Ask This Old House

S21 E1 • 23m • HDTVG

Diagnosing why a retired water heater failed; compost bin for a net zero elementary school.

S21 E2 • 23m • HDTVG

Heath explains three levels of EV chargers; Mark weighs pros and cons of different brick patterns.

S21 E3 • 23m • HDTVG

Doorbell with new wiring; bottle traps; replacing a driveway's edging with cobblestones.

S21 E4 • 23m • HDTVG

Planting a native woodland garden; patching cracked or chipped porcelain; common chimney problems.

S21 E5 • 23m • HDTVG

Restoring wallpaper; the basics of GFCI outlets; repairing gutters over a back patio.

S21 E6 • 23m • HDTVG

Repairing sandstone steps; how to avoid being scammed by a solar company; installing an awning.

S21 E7 • 23m • HDTVG

Replacing an old 40-gallon hot water tank; assessing woodpecker damage; painting over bathroom tile.

S21 E8 • 23m • HDTVG

Building, painting and installing a Little Free Library for an elementary school.

S21 E9 • 23m • HDTVG

Installing kitchen cabinet hardware; types of wallpaper and tools to remove it.

S21 E10 • 23m • HDTVG

Installing an 1800s antique pocket door; a Shaker-style-inspired end table.

S21 E11 • 23m • HDTVG

Babyproofing a house with cabinet locks and baby gates; houseplants; how a septic system works.

S21 E12 • 23m • HDTVG

The team repairs a deck, constructs a patio and installs landscape lighting and new plantings.

S21 E13 • 23m • HDTVG

Repairing a deck; constructing a patio; installing landscape lighting and new plantings.

S21 E14 • 23m • HDTVG

Repairing an antique window; interior paint finishes; developing a landscape design for a backyard.

S21 E15 • 23m • HDTVG

Organizing a shed; importance of yearly service checks for furnaces; installing a pea stone walkway.

S21 E16 • 23m • HDTVG

Exploring wetlands; indoor air quality testing; repainting an exterior concrete foundation.

S21 E17 • 23m • HDTVG

Upgrading a fireplace; different landscape tools; building a bathtub tray out of zebrawood.

S21 E18 • 23m • HDTVG

Replacing a leaking gas oven; creating a pollinator garden at home.

S21 E19 • 23m • HDTVG

Insulating an attic; irrigation repairs; adding an asphalt parking spot.

S21 E20 • 23m • HDTVG

Planting a sun and shade garden; the importance of gutter downspouts; engraving a granite post.

S21 E21 • 23m • HDTVG

Creating a backyard entrance; how to safely clean hardscaping; patching holes in wood floors.

S21 E22 • 23m • HDTVG

Installing a reserve tank to fill a bathtub with hot water; cleaning up after painting projects.

S21 E23 • 23m • HDTVG

Repairing a leaky shower; different wire gauge sizes; repairing loose flagstone steps.

S21 E24 • 23m • HDTVG

Replicating spiral-detailed spindles for a Queen Anne Row staircase in a 1900s Queen Anne Rowhouse.

S21 E25 • 23m • HDTVG

Installing a basement circuit; table saw safety; installing a wood-burning insert.

S21 E26 • 23m • HDTVG

Milling a large piece of an old red oak; headband game; building a bar top.