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E19 | Retaining Wall, Mini Split Upkeep | Ask This Old House

Season 23 Episode 19 | 23m 42s

Richard Trethewey demonstrates how to maintain a mini split, showing how to properly clean the indoor and outdoor components to keep the unit running optimally; then, it's rubber, round, and has a waffle shaped top. The guys play What Is It; Mark McCullough and Jenn Nawada team up to help a homeowner upgrade her house's curb appeal by building a garden retaining wall.

Aired: 04/09/25 | Expires: 04/24/25
Funding for THIS OLD HOUSE is provided by The Home Depot and Renewal By Andersen.
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