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Large Luxury Home Earns LEED Platinum

Hamptons Carbon Neutral House 2

This month 37 Parkside Avenue in Southampton – the HGA House – received LEED Platinum certification with a sizable 104 points.  Sadly to say, it was built after David and Saundra Dubin’s original home was destroyed in a fire a couple years ago.  The green home is nicely done, traditional, and wired up with all sorts of green gadgetry, perhaps showing folks in the jumbo luxury market what it takes to secure LEED Platinum certification.

Hamptons Carbon Neutral House 3

The Hamptons Green Alliance boasts that HGA House is “one of the largest LEED Platinum homes on record,” according to a press release, adding that size is “what sets HGA House apart.”  It’s a 4,800 square-foot mansion that achieved a HERS Index of 25, which is impressive, many will agree.

With the means and a robust project team, you can build a large green like this that’s net-zero energy on an annual basis.  The owners incorporated thin-film solar on the south-facing roof; solar photovoltaics on the east- and west-facing roofs; solar thermal for domestic hot water, pool water, and primary heating; an open-loop, two-stage, variable-speed geothermal system; and a high-efficiency wood-burning fireplace providing 50,000 BTU per hour.

Without the means, perhaps an alternative strategy to net-zero energy would be to build smaller, use less materials, insulate properly, seal everything up, and use on-site green technology to produce enough energy to cover what you can’t minimize through design and construction.

But, to be fair, the HGA House did some of these things.  It has high-efficiency windows, spray foam insulation, LED lighting, home energy monitoring, Energy Star appliances, and overhangs to maximize solar gain in the winter and shading in the summer.  The Dubins enlisted the help of Telemark as general contractor and Richard Stott and Craig Lee as the architects.

HGA House also has low-flow fixtures, dual-flush toilets, and a water storage tank that holds water harvested from gutters for irrigation.

The home was awarded a declaration of carbon negativity in the form of a Phase I Embodied Carbon Negative certification showing that the construction of the home reduced more carbon emissions than carbon emitted.  Certainly, the owners and project team put a lot of effort into HGA House showing folks in the region what it takes to build greener.

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Hamptons Carbon Neutral House 1

[+] More background and construction detail of HGA House.

Photos: Richard F. Stott, AIA, LEED AP. 



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