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Plumbing

The 6 Best Tankless Water Heaters (2022 Review)

Tankless water heaters save energy, provide hot water on-demand, and take up less space when compared to traditional tank water heaters. In this review, the This Old House Reviews Team researched the six best tankless water heaters on Amazon to help you find the product that’s right for you and your home.

Fixing baseboard heater
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Baseboard Heater Making Noise? Here’s How to Fix It

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and solve a baseboard hot water system that makes noise.

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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.

How to Maximize Comfort with a Thermostat
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How to Maximize Comfort with a Thermostat

Ask This Old House plumbing and heating expert Richard Trethewey and home technology expert Ross Trethewey discuss improvements to thermostats and how they contribute to comfort in a home

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.

Richard stands next to a newly moved baseboard
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How to Move Baseboard Heating

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner by moving a hot water baseboard heater from one side of a room to another.

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.

All About Septic Tanks

While many homes in the United States use municipal sewers, due to factors like location, some homeowners must opt for septic tanks. Read on to learn a few fundamentals of this sewage 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

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.

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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

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
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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
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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.

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
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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

The 5 Best Water Test Kits (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
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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.