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Basements

Get advice on keeping your basement dry, maintained, and mold-free, plus ideas for renovating your space.

Overview
How To & DIY
Ideas & Inspiration
Video

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

S24 E13: Ross Trethewey helps install a solar-assisted heat pump water heater
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Heat Pump Water Heater for Cold Climates

Energy efficiency is always a priority when it comes to household appliances, and building engineer Ross Trethewey shows us how solar-assisted heat pump water heaters are making waves.

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S24 E10: Mark McCullough helps to replace a basement window well
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How to Replace a Window Well

Mason Mark McCullough helps a homeowner remove and replace the window wells protecting her basement windows.

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S23 E7: Richard Trethewey installs a sump pump
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How to Install a Sump Pump

A homeowner’s basement had water issues. This Old House plumbing and heating expert Richard Trethewey helped solve the problem, installing a sump pump in the corner to keep the basement dry.

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2037_basements
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Fixing a Damp Basement: Solutions for a Dry Home

Plumbing and heating expert Richard Trethewey teaches Kevin O’Connor what he needs to know about handling wet basements.

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