Roger shows lengths to consider when mowing the lawn. Richard installs an energy-saving thermostat run by a smartphone app. The guys ask,.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

In the premiere of the 15th season, Tom replaces sash balancers on an antique window. Roger and Kevin check out the benefits of a robotic lawnmower. And Richard talks about treating water with lead.

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. The guys ask, “What is it?” And Richard finds a rusted sink strainer in the kitchen.

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Tom and Kevin use store-bought stair treads to create a bookshelf in Build It. And landscape designer Jenn Nawada transforms the look of a home’s foundation by using existing plants.

Roger helps plant a home orchard using apple and pear trees. Tom shows Kevin how to choose and use a circular saw. Richard installs a new tank water heater and discusses new regulations on them.

Tom repairs a broken board on a front porch. Richard analyzes a homeowner’s green-stained shower. Scott brings more power to a bedroom and is able to conceal the wiring with crown molding.

Richard learns about a way to heat and cool a house using a new room-by-room ventilation system. The guys ask, “What is it?” And Tom explains the best ways to patch a small hole in the wall.

Ross Trethewey helps build a robotic wall that could be the key to tight spaces in urban living. Tom and Kevin use reclaimed pine heart wood to create a bench with a historic theme in Build It.

Richard travels to Seattle to help a couple choose and install laundry appliances. Tom shows Kevin new table saw technology. And Scott repairs a three-way switch.

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

Tom heads to Chicago to transform a one-car garage into a carpentry workshop. Scott installs a wireless light switch. Richard gives a history lesson on antique bath fixtures.

no info available.

Roger rips up an old, dangerous walkway to replace it with bluestone. Scott explains the best wire nuts to use for each project. Kevin gets a lesson on making mead.

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.

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Jenn learns about rooftop and small space gardens. Tom explains best practices to remove stains from plaster and dry wall. Scott powers a shed by running electricity underground from the house.

Kevin heads to LA to meet up with Nick Offerman. Ross Trethewey looks at a new device to track home energy usage. And Richard shows what happens when you use the wrong soap in the dishwasher.

Tom creates wainscoting out of base cap molding. NASA astronaut Mike Foreman visits to show off a few space tools. Richard helps a homeowner to get enough hot water for his children’s bath time.

Tom and Kevin use scrap to create an end-grain cutting board. Scott installs surface-mounted downlights. The guys ask, “What is it?” And Roger discusses the best ways to keep mice out of your house.

Scott helps a homeowner raise and lower a light with a motorized lift. Tom shows Kevin the best uses for the jigsaw and how to choose blades. Roger visits Kentucky to help a homeowner repair his lawn.

Tom installs a door knob passage set on a closet. Richard gives a history lesson about plumbing and shows off new toilet technology. Jenn uses a historic design as inspiration to revive a backyard.

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Richard revisits a homeowner to repair a water heater. Tom installs a storm door with a dog in mind. And home technology expert Ross Trethewey looks at voice-activated smart devices.

Richard describes the dangers of CO2. Tom and Kevin build a home message center. The guys ask “What Is It?” Scott replaces track lighting. Jenn walks through the inspiration for a landscape design.

Richard helps a homeowner improve her drinking water with a whole house filter. Jenn creates a backyard sanctuary with a patio and fire pit. Tom explains the differences between soft and hard wood.

Scott heads to Alaska to hook up a portable generator powering an entire house. Tom repairs a poorly installed piece of wood floor nosing. Richard gives an inside look at dishwasher cycles.

Richard uses cameras to locate a drain problem. Scott warms up a chilly bathroom, installing an electric convection heater. Mauro demonstrates a masking primer that leaves clean lines on a window.

Tom and Kevin create a planter box in Build It. Ross Trethewey features a tablet attachment that makes 3D scans of home interiors in Future House. Scott explains the need for surge protection.

Jenn plants a rain garden to keep runoff and waste out of marshlands. Scott brightens up a bedroom with new overhead lighting. Tom gives tips on installing cabinets accurately and consistently.

Tom learns how to create a unique keepsake box from island materials in Build It. Richard looks at a new way to store solar energy. Roger helps a family grow an organic garden.

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Richard visits the Grand Canyon, then helps a homeowner with a new type of water softener. Ross demonstrates a home organization app. Tom builds a shadow box using wood from a salvaged door.

Tom teaches a young fan how to build a tool box. Scott installs smart smoke and carbon monoxide detectors; Richard installs an expansion tank to fix a leaking temperature and pressure relief valve.

Tom teaches a homeowner a simple tiling technique; Richard demonstrates a wireless leak detector that prevents floods; Jenn installs a water feature that collects and reuses rainwater.

Roger reseeds a dead section of lawn to blend it in with the rest of the yard; Richard shows the basics of toilet changing; Ross visits an off-the-grid home that’s testing commercial HVAC equipment.

Richard replaces a small radiator with one that’s the correct size; Roger demonstrates the importance of sunscreen on the job site; Mason Mark McCullough teaches a homeowner how to repoint brick.

Richard breaks down the differences between water filters; Roger removes a tree that’s leaning dangerously; Tom demonstrates ways to locate studs in a wall; Scott installs a smart garage door opener.

It’s the holiday season at the AskTOH barn! Tom and Kevin build a toy box for Tom’s grandson; Kevin travels to UL to learn about preventing fires from holiday decorations; the guys exchange gifts.

Roger teaches how to care for orchids; Tom fixes an improperly hung window; Mark demonstrates how to clean brick with acid; Ross finds a solar panel that can generate drinking water from air.

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Roger shows how to repair a damaged walkway, and also how to identify what caused the damage so it can be prevented; Tom patches a chipped wood floor using a Dutchman and hand tools.

Mark tests out different tools that collect silica dust more efficiently; Richard shims a wobbly toilet; Kevin builds a wooden slice table with Jimmy Diresta, a famous maker.

Richard installs an instantaneous water heater; Tom demonstrates some techniques for cutting straight edges with a circular saw; Mark rebuilds a retaining wall stacked with the wrong material.

Richard shows Kevin the proper way to ventilate a sink; Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and pruning the current plants in the yard.

Roger installs a downspout alternative; Mauro explains the differences between various types of paintbrushes; Richard installs a vanity for homeowners; Tom shows closet storage options.

Roger tends to a lawn that was seeded in the summer and is not doing well; Richard goes over low-budget kitchen upgrades; Tom travels to San Francisco to build a stool using computer-based tools.

Richard diagnoses and repairs a water system with air in it; in Open House, Tom analyzes a staircase that is not to code; Mauro makes a house call to teach a homeowner the basics of painting a room.

The guys head to Texas in the aftermath of Hurricane Harvey to profile nonprofits working to tear down, clean out, and rebuild homes that were destroyed during the storm.

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Mark installs a metal railing using anchoring cement; in Open House, Richard weighs the pros and cons of steam heat; Tom demonstrates the correct way to replace a cracked kitchen floor tile.

Richard demonstrates solutions for replacing a water main shutoff; Jenn builds a planter out of an animal feeding trough; Mark waterproofs brick; Kevin and Jimmy DiResta’s build a sign.

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Richard discusses possible causes and solutions for a frozen air conditioner; Tom fixes an end cap on a stair railing; Ross tours a house testing out a variety of interconnected smart home devices.

Richard repairs and replaces a leaking shower valve; Roger explains safety features built into all chain saws; Kevin makes a bucket stool with Ben Uyeda, a maker best known for his online videos.

Mauro teaches a homeowner how to paint a metal door; Mark explains how to match mortar for repointing jobs; Tom teaches Austin how to make different wood joints by building simple utility boxes.

Tom installs an alternative to a traditional gutter; Ross and Richard update Kevin on a Future House technology; Jenn heads to Phoenix to recreate the desert in a homeowner’s front yard.

Mauro travels to Sacramento to show a homeowner the safe way to strip paint; Tom explains basic chiseling techniques; Richard helps a special homeowner hook up her refrigerator with an ice maker.

Mark teaches apprentice Krysten how to reface a granite fireplace; Jenn gives tips on starting an organic garden; Richard helps a homeowner replace her kitchen faucet which has a broken shutoff valve.

Tom uses multiple techniques to make a drafty door weathertight; Mauro demonstrates the most effective way to clean a paintbrush; Roger and Jenn test out a variety of battery-operated lawn tools.

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Ross visits a community that plans to have all net-zero energy housing; Richard demonstrates the uses of less common wrenches; Tom and Kevin build a console table using a maple slab with a live edge.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

no info available.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Host Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook and guest experts guide viewers through home improvement techniques by making house calls all over America.

Nathan installs a barn door; Tom compares roofing materials; Mark installs a drywell.

Mauro paints a nursery; Richard tests a new dryer; Tom and Kevin build a record stand.

Jenn plants a garden; Richard reconnects a radiator; Mark replaces a fireplace surround.

Richard installs a ductless humidifier; Ross discusses electric bills; Jenn installs a planter.

Tom repairs a built-in with hand tools; Heath Eastman installs a light in a dining room.

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Tom checks out a women’s only DIY class; Jenn plants a terraced garden.

Heath installs a light switch, Ross explores affordable geothermal drilling techniques.

Richard replaces piping; Ross discusses indoor air quality; Tom quiets a squeaky door.

Tom installs a cable railing; Nathan upgrades a door; Mauro paints vinyl shutters.

Mark restores a beehive oven; Richard repairs a toilet; Tom works with maker Jimmy DiResta.

Kevin works with maker Jenn Largesse; Jenn revives a stoop; Heath adds a fireplace insert.

Heath installs a ceiling light; Mark discusses trowels; Tom and Kevin build a storage rack.

Nathan tightens a railing; Mauro strips paint off hardware; Richard upgrades a thermostat.

no info available.

no info available.

Richard replaces a shower valve; Nathan refinishes stair treads; Tom cleans off a roof.

Jenn installs a unique kind of indoor garden for a homeowner to grow vegetables year-round; Richard demonstrates how and why frozen pipes burst; Tom explains how to use a hole saw; Mark replaces a common terra cotta hearth with slate tile.

Tom teaches a young woodworker how to use power tools; Richard installs a gas lantern.

Jenn visits Washington’s Cherry Blossom Festival and plants a tree; Mark learns how Mount Rushmore was built and shows stone cutting; Nathan visits Abe Lincoln’s house then replaces mortise hardware.

Ross tests out smart lighting; Tom helps a homeowner build a custom screen door; Richard gives advice on maintaining a washing machine; Mauro shares techniques to paint old 1960s wood trim.

Kevin works with Jenn Largesse to demonstrate a technique on a trim router; Heath grounds an outlet; Mauro explains paint rollers and demonstrates rolling techniques; Mark replaces fireplace doors.

Richard helps a homeowner replace components of his pedestal sink; Heath discusses bathroom vent fans; the team shares home inspection nightmares; Tom explains how to clean dirty tile grout.

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Mark helps a couple install a concrete paver patio; Jenn discusses the common elements she includes in outdoor kitchen designs; Tom and Kevin build a combination bench/shoe rack out of fir decking.

Tom explains the architecture, installation, and maintenance of white cedar shingles; Richard repairs a hose spigot; Jenn builds and plants a self-watering vegetable garden.

Richard tests a faucet; Mark installs a mantel; Ross and Mauro discuss why and how to remove a cigarette smell from a home; Heath connects 4 separate switches that control 6 lights in the same room.

Nathan installs bypass doors for a pantry; Richard tests different smart automatic water shutoff valves; Ross explores asphalt roof shingles that can reflect some of the suns heat.

Kevin learns how quartz countertops are manufactured and installed; Nathan explains how to hang and display a U.S. flag; Tom and Jenn split firewood; Mark installs a firepit that comes in a kit.

Nathan shows Kevin some old drywall paneling he found; Richard teaches a homeowner how to clean her shower cartridge; Tom teaches Kevin the basics of using a lathe and then they turn a bowl together.

Tom helps two homeowners build a two-level deck from start to finish.

Richard and Ross explain how to prevent major plumbing failures by demonstrating when and how plumbing pipes and connections should be replaced and how new technology can protect the overall system.

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In this special episode of Ask This Old House, Roger, Jenn and Mark explain best practices for installing or repairing a walkway; Mark helps a homeowner install a new walkway using natural stone.

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Jenn explains how various climates across the United States impact the design, care, and maintenance of different landscapes, which includes discussing USDA Hardiness Zones and native plant species.

In this special episode of Ask This Old House, Tom and Kevin explain everything you need to know about using, installing, maintaining and repairing a window.

In this special episode, we'll share some of the features we've added to homeowners' houses over the years and we'll break down the process of adding one of these to your own backyard.

In this special episode, we tell you everything you need to know about fireplaces. Kevin looks at flu liners. Richard discusses fireplace inserts. Tom builds a custom mantel. Mark replaces a hearth.

Jenn discusses Christmas trees; Richard explains what can and can't go down a garbage disposal after holiday dinners; Heath helps a homeowner safely install a variety of Christmas lights.

Nathan Gilbert helps a homeowner turn a reclaimed beam into a fireplace mantel; Richard Trethewey shows how to change a bathroom faucet; Ross Trethewey explores innovations to geothermal installations.

Heath Eastman installs landscape lights in a garden; Richard Trethewey explains how siphons work; Tom Silva organizes tools with pegboard; Mark McCullough helps a homeowner redo his walkway.

Jenn demonstrates how to clean up a garden; Ross explains how air filters can catch unwanted air impurities and demonstrates how to build a DIY one; Tom and Kevin build an Adirondack chair.

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Richard replaces a weird shower valve with a conventional pressure balanced one; Mauro repaints a radiator cover with lead paint on it; Tom explains how to identify and remove load bearing walls.

Richard explains how a mini split unit is installed; Jenn explains how to identify Japanese maple trees and how to incorporate them in a landscape design; Nathan installs a butcher block countertop.

Mark learns how precast concrete steps are made and then replaces a homeowner's steps; Mauro explains how to refinish an old table; Heath helps a homeowner replace his front lamppost with a new one.

Ross explores ways that landscaping could be done automatically; Mark goes over different walkway and driveway deicers and how they might impact masonry products; Tom and Kevin build a modern bench.

Tom travels to Nashville to turn an original, exterior door into a Dutch door; Richard explains how to install a garbage disposal; Mark and Jenn reface a concrete wall with thin stone veneer.

Tom explains how different sanders work and how to sand well; Mauro shows how to use a power washer to clean siding; the team share more home inspection nightmares; Heath installs deck railing lights.

Richard moves baseboard heat from one side of a room to another; Jenn explains the basics of selecting different species of arborvitae; Tom and Kevin build an outdoor bench that doubles as a cooler.

Jenn travels to Orlando to upgrade a homeowner's irrigation system with a smart one; Heath explains a few different ways to troubleshoot flickering lights; Mark repoints a set of brick, front steps.

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Richard explains a variety of failure points in a hose spigot; Mauro demonstrates how to paint vinyl siding; Jenn explains how and why to maintain pruners; Nathan builds a custom fence gate.

Jenn explains how to care for echinaceas; Mark explains how to cut stone with a saw and chisel; Richard replaces a kitchen sink and faucet; Tom helps a homeowner wrap up a few kitchen projects.

Heath performs an electrical inspection; the team share more Home Inspection Nightmares; Tom helps two homeowners meticulously restore their antique front door using a variety of techniques.

Richard and Nathan retrofit a new dishwasher into an old kitchen; Jenn explains the uses and purposes for different types of mulch; Tom and Kevin turn a French rolling pin.

Richard installs a shutoff valve for washing machine supply hoses; Ross and Heath discuss the progression of EV chargers; Jenn discusses ornamental grasses; Nathan helps a homeowner repair her deck.

Kevin and Tom travel to Montana to set up an accessible home gym for a Navy SEAL veteran; Mauro shares how to select the right paint color; Mark updates a fireplace with a stacked stone veneer.

Nathan builds a display case to store his grandfather's U.S. flag; Heath replaces a circuit breaker; the team shares the ways their trades were affected by the COVID-19 pandemic.

Tom travels to Colorado to help a couple build a swing set; Jenn travels to Raleigh to build a self-watering vegetable garden; Mark helps a homeowner build a firepit that comes in a kit.

no info available.

Not all landscape projects require starting from scratch. In this special episode, Jenn helps a few homeowners decide which plants can stay, which should go, and which ones just need a little TLC.

Tom travels to Chicago to transform a garage into a woodworking shop; Richard travels to Akron, Ohio to install a heater for a garage workshop; Tom and Kevin build a tool storage shelf.

Kevin learns how quartz countertops are made and helps install one; Richard repairs a hot water shutoff valve in order to replace a kitchen sink faucet; Nathan upgrades kitchen cabinets to soft-close.

Richard discusses pipe soldering; Heath explains what two-prong receptacles are, why they're no longer to code, and how to replace them; Nathan and Mauro build, install, and paint deck stair railings.

Richard explains the options available for water heaters; Jenn creates a landscape that can withstand heavy pedestrian traffic; Tom and Kevin build a cutting board out of walnut, cherry, and maple.

Jenn discusses creative options for ground cover plants; Tom demonstrates different techniques for patching wall holes; Mark demonstrates how to patch brick holes; Nathan installs a new threshold.

Mauro demonstrates how to remove dried paint from a paintbrush; Tom shares the best techniques for connecting and installing tongue and groove flooring; Jenn and Nathan build a DIY ice rink.

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

no info available.

no info available.

Mark explains how bricks are made and how many different varieties there are; Richard explains how solderless connections work; Tom assesses and reshingles a shed roof with asphalt shingles.

Jenn shares how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

The entire team comes together to help Mark rebuild the chicken barn he lost to a fire. They reframe the barn, hook up new electrical wiring, connect a utility sink, and hang an exterior door.

In Tool Lab, Nathan explains the options available on drill drivers; Heath describes why and how to use a voltage tester; Mauro holds a paintbrush; Mark helps a homeowner extend her existing patio.

Tom works with a young woodworker to set up a kids' workshop in her father's garage. He helps her to build a workbench, set it up with tools and handy storage, and then they build a birdhouse.

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

In Tool Lab, Nathan explains the different table saw blade types; Ross extends WiFi service in a house; Richard replaces a faulty tub drain; the team shares their New Years' Resolutions.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

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Heath explains why finish electrical work is his favorite stage of the job; Mauro demonstrates how to repair a crack in plaster; Mark raises a drywell in a driveway that is sinking below grade.

The entire cast reflects on the twentieth anniversary of Ask This Old House. Theyll discuss how the show was made and what they think the legacy of the television program will be moving forward.

Jenn shares how she became a landscape designer; Richard and Ross explain cost-effective ways to save money on your heating bill this winter; Nathan helps a homeowner replace a vinyl kitchen floor.

Jenn and Mark show how to make a stone water fountain; In Tool Lab, Nathan breaks down miter saw blades; The team discusses the challenges they've faced dealing with ongoing supply chain issues.

Richard shares what he loves about the plumbing trade; Ross talks about smart thermostats and their features; Heath explains how to understand switch legs; Tom replaces a rotted porch column base.

Jenn visits a fourth-generation nursery to learn how shrubs are grown; The team shares cost-effective ways to seal existing windows; Tom builds a sturdy serving tray with box joints.

Nathan shows how he organizes his work truck; Richard explains different kinds of bidets; Mauro spray paints a handrail; Mark helps a homeowner replace an old, patched driveway.

Jenn Nawada explains composting; Jenn Largesse and her landscape contractor install a concrete block retaining; Tom constructs custom built-in drawers, cubbies and shelves for a front hall closet.

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Heath breaks down the basic voltages of cordless tools; Richard explains how to handle simple clogs in a bathroom sink, kitchen sink and toilet; Mark repairs a fireplace and replaces its cover.

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Tom shares how he became a general contractor; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Nathan demonstrates how to fix scratches on wood furniture; Jenn Largesse oversees the installation of a shipping container pool in her backyard; Tom shows how to re-secure a sagging fence gate.

Nathan shares how he became a carpenter and what he loves about his trade; Heath talks all about different LED lightbulbs; Richard fixes a wobbly toilet and repairs a sticky faucet handle.

Jenn Nawada suggests houseplants for areas of shade, partial shade and sun; Jenn Largesse shows how to put up an outdoor vinyl fence; Tom Silva builds a beehive out of wood.

Nathan shows how to mount a flat screen TV on a wall, Mark builds a stone birdbath, Tom repairs a Newel post damaged by a dog.

Ross shares why he became an engineer; Tom talks about different types of hammers; Richard shows how to control common plumbing emergencies; Nathan removes and replaces a garage door.

Jenn shows off different varieties of hydrangeas; Heath explains types of smoke and carbon monoxide detectors and their functions; Mauro refinishes deck railings and posts.

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Richard shows how to replace a toilet seat; Jenn Largesse builds a pergola for her backyard; Nathan repairs a century-old full mortise lockset.

Jenn talks about different types of succulents; Richard installs a reverse osmosis under-sink water filter; Tom builds a classic milk stool.

Heath shows how to use common electrical tools; Ross conducts an in-depth home energy assessment; Mauro shares one of his favorite painting tips.

Ask This Old House team members talk about their fathers as mentors; Richard and Ross explain airflow in buildings; Tom finishes a baseball bat display case.

Kevin shares how he became the host; Tom shows a trick for drawing a perfect ellipse; Heath moves a light fixture and Mauro patches the ceiling; Nathan explains the basics of finish nailers.

Heath shares why he became an electrician; Mauro shows a trick for applying caulk in gaps; Tom shows how to install crown molding around corner angles; Ross explains the future of solar at MIT.

Mauro shares why he became a painter and what he loves about his job; Jenn shows how to test soil at home; Heath adds a receptacle to a kitchen island.

Tom shares a trick to space balusters evenly; Heath shows how to drill holes in studs to run wire; Jenn Largesse builds DIY deck chairs; Richard explains ways to deal with a damp basement.

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Mark explains finishes for brick and concrete; Jenn shows how to maintain a small backyard pond; Tom builds a three-legged Demilune table.

Nathan explains the anatomy of track saws; Mark repoints an outdoor pizza oven; The Ask This Old House team comes together for a 20th Anniversary.

The team talk about why they enjoy working together; Richard cuts open a failed water heater; Jenn shares her love of educating kids about the outdoors. Then, she and Nathan build a compost bin.

Heath explains the different levels of EV chargers and their benefits; Mark shows different brick patterns; Nathan repairs a cracked china cabinet with MDF. Then, Mauro repaints it.

Heath installs a doorbell with new doorbell wiring; Richard explains bottle traps; Mark replaces a homeowner's brick driveway edging with cobblestones.

Jenn plants a native woodland garden; Mauro shows how to patch cracked or chipped porcelain; Mark explains common chimney problems and then shows how to repair a chimney step by step.

Kevin learns about restoring historic wallpaper; Heath explains GFCI receptacles; Tom helps a homeowner repair and repitch their gutters.

Mark travels to Dallas, Texas to repair sandstone steps; Ross explains how to pick a solar plan how to avoid being scammed by a solar company; Nathan helps a homeowner install an awning.

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Richard replaces a hot water tank; Heath shares safety tips for hanging electric holiday decorations; Tom explains woodpecker damage and how to repair it; Mauro paints bathroom tile.

Kevin and Tom build a Little Free Library for an elementary school; Tom recruits his daughter, Kate, to paint it; Tom and Kevin then install the library with some help from the students.

The team share jobs they might have chosen outside their trades; Mauro talks through what tools to use when removing wallpaper; Heath explains breaker trips; Nathan installs kitchen cabinet hardware.

Nathan helps a homeowner install an antique pocket door; Ross explains the technological advancements of induction stovetops; Kevin and maker Char Miller-King build a Shaker end table together.

Nathan, Heath, and Mauro help a homeowner babyproof her home room by room; Jenn talks through the maintenance of houseplants; Richard explains how septic systems work.

The Ask This Old House team partners with Rebuilding Together Boston to gather volunteers and repair a homeowner's deck, construct a new patio, and install landscape lighting and plantings.

Tom and a window restoration specialist repair an 1880s window; Mauro talks through different interior paint finishes and their uses; Jenn and Mark help a homeowner in Georgia install a firepit.

Jenn shares why she loves bringing her dog to work; Heath helps a homeowner troubleshoot a strobing dimmer switch; Ross explains the benefits of smart bath ventilation; Tom builds a DIY clothes rack.

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Nathan heads to Texas to help a mom organize her shed; Richard stresses the value of a furnace service call; Mark boosts confidence in homeowners; then, he installs a pea stone walkway.

Jenn and a specialist discuss wetlands; Ask This Old House spotlights general contractor Zack Dettmore; Ross demonstrates how IAQ testing works; Mauro paints a concrete foundation.

Mauro helps a homeowner upgrade a fireplace by painting the brick; Jenn and landscape contractor Lee Gilliam discuss landscape tool maintenance; Tom and Kevin build a bathtub tray.

Richard travels to Philadelphia to install a new gas oven and vented microwave; Jenn and Kevin head to the garden center to talk pollinator plants; Ross learns about the future of solar EV chargers.

Ross helps a homeowner with ice dams decide on how to insulate his attic; Richard shares how to do simple repairs for irrigation leaks; Mark expands a driveway by adding an asphalt parking spot.

Jenn shares her love of hiking and how it inspires her landscape designs. Then, she installs a sun and shade garden; Tom explains gutter downspouts; Mark engraves an 1800s granite post.

Jenn transforms a dried-out side yard into a full sun garden; Mark shares how to perform hardscape cleaning; Tom patches holes in a wood floor leftover from a previously removed radiator.

Richard installs a reserve tank to fill a bathtub with hot water; Mauro shares his tips for paint project clean-up; Tom and Kevin build a set of cornhole boards; The cast have a cornhole tournament.

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Richard troubleshoots a leaky shower and explains why it was a unique repair; Heath deep dives into wire gauges and the electrical load of each; Mark repairs a homeowner's flagstone entryway.

Tom helps a homeowner who's missing balusters from their Queen Anne Row staircase and heads to his workshop to replicate the spiral detailed spindles on his lathe. After, Tom installs the spindles.

Heath installs a new circuit for a breaker that trips when the dehumidifier is running; Tom demonstrates safety techniques for common table saw injuries; Richard installs an insert into a fireplace.

Nathan and Jenn brainstorm what to do with a fallen red oak tree; Nathan shows how to mill the tree; The team play a special Ask This Old House headband game; Finally, Tom and Nathan build a bar top.

Kevin O'Connor and master carpenter Norm Abram arrive at the latest project house in Newton, Massachusetts, An 1897 Colonial Revival in late Victorian Shingle transitional-style.

Host Kevin O'Connor sees the plans for a large new patio, the kitchen, plumbing and heating and the 100-year old chimney. Roger Cook cuts down the giant yews obscuring the front of the house.

Prepping the footings for new porch columns. A perc test for the new landscape plan. Shingle style review and plan. Removing a rotted red maple from the side yard with a tree crew and crane.

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