Sustainable Technology Institute

Sustainable Technology Institute

Sustainable Technology Institute

About Us

Wil Caton

Wil is a long time sustainable construction and energy efficiency expert and is a certified BPI Building Analyst. Wil is the co-owner of the Sustainable Technology Institute. His experience led him into the role of being the Institute’s resident Solar Photovoltaic expert and instructor.The Sustainable Technology Institute (STI) is a nonprofit organization dedicated to advancing sustainable technology solutions for the environment, business, and society. The STI offers a variety of courses and workshops related to sustainable technology, including Sailpoint class.

Zak Dowell

Zak holds a Dual Master of Science degree in Technology with concentrations in Building Science and Environmental Design. He holds a VA Class A license, and has been adding sustainable design elements to his work for many years.

About Us

STI performs consultation and design/build in the sustainable home building field as well as a variety of workforce training classes are offered in the fields of energy auditing, renewable energy, and urban gardening and aquaponics.  STI prides itself in its holistic view of sustainable energy training and urban revitalization



Sustainable Technology Institute offers turnkey solar energy systems to Central VA with the best solar prices in town and the best components available. Just let us give you a quote and see how much money we can save you.

Home Construction

STI is Central Virginia’s premier sustainable home builder. We handle planning, design and build of your new home. Call us to discuss the many options we have to achieve your goals.

Consulting & Research

With the emergence of energy-related tax incentives, there are many who want an expert to help steer them towards choosing the right path in their pursuit of sustainability. This may involve designing your next home to be energy efficient, or perhaps your existing home needs to be weatherized or upgraded with passive solar features.

“What our Clients are Saying”

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Richmond Time Lapse Photography - “My photography business was in need of a very specialized solar charging system and Sustainable Technology Institute really came through for me. I perform time lapse photography and provide my clients with advertising videos that show their projects from start to finish. As my business grew, I came to need

May 26, 2016

Recent News

South Face Homes

South Face Homes is the sustainable home building division of Sustainable Technology Institute. We do things a little different than you’re used to. Take a look at what you can expect from a custom home from South Face Homes.  Home Plan: – Craftsman Style, 4 Bedrooms, 2 ½ Baths Lot Clearing The…

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Research: Renewable Energy through Anaerobic Digestion

Research: Renewable Energy through Anaerobic Digestion

STI has recently started a research experiment with a two stage anaerobic digester. We constructed the digester out of two 58 gallon poly barrels and we are currently using a small domestic water heater to maintain the optimum temperature of 95 degrees for methanogenic bacteria formation. So…

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Solar Powered Coffee Bike Design at VCU

Here in Richmond Virginia, there are a lot of folks who use biking as their main form of transportation. Sustainable Technology Institute (STI) loves opportunities where we can collaborate with like-minded people trying to add solar energy to unique projects. One such project came to us from a…

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