SDA Projects:
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  Residential Design
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  Commercial New Building
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  Commercial Rehab/Modification
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  Government & Non-profit
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  Schools & Colleges
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  Public Utilities
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  Power Systems Engineering
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  Building Integrated PV
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  Data Acquisition & Monitoring
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Steven Strong's
The Solar Electric House
Steven Strong's Classic Book: The Solar Electric House

A consumer's guide to solar home design, by the pre-eminent authority on renewable energy systems.
Tofte Cabin - Minnesota
The Tofte Cabin, Minnesota

sun, wind and water - an elemental retreat

compact cabin embodies 'small is beautiful' while achieving a zero-energy status

For this vacation retreat on the shore of Lake Superior, SDA worked cooperatively with architect Sarah Nettleton to fulfill the owner's goal of reducing the ecological impact of the building to as close to zero as possible.

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Solar comes back to the White House with SDA
Solar comes back to the White House with SDA's PV and thermal installations.

white house re-enters the age of renewables

After more than two decades, solar equipment is back at the White House, quietly heating water and generating electricity and serving as a symbol of real energy security. SDA worked with National Park Service architects to create this practical and highl

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Impact 200 House by Solar Design Associates
This innovative home introduced solar electric and
thermal technologies to a wide audience.
sda photo

all-solar house gives a vision of the sustainable future

SDA teams with an electric utility to design a solar showplace

In 1983, SDA was commissioned by a local utility, Boston Edison, to design and construct the PV-powered zero-energy `Impact 2000' House. The utility asked SDA to demonstrate of future trends in technology and environmentally responsive design that would be commonplace in twenty years.

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Boston high-rise has first grid-connected PV system in the U.S.
Boston high-rise has first grid-connected PV system in the U.S.

solar thermal - not just for individual homes

SDA engineers solar thermal for a multi-unit housing complex

Planners wanted to incorporate solar energy into this 286-unit, moderate-income housing complex near Boston. SDA recommended solar domestic water heating as the most cost-effective approach.

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photovoltaics-powered solar house North Carolina
Hot summers, cold winters....the owners of this home stay comfortable year-round with their solar electric and solar thermal sytems.

lakeside home sustains itself on sunlight

SDA crafts a zero-energy luxury home

With backgrounds in high tech, Jeff Martin and his wife Bron wanted their new home to incorporate the latest in clean, green technologies. SDA designed a solar-powered residence which obtains its heating, cooling, hot water and electricity from the sun.

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