Proud Green Home exceeds performance goals (video)

Proud Green Home exceeds performance goals (video)

The Proud Green Home at Serenbe was designed to be a net zero home that produces more energy that it uses. But recent tests show it should actually produce more energy than it needs.

Architects Chris and Jodi Laumer-Giddens of LG Squared Inc. conducted blower door tests on the finished home in the Serenbe community near Atlanta.

Earlier tests in the pre-drywall phase showed that the house was about 90 percent tighterthan a home built to the 2009 Georgia building code, based on the International Energy Conservation Code. The home scored a 0.72 ach50 on the blower door test.

That was a testament to the building skills and dedication of Luis Imery of The Imery Group and the subcontractors such as Vis Viva that executed the design to the highest levels.

Now the finished home achieved a 0.23 ach50, Laumer-Giddens wrote on his blog. That translates to a HERS Index of -2. That's right, negative 2. That means the home is projected to produce more energy than the home will use, depending on the homeowner's behavior.

"This is 1/3 of Passive House maximum and 35 times tighter than the current energy code, the 2009 IECC," Laumer-Giddens wrote.

Also, the ductwork was found to have a leakage rate of 4.8 percent.

See Chris Laumer Giddens explain the pre-drywall blower door test:

 

The home will be seeking certifications in the following:

  • Earthcraft House Platinum
  • Energy Star, version 3.0
  • EPA Indoor AirPlus
  • EPA WaterSense

Key green building science techniques incorporated into the home:

The home in Serenbe will be open for public tours beginning Saturday, Aug. 17.

Read more about the Proud Green Home at Serenbe.


Topics: Building Green, Certification / LEED, Energy Audits, GREAT GREEN HOMES, Photovoltaic / Solar Panels, Proud Green Home at Serenbe, Sustainable Communities, WaterSense

Companies: ProudGreenHome.com, Southface Energy Institute, Kohler, BASF Corporation, PPG Pittsburgh Paints, Kleendeck, LLC, Energy Star, Energy Star, Serenbe Sustainable Community, LG Squared, Inc., The Imery Group, Benjamin Obdyke, Zehnder America, Huber Engineered Woods, Wood-Mode, Inc.


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