Solar & Alternative Energy

Future House | Robotic Flower Solar Panels

Ask This Old House home technology expert Ross Trethewey sees a robotic, ground-mounted solar array that mimics a sunflower

Ask This Old House home technology expert Ross Trethewey shows host Kevin O’Connor how to install solar panels on the AskTOH workshop roof

What it takes to create a utility-bill-free lifestyle

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 smart technology expert Ross Trethewey finds a solar panel that can generate clean drinking water out of thin air

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

Ask This Old House plumbing and heating expert Richard Trethewey learns how to add storage to an existing photovoltaic array.

Ask This Old House master electrician Scott Caron shows off a battery-powered generator that is capable of being charged by solar.

This Old House plumbing and heating expert Richard Trethewey explains the complexities of today’s solar-power systems

Renewable-energy expert Ross Trethewey shows Ask This Old House host Kevin O'Connor why Texas is the ideal environment for a wind turbine

Capturing and converting the sun's energy with This Old House energy expert Ross Trethewey

You don't have to live in the Sunshine State to take advantage of renewable energy

A brilliant way to cut as much as 80 percent off your water-heating bills