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E23 | AC Airflow Issue, Shellac Removal | Ask This Old House

Season 23 Episode 23 | 23m 42s

Ross Trethewey troubleshoots a Miami home's hot and cold spots. He conducts a home performance assessment to check airflow and offer solutions; AskTOH highlights metal fabricator, Shelby Barnhart, who worked her way up from a blacksmith apprentice to starting her own successful business; Mauro Henrique demonstrates how to remove a shellac finish that was improperly applied to a wood window trim.

Aired: 05/07/25 | Expires: 05/22/25
Funding for THIS OLD HOUSE is provided by and .
Extras
Nathan installs a bathroom recessed cabinet; Mark repairs a chimney crown.
Richard installs a new gas oven; Ross meets with an expert to discuss solar EV chargers.
Mauro paints a brick fireplace; Tom and Kevin build a bathtub tray.
Jenn explores wetlands; Ross demonstrates IAQ; Mauro paints a foundation.
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.
In this episode, we help two homeowners with disabilities make their homes more accessible
Tom Silva & Kevin O'Connor help Boston Marathon bombing victim Karen Rand.
In Season 14, Ask This Old House crew is hitting the road
America’s most trusted home improvement team hits the road again