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Passive House is at the Heart of the Next Wave of Sustainable Infrastructure

Transportation has been the focus, due to Tesla’s rise, but houses and commercial buildings are next

When Tesla was still just an oddball upstart, there was plenty of skepticism that they would survive, let alone change the industry and define sustainable transportation and the future of EVs. This was before Tesla’s stock price soared, even as the climate crisis has become more serious.

Although the stock market is as irrational as ever, on another level the massive rise in market cap for the once underdog sustainable energy focused company can also be seen as a vote from the general public – a vote for the transition away from fossil fuels and toward a sustainable energy future..

Fast forward to 2022 and there is an entirely different situation in the automotive and transportation industries. The entire industry is shifting, rapidly, to 100% electric vehicle production and competing for the climate conscious upwardly mobile customer base that was first identified by Tesla’s “S3XY” marketing methods and designs.

Another underdog – Passive House is ready for the next wave of climate conscious changes

Although sustainable transportation infrastructure still has a long way to go and many issues to overcome, the speed of the transition over the last decade is, nevertheless, impressive.

The next phase of the transition toward sustainable energy infrastructure as a whole, however, is clearly going to be energy generation, solar, wind, geothermal and beyond. This will include design and construction of dwellings and commercial real estate with an eye toward efficient ways to decrease the carbon footprint and create structures that have a low carbon cost (embodied carbon and green cement, use of natural materials, etc.).

Passive house, a concept first pioneered in Germany, is at the center of the coming design revolution in architecture and sustainable construction. Andreas Benzing, of A.M.Benzing Architects PLLC has been at the forefront of the New York, NY movement (as executive director of NY Passive House) as it has grown for nearly two decades and is now ready to break out.

Emphasizing the active role that passive house can play in reaching ‘peak performance’ for dwellings and commercial structures, Benzing elucidates his credo and underscores the similarities to Tesla’s higher-end approach to EV’s, now poised to spearhead a similar revolution in architecture; “We strive to better user experience and comfort, engineer to easily achieve peak performance, and maximize the durability of quality materials.”

The books below are a few that show the history and concepts behind passive house from various perspectives. Houses and buildings that have a reduced carbon footprint, while at the same time generate energy from sustainable sources are becoming feasible and all have as a foundation the passive house standard for highly efficient design.

The New Net Zero

Click photo for more about The New Net Zero

The new threshold for green building is not just low energy, it’s net-zero energy. In The New Net Zero, sustainable architect Bill Maclay charts the path for designers and builders interested in exploring green design’s new frontier net-zero-energy structures that produce as much energy as they consume and are carbon neutral.

In a nation where traditional buildings use roughly 40 percent of the total fossil energy, the interest in net-zero building is growing enormously-among both designers interested in addressing climate change and consumers interested in energy efficiency and long-term savings. Maclay, an award-winning net-zero designer whose buildings have achieved high-performance goals at affordable costs, makes the case for a net-zero future; explains net-zero building metrics, integrated design practices, and renewable energy options; and shares his lessons learned on net-zero teambuilding.

Designers and builders will find a wealth of state-of-the-art information on such considerations as air, water, and vapor barriers; embodied energy; residential and commercial net-zero standards; monitoring and commissioning; insulation options; costs; and more.

The comprehensive overview is accompanied by several case studies, which include institutional buildings, commercial projects, and residences. Both new-building and renovation projects are covered in detail. 

The New Net Zero is geared toward professionals exploring net-zero design, but also suitable for nonprofessionals seeking ideas and strategies on net-zero options that are beautiful and renewably powered.

Passive House Details

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Passive House Details introduces the concepts, principles, and design processes of building ultralow-energy buildings. The objective of this book is to provide design goals, research, analysis, systems, details, and inspiring images of some of the most energy-efficient, carbon-neutral, healthy, and satisfying buildings currently built in the region. Other topics included: heat transfer, moisture management, performance targets, and climatic zones. Illustrated with more than 375 color images, the book is a visual catalog of construction details, materials, and systems drawn from projects contributed from forty firms. Fourteen in-depth case studies demonstrate the most energy-efficient systems for foundations, walls, floors, roofs, windows, doors, and more.

The Greenest Home

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Passive is the new green. Passive Houses–well insulated, virtually airtight buildings–can decrease home heating consumption by an astounding 90 percent, making them not only an attractive choice for prospective homeowners, but also the right choice for a sustainable future. The Greenest Home showcases eighteen of the world’s most attractive Passive Houses by forward-thinking architects such as Bernheimer Architecture, Olson Kundig Architects, and Onion Flats, among many others. Each case study consists of a detailed project description, plans, and photographs. An appendix lists helpful technical information. Including a mix of new construction and retrofit projects built in a variety of site conditions, The Greenest Home is an inspiring sourcebook for architects and prospective homeowners, as well as a useful tool for students, and builders alike.

The Solar House

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Passive solar heating and passive cooling–approaches known as natural conditioning–provide comfort throughout the year by reducing, or eliminating, the need for fossil fuel. Yet while heat from sunlight and ventilation from breezes is free for the taking, few modern architects or builders really understand the principles involved.

Now Dan Chiras, author of the popular book The Natural House, brings those principles up to date for a new generation of solar enthusiasts.

The techniques required to heat and cool a building passively have been used for thousands of years. Early societies such as the Native American Anasazis and the ancient Greeks perfected designs that effectively exploited these natural processes. The Greeks considered anyone who didn’t use passive solar to heat a home to be a barbarian 

In the United States, passive solar architecture experienced a major resurgence of interest in the 1970s in response to crippling oil embargoes. With grand enthusiasm but with scant knowledge (and sometimes little common sense), architects and builders created a wide variety of solar homes. Some worked pretty well, but looked more like laboratories than houses. Others performed poorly, overheating in the summer because of excessive or misplaced windows and skylights, and growing chilly in the colder months because of insufficient thermal mass and insulation and poor siting.

In The Solar House, Dan Chiras sets the record straight on the vast potential for passive heating and cooling. Acknowledging the good intentions of misguided solar designers in the past, he highlights certain egregious–and entirely avoidable–errors. More importantly, Chiras explains in methodical detail how today’s home builders can succeed with solar designs.

Now that energy efficiency measures including higher levels of insulation and multi-layered glazing have become standard, it is easier than ever before to create a comfortable and affordable passive solar house that will provide year-round comfort in any climate.

Moreover, since modern building materials and airtight construction methods sometimes result in air-quality and even toxicity problems, Chiras explains state-of-the-art ventilation and filtering techniques that complement the ancient solar strategies of thermal mass and daylighting. Chiras also explains the new diagnostic aids available in printed worksheet or software formats, allowing readers to generate their own design schemes.

The Passivhaus Designer’s Manual

Click photo for more about The Passivhaus Designer’s Manual

Passivhaus is the fastest growing energy performance standard in the world, with almost 50,000 buildings realised to date. Applicable to both domestic and non-domestic building types, the strength of Passivhaus lies in the simplicity of the concept. As European and global energy directives move ever closer towards Zero (fossil) Energy standards, Passivhaus provides a robust ‘fabric first’ approach from which to make the next step.

The Passivhaus Designers Manual is the most comprehensive technical guide available to those wishing to design and build Passivhaus and Zero Energy Buildings. As a technical reference for architects, engineers and construction professionals The Passivhaus Designers Manual provides: 

  • State of the art guidance for anyone designing or working on a Passivhaus project;
  • In depth information on building services, including high performance ventilation systems and ultra-low energy heating and cooling systems; 
  • Holistic design guidance encompassing: daylight design, ecological materials, thermal comfort, indoor air quality and economics; 
  • Practical advice on procurement methods, project management and quality assurance;
  • Renewable energy systems suitable for Passivhaus and Zero Energy Buildings; 
  • Practical case studies from the UK, USA, and Germany amongst others;
  • Detailed worked examples to show you how it’s done and what to look out for;
  • Expert advice from 20 world renowned Passivhaus designers, architects, building physicists and engineers.

Lavishly illustrated with nearly 200 full colour illustrations, and presented by two highly experienced specialists, this is your one-stop shop for comprehensive practical information on Passivhaus and Zero Energy buildings.

The New Net Zero
Passive House Details
The Greenest Home
The Solar House
The Passivhaus Designer’s Manual

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How to Implement small yet Meaningful Changes towards Zero Waste

Above: Image by RikaC from Pixabay 

Cause and Effect of Convenience

We have all experienced how, in the hustle and bustle of everyday life, it can be very challenging to break away from convenience. When it comes to products and services, many large companies utilize fast, cheap, and easily disposable single-use containers made from plastic.

Sodas bottles are plastic, baristas serve coffee in plastic cups with plastic caps and straws, fast food restaurants prepare orders in single use wrappers with plastic containers for condiments, and the list can go on and on. These products are used and then discarded.

Single use plastic items, as the name indicates, are used only once, yet plastic breaks down extremely slow, with some forms taking hundreds of years to degrade as shown in the tweet below from the World Wildlife Fund (WWF):

Read More: Sustainable Energy is Now Essential to Rescue Economy and Planet: Earth Day 2020

Zero Waste Defined

Zero Waste as explained by Waste Management, is a philosophy that aims for resources to be reused, recycled or composted, in order to allow for very little to “zero” trash to be sent to landfills or spill into the ocean.

Clearly this issue is important, and getting more so, therefore should be considered a high priority – the reality is that huge amounts of plastic garbage does end up in the ocean and dumped in landfills. This dire state of affairs continues to jeopardize ocean and wildlife as well as our own health.

The organization Eco-Cycle Solutions urges the need for a complete change to our current system. With dwindling natural resources, a compromised ecosystem, and major changes in climate already evident today and with likely more on the way, there is no way the Earth can sustain for much longer and survive for future generations. 

The obvious need for large-scale changes at the corporate level, regarding plastic usage, is clear, but we also need to ask ourselves: what can be done on an individual scale?

Read More: “The Uninhabitable Earth”: an Apocalyptic Climate Study that Just might Shock you into Action

Small steps can lead to Big Change

Here are a few products that can be swapped-out and used instead of single and disposable use options:

  • Bamboo Toothbrush – both brush and bristles can be composted when time to replace
  • Lunchbox – making meals at home instead of eating out eliminates containers and can also be an opportunity to eat healthier
  • Water and Coffee Bottles (aluminum, glass or BPA free bottle) – can be refilled endlessly
  • Metal or Glass Straws – sturdier than the plastic counterpart and can be used over and over
  • Shopping Bags (canvas or other fabric) – can be used to carry groceries or any purchases
  • Cloth Napkins – for drying hands or wiping up around the house

“Using more sustainable products offers many benefits: saving money, eating healthier, all while creating a smaller ecological footprint in the world. While all are positive steps, most importantly, these small individual acts can ultimately help in the fight for the survival of future generations.”

While it may be impossible to free us of all waste, with effort and change, not necessarily perfection (decades of waste cannot be eliminated by a short term solution), small steps can lead to a better tomorrow.


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Scientists, here’s how to use less plastic

Above: Photo / Unsplash

Meet the researchers making science more sustainable.

The lab is quietly bustling with scientists intent on their work. One gestures to an item on her bench – a yellow container, about the size of a novel. It’s almost full to the brim with used plastic pipette tips – the disposable attachments that stop pipettes being cross-contaminated. She stares down at it, despondently. “And this is just from today.”

We’re at the Francis Crick Institute, a towering biomedical research facility in the heart of London. The scientist in question is Marta Rodriguez Martinez, a Postdoctoral Training Fellow. Every day in her lab, pipette tips, petri dishes, bottles and more are used and discarded. The scale of the waste is immense – research by the University of Exeter estimates that labs worldwide generate 5.5 million tonnes of plastic waste each year.

Newsletter: 

Alongside her research, Rodriguez Martinez doubles as a sustainability rep, tirelessly working to reduce the plastic waste her lab produces. The Crick’s sustainability team consult her about the unique behaviours of scientists. In return, she encourages colleagues to stop using unnecessary plastic and teaches them about sustainable alternatives.

It’s a difficult task, but one she feels passionate about. “We have in our heads that plastic is a one-use material, but it is not. Plastic can be autoclaved, it can be washed. Most plastics we use in the lab could be re-used as efficiently as glass.”

The Crick is taking behaviour change seriously. Alongside reps like Rodriguez Martinez, it offers sustainability workshops and waste training to employees. A pipette-tip audit is underway, which will show which products come with the lowest excess plastic. It’s also developing an interactive dashboard for teams to see how their waste compares to other labs’.

But behaviour change is only the beginning. Rodrigo Ponce-Ortuño oversees the Crick’s contract with an eco-friendly waste-management company. He points out that the journey of plastic lab equipment stretches far beyond its short service on the workbench.

Take media bottles – the plastic containers that hold nutrients to grow cells and bacteria. “It’s just glucose that goes into the bottles,” Ponce-Ortuño explains. The liquid is non-hazardous, but in his experience, recycling companies are wary of the scientific jargon on the labelling.

“If it just said sugar, it would be fine,” he says. Instead, many companies reject the waste because they don’t understand the chemistry. But, by using contractors with the right expertise, the Crick now sends all its media bottles for recycling.

For Rodriguez Martinez, this is a milestone. “I use maybe four media bottles a week, and there are 1,200 scientists here. That we can rinse them and have a contractor recycle them is a big success.”

This tactic – of building companies’ confidence in handling lab equipment – has led to other successes, too. Cooling gel packs, polystyrene boxes and the bulky pallets used to transport products are all collected for re-use. Boxes for pipette tips are also collected – after they’ve been stacked and re-used in the labs themselves.

In fact, the Crick’s labs send no waste at all to landfill. Hazardous waste is safely incinerated, but anything else that can’t be recycled goes through a process called energy-from-waste, where electricity, heat or fuel is harvested from the material as it’s disposed of.

And they’re just as keen to reduce the amount of plastic coming in. The institute recently held a green procurement fair, where suppliers had to meet a set of sustainability criteria to attend. “Normally when you buy a product, you look at the quality and the price,” says Rodriguez Martinez. “We want to add sustainability to that equation.”

The team know that change won’t happen overnight. They need to win people over with practical measures to reduce plastics – without reducing the quality of science. So the institute is discussing best practice with other laboratories, to grow the movement for low-plastic research.

“We’re trying to educate people into a more sustainable science,” says Rodriguez Martinez.

Wellcome, which publishes Mosaic, is one of the six founding partners of the Francis Crick Institute.

The lab is quietly bustling with scientists intent on their work. One gestures to an item on her bench – a yellow container, about the size of a novel. It’s almost full to the brim with used plastic pipette tips – the disposable attachments that stop pipettes being cross-contaminated. She stares down at it, despondently. “And this is just from today.”

We’re at the Francis Crick Institute, a towering biomedical research facility in the heart of London. The scientist in question is Marta Rodriguez Martinez, a Postdoctoral Training Fellow. Every day in her lab, pipette tips, petri dishes, bottles and more are used and discarded. The scale of the waste is immense – research by the University of Exeter estimates that labs worldwide generate 5.5 million tonnes of plastic waste each year. Newsletter: 

Alongside her research, Rodriguez Martinez doubles as a sustainability rep, tirelessly working to reduce the plastic waste her lab produces. The Crick’s sustainability team consult her about the unique behaviours of scientists. In return, she encourages colleagues to stop using unnecessary plastic and teaches them about sustainable alternatives.

It’s a difficult task, but one she feels passionate about. “We have in our heads that plastic is a one-use material, but it is not. Plastic can be autoclaved, it can be washed. Most plastics we use in the lab could be re-used as efficiently as glass.”

The Crick is taking behaviour change seriously. Alongside reps like Rodriguez Martinez, it offers sustainability workshops and waste training to employees. A pipette-tip audit is underway, which will show which products come with the lowest excess plastic. It’s also developing an interactive dashboard for teams to see how their waste compares to other labs’.

But behaviour change is only the beginning. Rodrigo Ponce-Ortuño oversees the Crick’s contract with an eco-friendly waste-management company. He points out that the journey of plastic lab equipment stretches far beyond its short service on the workbench.

Take media bottles – the plastic containers that hold nutrients to grow cells and bacteria. “It’s just glucose that goes into the bottles,” Ponce-Ortuño explains. The liquid is non-hazardous, but in his experience, recycling companies are wary of the scientific jargon on the labelling.

“If it just said sugar, it would be fine,” he says. Instead, many companies reject the waste because they don’t understand the chemistry. But, by using contractors with the right expertise, the Crick now sends all its media bottles for recycling.

For Rodriguez Martinez, this is a milestone. “I use maybe four media bottles a week, and there are 1,200 scientists here. That we can rinse them and have a contractor recycle them is a big success.”

This tactic – of building companies’ confidence in handling lab equipment – has led to other successes, too. Cooling gel packs, polystyrene boxes and the bulky pallets used to transport products are all collected for re-use. Boxes for pipette tips are also collected – after they’ve been stacked and re-used in the labs themselves.

In fact, the Crick’s labs send no waste at all to landfill. Hazardous waste is safely incinerated, but anything else that can’t be recycled goes through a process called energy-from-waste, where electricity, heat or fuel is harvested from the material as it’s disposed of.

And they’re just as keen to reduce the amount of plastic coming in. The institute recently held a green procurement fair, where suppliers had to meet a set of sustainability criteria to attend. “Normally when you buy a product, you look at the quality and the price,” says Rodriguez Martinez. “We want to add sustainability to that equation.”

The team know that change won’t happen overnight. They need to win people over with practical measures to reduce plastics – without reducing the quality of science. So the institute is discussing best practice with other laboratories, to grow the movement for low-plastic research.

“We’re trying to educate people into a more sustainable science,” says Rodriguez Martinez.

Wellcome, which publishes Mosaic, is one of the six founding partners of the Francis Crick Institute.

This article first appeared on Mosaic and is republished here under a Creative Commons licence (CC BY 4.0).

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Check out Lynxotic on YouTube

Find books on Music, Movies & Entertainment and many other topics at our sister site: Cherrybooks on Bookshop.org

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