Mini Split Maintenance Episodes

1 episode tagged with "Mini Split Maintenance"

AI illustration of a partially built concrete-block retaining wall with perforated drainage pipe in gravel, filter fabric, and masonry tools resting in warm daylight

Ask This Old House Season 23 Episode 19: Mini Split Maintenance and a Retaining Wall That Is Mostly Drainage

April 10, 2025 • 8 min read

Richard Trethewey shows what mini split upkeep actually involves: filters, cowl, coils, outdoor condenser. Mark McCullough and Jenn Nawada build a two-foot retaining wall for curb appeal. The wall is the visible win; the perforated pipe, gravel, fabric, and racked-back courses are the reason it should stay put.