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Solar & Alternative Energy How To & DIY

Improve the value of your home by discovering our solar & alternative energy step-by-step tips & ideas.

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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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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

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 Perform a Whole-House Energy Audit

This Old House host Kevin O'Connor and a specialist perform a whole-house energy audit

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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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How to Install Solar Panels on a Roof

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