Richard installs a tankless water heater in Milwaukee; Mark rebuilds a retaining wall.

Ask TOH | Tankless Heater, Retaining Wall Ask This Old House

Premiered January 18, 2018
Ask TOH | Tankless Heater, Retaining Wall: asset-mezzanine-16x9
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Ask TOH | Tankless Heater, Retaining Wall

Richard heads to Milwaukee to install an instantaneous water heater; Tom demonstrates some techniques for cutting straight edges with a circular saw; Mark rebuilds a retaining wall that was stacked with the wrong material.

About the Program

Ask This Old House

Ask This Old House solves the steady stream of home improvement problems faced by our viewers - and we make house calls! The series features some familiar faces, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Jenn Nawada.

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