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design strategies + innovative technologies that promote a sustainable built environment
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Historic modern house renovated to Passivhaus standard

Historic modern house renovated to Passivhaus standard | sustainable architecture | Scoop.it

A mantra here is that "the greenest building is the one already standing." There have been far too many posts about the loss of yet another Paul Rudolph houseor the razing of yet another brutalist classic. Often it is claimed that modern buildings are energy sinkholes and are impossible to modernize.

Then there is the Williams-Levant house, built by architect and former Frank Lloyd Wright employee Barry Byrne in 1934 for the pianist/ comedian Oscar Levant in Westport, Connecticut. It not only has been saved and modernized, but it actually has been renovated to Passivhaus standards, no easy feat, by Doug Mcdonald of Mudagreen.com, with Ken Levenson and Gregory Duncan as Passive House consultant...


The original Passivhaus standard was designed for new construction, with siting and sun angles being an important consideration. You can't do much about that in a renovation, so a special standard, EnerPHit, was developed by the German Passivhaus Institute. It calls for a reduction in thermal bridges, improved air tightness, high quality windows and a LOT of insulation, resulting in energy savings of between 75 and 90%...


Read the complete article for more on the strategies employed in the modernization of this historic structure.

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John Lasschuit ®™'s comment, March 8, 2013 2:22 PM
Great!
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Actively Passive - 1st building in New York region to meet tough Passivhaus energy standards

Actively Passive - 1st building in New York region to meet tough Passivhaus energy standards | sustainable architecture | Scoop.it

This artist studio in the town of Orient, Long Island is the first structure in the New York metropolitan region, and one of about a dozen in the United States, to be meet the stringent environmental standards of the Passivhaus Institute, based in Darmstadt, Germany.

 With its rough-hewn dark brown wood cladding, it uses 90 percent less heating energy than a typical house. Compare that with the average house built to the LEED rating system: Studies show that LEED-certified homes generally save less than 25 percent in heating energy over typical U.S. construction.

 

 Lower energy bills are only one of the selling points of Passivhaus, or Passive House, construction, which is becoming widespread in German speaking countries and Scandinavia. “The principal reason that people get these houses in Europe is that they are so incredibly comfortable,” says William Ryall, of Ryall Porter Sheridan Architects. “You have fresh air and humidity control all of the time and because of all the insulation, they are extraordinarily quiet in urban settings,” says Ryall...

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Andrew Michler Ignatov Architects’ Super Efficient Solar Equinox Passivhaus Tracks the Sun

Andrew Michler Ignatov Architects’ Super Efficient Solar Equinox Passivhaus Tracks the Sun | sustainable architecture | Scoop.it
It can be argued that great architectural design is about relationships - light, land, human, and environmental needs all must be aligned for a project to excel. Ignatov Architects’ Equinox House answers all these needs with a celestial vision and Passive House performance.

The home is deeply integrated with its site near the shore and close to the town Kavarna in Bulgaria. A sloped window set to the angle of the summer solstice transforms the home's interior into a measure of the seasonal waxing and waning of the sun. This facade also dramatically improves the performance of the house with huge windows overlooking the Black Sea...

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E+ Green Home by Unsangdong Architects | passive house design

E+ Green Home by Unsangdong Architects | passive house design | sustainable architecture | Scoop.it

Energy Plus House by Unsangdong Architects creates a new type of energy-producing sustainable housing.
A combination of natural properties and technology, this green home incorporates all elements, such as the structural system, materials, spatial composition, landscape and lifestyle into it's passive design and optimized intelligent energy system. The result of a collaboration between UNSANGDONG Architects and Kolon Institute of Technology, the building has acquired Passive House Certificate from the Passivhaus Institut in Germany.

Read the complete article for details on Passivehaus requirements, as well as the green strategies and systems incorporated into the dynamic exterior and minimalist interior of the E+ Green Home...

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East Coast Passivhaus with a Green Roof

East Coast Passivhaus with a Green Roof | sustainable architecture | Scoop.it

As of today, the first house designed and built to the Passivhaus standard in Arlington is now on the market.  

Arlington Passivhaus was built with Neopor EPS SIPs, Intus triple-pane windows, and an exterior of fiber cement, precast concrete, and synthetic stucco (EIFS). The home has an emphasis on airtightness and energy efficiency, with a 700-square-foot green roof, contemporary interior finishes, and landscape that reduces stormwater runoff.

The interior is outfitted with Energy Star appliances, WaterSense fixtures, LED and CFL lighting, an energy recovery ventilator, a heat-pump water heater, mini-split HVAC system, zero-VOC paints and adhesives, bamboo floors, and no-added formaldehyde cabinets...

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