Green Home Videos

These This Old House videos showcase all of our green home projects, how-tos, and designs.

3 Men looking at an indoor air quality monitor.
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Understanding Indoor Air Quality and How to Measure It

Ask This Old House home tech expert Ross Trethewey and plumbing and heating expert Richard Trethewey discuss indoor air quality.
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How to Paint a Mold-Resistant Bathroom

Ask This Old House painter Mauro Henrique paints a bathroom using a mold-resistant paint, in this edition of DIY Smarts.
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Touring Celebration, Florida

Ask This Old House plumbing and heating expert Richard Trethewey visits Celebration, Florida, a planned community south of Orlando that was built using the principles of new urbanism
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How To Install an Electronic Air Cleaner

Want to improve your indoor air quality? This Old House expert Richard Trethewey shows how to install an electric air cleaner.
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How To Get Rid of Attic Mold

This Old House general contractor Tom Silva shows DIY and professional techniques for how to get rid of attic mold.
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How to Install Radon Mitigation

An odorless gas, radon can pose serious health risks without you even realizing it. Learn how to install radon mitigation to keep you safe.
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How To Choose a Carbon Monoxide Detector

Learn how to choose the best carbon monoxide detector for your home with our guide covering key features, sensor types, and more.