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How to Install a Freezeproof Faucet

Follow this step-by-step guide to learn how to protect your exterior faucets from freezing and bursting in the winter.

S20 E31, Richard Trethewey installs a water filter

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.


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.


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


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

How to Keep Your Garbage Disposal Running Smoothly

Don’t let improper use and deferred maintenance prevent your garbage disposal from working optimally. Follow these expert tips to learn how to maintain this pulverizing powerhouse, so it stays clean and performs to its potential.

All About Heat Pump Water Heaters

Save big bucks while taking advantage of the existing heat in your home. Here’s what you need to know about heat pump water heaters.

S20 E28, Richard Trethewey discusses emergency plumbing fixes with Kevin O’Connor

Tips for Controlling Plumbing Emergencies

This Old House plumbing and heating expert Richard Trethewey explains some of the most common plumbing emergencies and how homeowners can handle them.

How Much Does Plumbing Cost? (2022 Guide)

Your home’s plumbing works hard to keep your home a comfortable and clean place to live. Usually, it’s well worth hiring a professional plumber to fix problems with pipes, drains, and fixtures.

Richard Trethewey and Kevin O’Connor work on a garbage disposal

How to Fix a Garbage Disposal

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

How Much Does a Septic Tank Installation Cost? (2022)

If you live in a rural area or are planning on building a new home in the countryside, you may need a septic system. Read this article to learn more about the process and cost of septic system installation.

S20 E25, Richard Trethewey fixes a wobbly toilet and a stuck faucet handle

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

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

The 5 Best Water Test Kit (2022 Review)

Having safe, clean water is essential for any home. In this review, the This Old House Reviews Team researched the five best water test kits on Amazon to help you find the product that’s right for you. The products included in this article are available at various local home improvement stores, local home centers, and online retailers like Amazon.

S20 E22, Richard Trethewey teaches Kevin O’Connor about unclogging drains

How to Unclog Any Drain

Plumbing and heating expert Richard Trethewey shows us every common household drain, and how to unclog them like a pro.

Well Pump Cost and Installation Guide (2022)

The well pump is an integral part of your well system, feeding water into your home for use on a daily basis. In this article, we explain the steps you need to take to repair or replace your broken well pump.

Mr. Rooter Reviews and Services

Read our Mr. Rooter review to learn about the company’s cost, services, availability, and more.

Roto-Rooter Reviews and Services

In this Roto-Rooter review, we take an in-depth look at the company’s plumbing services.

S5 E14, Richard Trethewey shows how to unclog various drains

How to Clear a Clogged Drain

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

How to Fix Washing Machine Drain Overflows

Water that pools around your washing machine can be caused by several issues that lead to structural damage within your home. In this guide, we detail steps that you can take to identify and fix this problem.

5 Types of Plumbing Pipes

In this article, we describe the most common types of plumbing pipes and how they’re used within your home’s plumbing system.

What Does a Gas Leak Smell Like?

In this article, we’ve compiled important information on how to identify, respond to, and prevent natural gas leaks.

How Much Does Water Heater Installation Cost? (2022)

In this article, we discuss the cost of installing a water heater, the different types of water heaters available, and the warning signs that point to a failing system.

Ultimate Guide to Washing Machine Hoses

Before installing new washing machine hoses, it’s important to know your options, how to install the lines, and preventive maintenance measures you can take. Read on for the ultimate guide to washing machine hoses.

Sewer Line Repair and Replacement

Intact sewer and water lines are essential to a clean and comfortable home. Read on to learn what causes sewer lines to break and how they are repaired or replaced.


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


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

S20 E18, Richard Trethewey talks about becoming a plumber

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.

House Hydrant

How to Install a House Hydrant

Ask This Old House plumbing and heating expert Richard Trethewey installs a house hydrant to replace a leaky outdoor spigot.


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

How to Plunge a Toilet  

With so many plungers in the market, which one is right for your toilet? Learn how to pick out the best plunger and use it properly when disaster strikes in the bathroom.


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