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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 Ask This Old House is provided by The Home Depot, Renewal By Andersen, and ChipDrop.
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Replacing vintage ceramic toothbrush and soap holders; patching a swirl ceiling crack.
Basics of mowing a lawn; how to vet a contractor; installing a concrete paver walkway.
Turning a flower vase on the lathe; upgrading a garage door opener to have smart control.
Running power to an outbuilding; basic tools for painting a room; compost versus disposal
Nathan installs top-down bottom-up shades. Jenn landscapes a steep front yard.
Painting an arch accent wall; debunking plant myths; installing a pea gravel patio.
New Orleans shutter installation; choosing a fertilizer; hardwired smoke detectors.
Sink drain maintenance; methods for testing lead-based paint; granite hillside steps.
How turf grass seed is harvested and cleaned; how to install a porch swing.
"Toys and Colors" kids help build a dress-up closet. Richard installs a garbage disposal.