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Solar panels on a roof

Solar & Alternative Energy

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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

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How to Install Solar Panels with Microinverters

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

Sneak Peek: Jamestown Solar Plan

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

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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 | Drinking Water from Thin Air

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

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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.

How to Install Home Solar Storage

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

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How to Provide Backup Power without Gas

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

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Understanding Solar Power

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

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How to Install a Home Wind Turbine

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

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How to Install Solar Panels on a Roof

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

The Scoop on Solar Power

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

Solar Hot Water

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