally suited to young families. Of course, passivhaus homes are ideally suited for all people to live in! However, young children are particularly vulnerable and in need of comfortable and healthy homes. And with the cost of bring up children, parents need a comfortable and healthy home to be affordable.

Sustainable and environmental design are often talked about in terms of the benefit for future generations. Unfortunately, despite the good intentions, this can be abstract and vague. The Passivhaus Standard, on the other hand, is a practical immediate solution that benefits the next generation, today.

The Passivhaus Standard ensures homes are comfortable, healthy and affordable to run. Passivhaus homes are of immediate benefit to next generation: our children.

024 Passivhaus for the kids
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What is the fundamental purpose of a building?

Buildings serve several needs of society – primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical division of the human habitat (a place of comfort and safety) and the outside (a place that at times may be harsh and harmful).
– Wikipedia

As you can see, comfort is fundamental to the purpose of a building. So why do we find it so hard to ensure our buildings are actually comfortable? Why does our ‘world-class’ architecture still fail to provide comfortable buildings to live, work, learn and play in? (Besides using far too much energy and emitting far too much CO2!)

The Passivhaus Standard is known as the world’s foremost building energy efficiency standard. And it is that, but it is also a comfort standard. After all, what is the point of a building being energy efficient (or low carbon for that matter) if it compromises the functionality and comfort of the people who use the building? Passivhaus buildings provide exemplary comfort for the occupants by maintaining a healthy comfortable temperature, by being quiet, by having fresh air and by being draught-free.

Comfort is a reason to Love Passivhaus!

019 Love Passivhaus Comfort
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This blog post is a review of “Passive Houses: Energy Efficient Homes” published in March 2012. Chris van Uffelen, who compiled this monograph, is a prolific author with over 50 architecture and design related titles to his name. The book surveys 56 single-family energy efficient homes from around the world that collectively

showcase the great variety of exciting and at the same time sustainable architectural solutions.

I first heard of this book when Murray Durbin mentioned it during his interview on the Home Style Green podcast. Murray and Lee Ann Durbin had found this book to be a particular inspiration when setting out to design their own residential Passive House in Auckland, New Zealand. They have written extensively about the process and you can see pictures of the completed residential Passive House on their blog.

It is a well-deserved recommendation. This book covers an enormous geographic and climatic range, and it showcases a wide variety of architectural styles and approaches to energy efficient homes.

013 Residential Passive House Design

“Passive Houses: Energy Efficient Homes” includes houses from the USA, Canada, England, Wales, Germany (as you would expect!), Austria, Switzerland, several Scandinavian countries, Australia, China, Japan and more. The author didn’t limit the choice to only certified residential Passive Houses, but instead selected inspirational energy efficient homes demonstrating a whole range of standards, all employing ‘passive’ techniques of one sort or another.

Out of the 56 homes showcased, at least 18 are certified to the European Passive House Standard and 6 to the Swiss Minergie Standard, which is very similar. Many examples meet a different standard such as the Califorina Green Building Standards Code, KfW40 (a German low energy standard), Energy Star and the UK’s Code for Sustainable Homes Code 6. There are also some certified to multiple complimentary standards. For example the Prescott Passive House in Kansas City, USA, is Passive House certified and also LEED Platinum.

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This blog post is a review of “The Passivhaus Handbook” published in October 2012. The authors wrote and compiled this practical handbook for anyone who wants to be involved in delivering ultra-low energy housing. Janet Cotterell and Adam Dadeby were the architect – client team for the Totness Passivhaus B&B, the third retrofit in the UK to be certified to the Passivhaus Standard. Following their work together on the B&B they formed Passivhaus Homes and subsequently wrote The Passivhaus Handbook.

The Passivhaus Handbook is:

…intended to provide knowledge of both the methodology and the skills needed to achieve genuinely low-energy buildings, whether new or retrofitted, that perform as intended.

While passivhaus is not just for houses, The Passivhaus Handbook really is the ‘bible’ for developing passivhaus housing, particularly if you are thinking of a self-build passivhaus. The authors give substantial background into the “how and why of passivhaus” and then hold your hand through the whole process of a project. There is valuable guidance on setting up a passivhaus project, particularly applicable to self-build passivhaus, and then key practical aspects of a passivhaus project are each given a chapter. The book wraps up with chapters on living in a passivhaus, illustrated with four case studies, and a chapter specifically about UK policy.

011 Self-build Passivhaus Handbook
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