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How to Replace a Bathroom Faucet

Need to update your bathroom sink faucet? Watch this DIY Smarts as Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how to replace a bathroom faucet.

Richard Trethewey and Kevin O’Connor work on a garbage disposal
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How to Fix a Garbage Disposal

This Old House plumbing and heating expert Richard Trethewey shows how to fix a badly jammed garbage disposal.

S20 E18, Richard Trethewey talks about becoming a plumber
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How Richard Trethewey Became a Plumber

This Old House Plumbing and Heating Expert Richard Trethewey tells all about how his career as a plumber started.

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How a Frozen Pipe Bursts

In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how and why frozen pipes burst.

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How Plumbing Technology is Advancing

During a visit to IBS 2019, Richard Trethewey gave our Pro2Pro editor a lesson in connecting pex tubing, then explored a new water-monitoring device and high-tech training tool

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Testing the Newest Low-consumption Toilets

Ask This Old House plumbing and heating expert Richard Trethewey travels to a plumbing facility in New Jersey to learn about advances in toilet engineering that help save water

S20 E6, Richard Trethewey explains how to fit copper pipes
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How to Fit Copper Pipes

Plumbing & Heating Expert Richard Tretheway shows host Kevin O’Connor several methods for making solid, watertight connections, both with solder and without.

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How to Replace a Tank Water Heater

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace a tank water heater

Hot water heating system
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How to Install an Air Valve for a Hot Water Heating System

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey prevents trapped air from stopping a heating system cold in its tracks.

Creating zones in hot water heating system
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How to Create Zones in a Hot Water Heating System

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows how to share the warmth by installing zone valves.

S21 E3, Richard Trethewey discusses bottle traps with Kevin O’Connor
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Understanding Bottle Traps

Plumbing and heating expert Richard Trethewey shows host Kevin O’Connor how to handle sink drains in tight places.

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How a Plumbing Trap Can Lose Water

Ask This Old House plumbing and heating expert Richard Trethewey explains several reasons why a trap may be losing water

S21 E1, Richard Trethewey shows Kevin O’Connor how a water heater fails
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3 Reasons Water Heaters Fail

Plumbing and heating expert Richard Trethewey gives host Kevin O’Connor an inside look at why a water heater fails.

Toilet with a nearby plunger
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How to Unclog a Toilet

A clogged toilet is one of the most common and stressful problems people have to deal with in their homes. If not cleared swiftly and properly, it can become a big mess, possibly spilling onto the bathroom floor and leaking through to the rooms below. In this video, This Old House plumbing and heating contractor Richard Trethewey explains how to unclog a toilet.

Diagnosing leak in steam boiler
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How to Diagnose Leaks in a Steam Boiler

Ask This Old House plumbing and heating expert Richard Trethewey helps locate the leak on a steam boiler that is losing water

Diagnosing a humid air conditioner at home
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How to Diagnose and Repair a Humid Air Conditioner

Ask This Old House plumbing and heating expert Richard Trethewey travels to Orlando to diagnose and repair an HVAC system that is creating way too much humidity

S20 E31, Richard Trethewey installs a water filter
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How to Install a Reverse Osmosis Water Filter

This Old House plumbing and heating expert Richard Trethewey removes the impurities, VOCs, and excess minerals from water with a simple reverse osmosis water filter system.

S20 E37, Richard Trethewey gives tips to Kevin O’Connor on keeping basements dry
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Easy Solutions for a Damp Basement

Plumbing and heating expert Richard Trethewey teaches Kevin O’Connor what he needs to know about handling wet basements.

Richard Trethewey installs a new waterproof shower floor
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How to Replace a Shower Pan

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey installs a new waterproof shower floor.

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How to Install an Electric Heat Pump Water Heater

Ask This Old House plumbing and heating expert Richard Trethewey travels to Celebration, Florida to help a homeowner select and install the right electric water heater

S20 E33, Richard and Ross Trethewey explain air flow efficiency to Kevin O’Connor
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Understanding Air Flow in Your House

Plumbing and heating expert Richard Trethewey and home technology expert Ross Trethewey explain everything you need to know about balancing airflow within a home.

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How to Install a Garbage Disposal

Garbage disposals are a helpful tool to help prevent pesky kitchen odors, as well as stop food from going down the pipes and causing plumbing issues. Watch as Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how to install a garbage disposal in your kitchen.

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How to Choose Water Saving Plumbing Fixtures

Ask This Old House plumbing and heating expert Richard Trethewey and host Kevin O’Connor discuss the different ways to identify water-saving plumbing fixtures

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How to Install a Water Filter Under the Sink

Ask This Old House plumbing and heating expert Richard Trethewey travels to Los Angeles to update a water filter to preserve the look of a retro faucet

S20 E25, Richard Trethewey fixes a wobbly toilet and a stuck faucet handle
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Common Plumbing Issues: How to Fix a Wobbly Toilet and Stuck Faucet Handle

This Old House plumbing and heating expert Richard Trethewey helps a homeowner handle two very common plumbing issues.

S2 E12, Richard Trethewey in a bathtub
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How to Repair a Shower Valve in a Tile Wall

This Old House plumbing and heating expert Richard Trethewey and tile expert Joe Ferrante team up to repair a leaky shower valve installation

S5 E14, Richard Trethewey shows how to unclog various drains
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How to Clear a Clogged Drain

In this how-to video, This Old House shows various ways to clear household clogs

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How to Add a Heat Pump to a Water Heater

This Old House plumbing and heating expert Richard Trethewey makes heating water more efficient by installing a heat pump

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How to Repair a Sewer Pipe Under a Concrete Slab

This Old House plumbing and heating expert Richard Trethewey shows how to rescue a buried, root-clogged pipe, without digging up the whole site

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How to Install a Dry Well for a Sump Pump

This Old House landscape contractor Roger Cook shares a permanent way to collect and disperse sump-pump water

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How to Install a GPS-Enabled Smart Thermostat

Ask This Old House plumbing and heating contractor Richard Trethewey installs a thermostat that can be programmed automatically from a smart phone

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How to Snake a Clogged Drain

Ask This Old House plumbing and heating expert Richard Trethewey shows how to clear a stopped bathtub or shower drain