The BEST episodes of Ask This Old House season 15

Every episode of Ask This Old House season 15, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Ask This Old House season 15!

The crew at This Old House take on some pretty big projects, which means they can only work on one or two houses a year. But homeowners have a virtual truckload of questions on smaller projects, and the TOH crew is ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by viewers - and the crew even makes house calls!

Last Updated: 4/30/2024Network: PBSStatus: Continuing
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Alaska Generator, Wood Floor
star
8.78
9 votes

#1 - Alaska Generator, Wood Floor

Season 15 - Episode 22 - Aired 5/6/2017

Hooking up a portable generator capable of powering an entire house; and repairing a poorly installed piece of wood floor nosing. Also: an inside look at dishwasher cycles.

Kentucky Lawn, Chandelier
star
8.75
12 votes

#2 - Kentucky Lawn, Chandelier

Season 15 - Episode 17 - Aired 4/1/2017

Tips for lawn care; and a jigsaw tutorial. Also: installing a motorized lift for a chandelier.

Clogged Pipe, Convection Heat
star
8.64
11 votes

#3 - Clogged Pipe, Convection Heat

Season 15 - Episode 23 - Aired 5/13/2017

A clogged drain is fixed; and an electric convection heater is installed in a chilly bathroom. Also: a masking primer that leaves clean lines on a window.

Wood Shop, Wireless Switch
star
8.55
11 votes

#4 - Wood Shop, Wireless Switch

Season 15 - Episode 10 - Aired 1/14/2017

A woodworking shop is created in a garage; and a wireless light switch is installed. Also: plumbing's memory lane.

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Build It, Lighting, Mousetrap
star
8.50
12 votes

#5 - Build It, Lighting, Mousetrap

Season 15 - Episode 16 - Aired 2/25/2017

A cutting board is made from scrap heart pine; an overly bright room is recast with LEDs; and mice-preventive measures are discussed.

Water Heat, Panels, Astronaut
star
8.33
6 votes

#6 - Water Heat, Panels, Astronaut

Season 15 - Episode 15 - Aired 2/18/2017

Solving a hot water problem; and sprucing up a dining room. Also: a former NASA astronaut talks tools.

Build It, Cable Lighting
star
8.33
15 votes

#7 - Build It, Cable Lighting

Season 15 - Episode 20 - Aired 4/22/2017

A home message center is built; and cable-powered fixtures are installed. Also: the importance of carbon monoxide detectors.

Water Heater, Storm Door
star
8.31
13 votes

#8 - Water Heater, Storm Door

Season 15 - Episode 19 - Aired 4/15/2017

A house is made more energy efficient; and a hybrid water heater is replaced. Also: voice-recognition technology.

Passage Set, Landscape
star
8.27
11 votes

#9 - Passage Set, Landscape

Season 15 - Episode 18 - Aired 4/8/2017

An historic plan is used to revive a back yard; and an inactive door handle is replaced with a passage set. Also: the evolution of plumbing.

Hawaii Makes 50
star
8.27
11 votes

#10 - Hawaii Makes 50

Season 15 - Episode 26 - Aired 6/3/2017

In Hawaii, a unique keepsake box is built from island materials; storing solar energy is explored; and an organic garden is planted.

Rain Garden, Cabinet Hardware
star
8.25
4 votes

#11 - Rain Garden, Cabinet Hardware

Season 15 - Episode 25 - Aired 5/27/2017

A rain garden is planted to keep runoff and waste out of marshlands; and a dim bedroom receives new overhead lighting. Also: installing cabinet hardware accurately and consistently.

Fire Prevention, Strainer
star
8.22
9 votes

#12 - Fire Prevention, Strainer

Season 15 - Episode 2 - Aired 10/8/2016

Kevin visits Chicago to explore the dangers of home fires and ways to stay safe. Scott shows off a portable generator that doesn’t run on gas. Richard finds a rusted sink strainer in the kitchen. And the guys ask, “What is it?”

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Future House, Nick Offerman
star
8.22
9 votes

#13 - Future House, Nick Offerman

Season 15 - Episode 14 - Aired 2/11/2017

A tour of comedian Nick Offerman's woodworking shop. Also: measuring a home's energy consumption; and making a dish soap blunder.

Water Heater, Home Orchard
star
8.21
14 votes

#14 - Water Heater, Home Orchard

Season 15 - Episode 4 - Aired 10/22/2016

Richard replaces a tank water heater with a more efficient model. Tom gives tips on circular saws. Richard replaces a tank water heater with a more efficient model. Roger shows a homeowner how to start her own orchard. Tom gives tips on circular saws.

Watch Now:Apple TV
Water Filter, Fire Pit, Wood
star
8.15
13 votes

#15 - Water Filter, Fire Pit, Wood

Season 15 - Episode 21 - Aired 4/29/2017

A whole house water filter is installed; and a patio and granite fire pit are built. Also: the differences between soft and hard wood.

HVAC Zoning, Plaster Patch
star
8.14
14 votes

#16 - HVAC Zoning, Plaster Patch

Season 15 - Episode 6 - Aired 11/5/2016

An HVAC innovator demonstrates a new technology that could change the way homes are heated and cooled. Also using plaster to patch drywall.

Watch Now:Apple TV
Bookshelf, Foundation Plants
star
8.11
9 votes

#17 - Bookshelf, Foundation Plants

Season 15 - Episode 3 - Aired 10/15/2016

Landscape designer Jenn Nawada turns wild foundation plantings into an enviable front garden.

Watch Now:Apple TV
Reclaimed Bench, Robotic Wall
star
8.07
14 votes

#18 - Reclaimed Bench, Robotic Wall

Season 15 - Episode 7 - Aired 11/12/2016

A robotic wall is used to furnish a micro-apartment; and a reclaimed piece of pine is turned into a stylish bench.

Watch Now:Apple TV
Bluestone, Mead, Wire Splices
star
8.00
12 votes

#19 - Bluestone, Mead, Wire Splices

Season 15 - Episode 11 - Aired 1/21/2017

A rundown walkway is revitalized with bluestone; and wire connections are discussed. Also: a lesson in creating mead.

Watch Now:Apple TV
Rooftop Garden, Stains, Shed
star
8.00
12 votes

#20 - Rooftop Garden, Stains, Shed

Season 15 - Episode 13 - Aired 2/4/2017

Rooftop and small-space gardening. Also: bringing power to an outside storage space; and getting rid of ceiling stains.

Watch Now:Apple TV
Radiator, Saws, Garage Lights
star
7.94
16 votes

#21 - Radiator, Saws, Garage Lights

Season 15 - Episode 12 - Aired 1/28/2017

Jenn shares an environmentally safe way to keep walkways safe. Tom gives a tutorial on hand saws. Richard diagnoses a hot water radiator problem. The guys ask "What is it?" Scott installs LED lights.

Watch Now:Apple TV
Laundry, 3-Way Switch, Saw
star
7.93
15 votes

#22 - Laundry, 3-Way Switch, Saw

Season 15 - Episode 8 - Aired 11/19/2016

An efficient washer and dryer is picked; and a problem with a three-way switch is fixed. Also: tips on table saw safety. Richard helps a couple pick an efficient washer and dryer. Tips on table saw safety are shared.

Watch Now:Apple TV
Microgreens, Elevator
star
7.91
11 votes

#23 - Microgreens, Elevator

Season 15 - Episode 9 - Aired 1/7/2017

Kevin helps a contractor install a home elevator for a young man with disabilities. Jenn Nawada investigates how to grow microgreens. Tom explains the best way to match historic moldings. And Richard diagnoses a problem with well water.

Watch Now:Apple TV
Build It, Future House, Surge
star
7.78
9 votes

#24 - Build It, Future House, Surge

Season 15 - Episode 24 - Aired 5/20/2017

A planter box is built with western red cedar. Also: a tablet attachment that makes 3D scans of home interiors; and the need for surge protection.

Molding Raceway, Deck Board
star
7.75
16 votes

#25 - Molding Raceway, Deck Board

Season 15 - Episode 5 - Aired 10/29/2016

A cracked deck board is replaced on a front porch. Scott breaks the mold with an outlet install. Tom skillfully replaces a cracked deck board on a front porch. Scotts break the mold with an outlet install that uses crown molding to conceal wires. Richard answers a question about blue stains in the bathtub.

Watch Now:Apple TV