Green Building Elements

Given the climate change coming to most regions of the US, this new roof idea is a great passive cooling solution worth looking at even if you don’t live in the desert regions… now.

Because, by century’s end; you might.

“Summer temperatures in Florida could rise by 10.5F, with the heat effect multiplied by decreased rainfall under the higher emissions scenario. There would be increased hurricane intensity and rising sea levels leads to loss of wetlands and coastal areas.”

“When you’re out in the desert, shade is gold. It’s the most valuable asset you have, so to make more shade was [the] strategy,” says Lloyd Russell of this house he designed to withstand both the scorching heat and the cold of the desert for a client in Southern California.

Russell’s very low carbon way to cool a home is another example of how creatively some architects are thinking out of the box and in the process creating an entirely new design vernacular - architecture for zero energy use in a carbon-constrained, hotter, wilder new world.

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If every building had a white roof, we would be able to cool the surrounding areas. That is the reasoning behind a California law about to go into effect next month requiring light reflective roofs on all new buildings. It is already the law for new flat roofs here.

Here, architect Richard Meier and his partner Michael Palladino have apparently created a design to go one further. It’s entirely white; roofs, walls, and interiors.

So this luxury design of a cool  and airy Southern California beach house is glamorous and climate friendly.

Well, no. The McMansion-sized size of the thing at  4,280-sq.-ft is not so planet friendly; because it takes more energy to heat and cool a larger space. But this house would be well suited for a ground heat exchange to passively heat and cool itself with 55 degree air cooled from 10  feet under the ground.

As architects in California get closer to 2020, they will need to think more about passive cooling and heating and zero energy houses, as that will be the law by 2020. All new building must be zero energy by then.

Incorporate solar roofing on the white roof, and this could be a zero energy house.

The blue of a solar roof would visually extend right out to the ocean. (And conceal that horrible mess of  mechanical contraptions on that roof.) White elastomeric cool roof paint under the solar panels would help cool the modules making them more efficient on hot days.

But are architects thinking about these things?

With 2020 almost upon us:  “The beams at the roof, located above the horizontal framing, express the structural rhythm and layering of components,” explains the architect. “This cadence is repeated with the joinery of the painted aluminum exterior wall panels and modular windows. The mass of the exterior plaster walls are juxtaposed to the transparent glazed facades, creating a mosaic of layered materials.”

Blah, blah, blah.

Via Digs Digs
Images: Scott Frances/Esto

It wasn’t exactly a quite hush that settled over the San Francisco’s Moscone Center for the 50th PCBC convention but the crowds and exhibitors for this annual builders convention came in about one-half of last year. Nonetheless, in this era of minimalism and slimming down the show offered an array of notable speakers and some innovative products. Now of course, with the slogan “The New Age of Innovation” we hoped for more progressive Green products and not just in a marketing sense.

On the creatively intriguing side, we walked into the Icynene Inc. display booth only knowing that they create their Icynene LD-R-50 spray foam insulation partially from Castor oil. Honestly, we didn’t exactly know the origin of Castor oil. Castor oil comes from Castor beans (not true beans from Castor plant) and don’t serve a normal food source, so not food for insulation here. Castor crops don’t require pesticides or fungicides or even water to grow and are rapidly renewable. For this insulation, they use 15 percent castor oil (and unfortunately 85 percent polyglycol, which in our eyes is like using B15 biodiesel. Fifteen percent is better than zero percent but still a long way to go. This product helps eliminate dust, pollen and contains no VOCs as it is water blown. Most traditional cellulose insulation comes from 80% newspaper (up to100% post-consumer recycled) and 20% binders and fire-retardants, commonly borax, boric acid, sulfuric acid, ammonium sulfates and/or other chemical compounds. Smell the goodness.

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At the other end of the design spectrum from the energysucking gizmology that now pervades our lives; simple tech is quietly bringing back simplicity and sustainability as a worthwhile goal for industrial design. Here’s a good example; a low tech kitchen appliance that would go well beyond a simple energy star rating for efficiency.

This practical and simple energy efficient dish washer/dish storage unit by design students Schwartz and Steiner at the Bauaus Universität Weimar is a great example of the simple tech that the world needs now.

It is a reduction of a machine to its essentials, orientated to user-needs. This dish washer builds on the movements that we already make…

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U of Kansas grad students have just completed their chic Buffalo House at Springfield in Kansas City, designed with a very elegant approach to sustainability.

We are seeing more climate conscious design in architecture: In this case; the rain screen.

A skin over the house is designed to manage and harvest occasional heavy precipitation, to provide protection from premature decay from moisture intrusion.

I like the way the rain-screen is carried up over the roof and mounted flush with the photovoltaic solar panels on the roof for a sleek look while also protecting the building.

Like a skin over the building; this Cumuru wood cladding is designed to shed rain water separately from the structure of the building. Rain screens deter rainwater intrusion into walls - by shedding most of the rain and by incorporating storage to reuse the rainwater - which you can see below the doors here.

There’s 8 other sustainable features, as well.
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The deep Butterfly Roof

The traditional gabled roof that we are all familiar with was engineered to slough off snowfall. But in an uncertain post peak oil future of possible energy shortages and water shortages, more and more houses are showing up with roof-shapes engineered to harvest their own rainwater, and support solar power generation.

This creates a butterfly roof, the opposite of the traditional gable. The very post peak oil Kangaroo House in increasingly drought ridden Australia has the same distinctive roof shape, for the same reasons: it acts as a huge funnel for rainwater, which can then be harvested.

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VisionDivision has a very innovative entry in the Design for the Children competition to design a sustainable and culturally responsible pediatric clinic in the hostile environment of the desert of East Africa. Here is what inspired their design:

Says VisionDivision; “When we saw this competition, we felt urged to create a proposal:

Insufficient water is one of the most severe problems in rural Africa. For many families it is extremely time consuming to collect and can easily start conflicts between…
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Even in a Greencentric city like Berkeley, locals and Bay Area visitors would be Green with envy when they see the just opened David Brower Center. It feels healthy just to walk through the Green down-to-the-bones building which combines advanced technology along with simple recycled materials.

When entering for their housewarming party we had a difficult time not noticing the soaring concrete walls which made us think more dot com than gallery. The fact that in creating a building with an oh- so-feathery carbon footprint (when compared to most structures) Principal Architect, Daniel Solomon included up to 70 percent slag in those walls. Read the rest of this entry »

How would you design your ultimate green home? My green home is one that incorporates Earth, Wind, and Fire!

Think of what technology might make possible in the next few decades and how we can use it to build homes that have a positive impact on the environment.

The growing awareness of the fact that buildings are responsible for 39% of our energy consumption, helps explain why green building and energy efficiency at home is one of the most pervasive trends in the construction industry — even as the economy struggles and home-building is at its lowest level in a generation.

Lets take a journey through our imagination and envision the green homes of tomorrow.

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If it works for one San Fran hotel then it must work for another. No, we’re not talking about more upscale mini bar items but Greening a hotel. In this case, the Orchard Garden Hotel’s (which garnered LEED-NC certification) sister property the Orchard Hotel just nabbed LEED-EB certification.

The Orchard represents San Francisco’s only hotel to earn this honor, the Orchard Hotel is the second hotel in California and fourth hotel in the world with this certification. The inspiration from these green hotels comes from its 85-year-old owner, Mrs. S.C. Huang, who has pushed her environmental agenda and created more environmentally safe and sustainable hotels after the untimely cancer-related deaths of three family members. Read the rest of this entry »