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.
Lord family
In the harsh Maine winter, this energy-conscious house produces its own heat, hot water and electricity from the sun that shines on its roof.
sda photo

all-solar residence is family's dream home

SDA designs an energy-efficient solution for a cold climate

Owners Bill and Deborah Lord had a plan to retire to the coast of Maine, and knew they wanted a solar house. Their most pressing priorities were family and a sustainable future; the house had to comfortably accommodate regular visits from their children and grandchildren.

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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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