Solar & Alternative Energy Videos

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.

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.

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.

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.

Solar reflective roof shingles are an innovative technology that can lower your heating and cooling costs and be better for the environment.

Ask This Old House home technology expert Ross Trethewey explains the culprit behind damaged solar panels and how to prevent future damage.

This groundbreaking solar panel system, designed to mimic a sunflower, adds a charming and intelligent aspect to your energy savings.

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

Ask This Old House home technology expert Ross Trethewey visits a community that plans to have all net zero energy capable housing

Ask This Old House home technology expert Ross Trethewey visits an off-the-grid home in South Carolina that’s testing commercial HVAC equipment.

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.

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.

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.

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