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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.
Extras
Nathan installs a bathroom recessed cabinet; Mark repairs a chimney crown.
Tom builds, paints, and installs a Little Free Library for an elementary school.
Richard replaces a water heater; Tom assesses woodpecker damage; Mauro paints tile.
America’s most trusted home improvement team hits the road again
In Season 14, Ask This Old House crew is hitting the road
Tom Silva & Kevin O'Connor help Boston Marathon bombing victim Karen Rand.
In this episode, we help two homeowners with disabilities make their homes more accessible
To celebrate 300 episodes, the guys look back at some of their best moments.
To celebrate 300 episodes, the guys look at some goofy moments from the past 12 years.
All
  • All
  • Season 23 | Ask This Old House
  • S22 Ask This Old House
  • S21 Ask This Old House
  • Season 20 - Ask This Old House
  • Ask This Old House
  • Ask This Old House Season 18
  • Ask This Old House
  • Ask This Old House
  • Ask This Old House Season 15
  • Ask This Old House Season 14
  • Ask This Old House Season 13
Detroit urban pollinator gardens; impact drivers vs drills; cobblestone driveway apron.
Adding a new zone to an irrigation system; PEX vs. copper; repairing stripped screw holes.
Basics of dethatching and aerating; investigating a high electrical bill; routers 101.
How to diagnose and treat a diseased pine tree; Nathan performs a new homeowner checklist.
Jenn, Mark, Nathan, and Richard team up to build a cedar outdoor shower in Cape Cod.
Mauro paints stair treads; the team highlights some tools; Heath installs wall sconces.
Ross learns about 3D printed houses; spotlighting Aaron Smith; Tom and Kevin turn a bowl.
Mauro paints wainscoting; what to know about home fuel options; Nathan builds a sandbox.
Jenn learns about bees; apps the ATOH team is using; Tom and Kevin build a step stool.
Richard helps convert a wood burning fireplace to gas; Nathan installs wainscoting.