Solar & Alternative Energy Videos

These This Old House videos showcase all of our solar & alternative energy projects, how-tos, and designs.

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How to Avoid Solar Panel Scams

Home technology expert Ross Trethewey teaches host Kevin O’Connor what he needs to know about solar installation plans, how to look for scams, and financing to ensure homeowners get the most for their investment.
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How Ross Trethewey Became an Engineer

This Old House home technology expert Ross Trethewey grew up in the trades (and television), but he explains that his passion drew him toward engineering.
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The Future of Solar Technology, and the Challenges Ahead

There are huge advancements ahead in solar technology, but only if the industry addresses pressing challenges. Read our guide on the future of solar technology.
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5 Things You Need to Know About Solar | This Old House: Live

Ask This Old House home technology expert Ross Trethewey breaks down the five most important things to consider before installing solar panels on a house.
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How Cool Roof Shingles Work

Solar reflective roof shingles are an innovative technology that can lower your heating and cooling costs and be better for the environment.
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How To Protect Solar Panels from Pests

Ask This Old House home technology expert Ross Trethewey explains the culprit behind damaged solar panels and how to prevent future damage.
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Future House | Robotic Flower Solar Panels

This groundbreaking solar panel system, designed to mimic a sunflower, adds a charming and intelligent aspect to your energy savings.
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How To Install Solar Panels With Microinverters

Solar panels with microinverters are the ideal way to harness the sun's energy, boosting solar power to be safer and more eco-friendly.
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Future House | Net Zero Neighborhood

Ask This Old House home technology expert Ross Trethewey visits a community that plans to have all net zero energy capable housing
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Future House | Living Off the Grid Comfortably

Ask This Old House home technology expert Ross Trethewey visits an off-the-grid home in South Carolina that’s testing commercial HVAC equipment.
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How to Provide Backup Power without Gas

Don't get caught by surprise during a power outage - an electric generator is a great alternative option to keep the lights on during a storm.
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Understanding Solar Power

Thinking about installing solar panels on your house? Watch as This Old House plumbing and heating expert Richard Trethewey explains the complexities of modern solar-power systems.
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How to Install a Home Wind Turbine

Do you live in the perfect place for a wind turbine? Add this renewable energy feature to your lot for an eco-friendly way to save money.
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What Germany Can Teach Us About Home Energy

Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
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Comprehensive Guide to Installing Solar Panels on a Roof

Energy expert Ross Trethewey and a professional solar installer show you how to capture and convert the sun's energy into valuable savings.