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S21 E7, Richard Trethewey replaces a tank-type water heater
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How to Replace a Tank-Type Water Heater

In this DIY Smarts segment, plumbing and heating expert Richard Trethewey helps a homeowner be proactive about their home maintenance by replacing their existing tank-type water heater before it fails.

How Thermostat Setbacks Save Money
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How Thermostat Setbacks Save Money

This Old House plumbing and heating expert Richard Trethewey explains how adjusting the thermostat can reduce energy consumption and save you money.

Heating a Swimming Pool with an Air Conditioner
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How to Heat a Swimming Pool with an Air Conditioner

This Old House plumbing and heating expert Richard Trethewey installs a device that will heat a pool with the heat produced by an air conditioner.

Installing a wireless thermostat at home
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How to Install a Wireless Thermostat

This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a wireless thermostat to control one zone of heating.

Repairing a frozen air conditioner at home
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How to Repair a Frozen Air Conditioner

This Old House plumbing and heating expert Richard Trethewey shows how to prevent ice buildup from shutting down an air-conditioning system.

Managing heat gain and loss seasonally at home
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How to Manage Heat Gain and Loss Year Round

This Old House landscape contractor Roger Cook shares tips for saving energy throughout the year.

Installing a portable air conditioner at home
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How to Install a Portable Air Conditioner

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey offers a quick and easy way to cool off a room.

Installing a wall mounted space heater in a bathroom
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How to Install a Wall Mounted Space Heater

Ask This Old House master electrician Scott Caron warms up a chilly bathroom by installing an electric convection heater.

Installing a whole house fan
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How to Install a Whole House Fan

This Old House general contractor Tom Silva shows a quick and clever way to keep a home cool.

S20 E18, Ross Trethewey talks about smart thermostats
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All About Smart Thermostats

Home technology expert Ross Trethewey explains everything there is to know about modern smart thermostats.

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How to Install a Smart Thermostat

This Old House plumbing and heating expert Richard Trethewey shows a homeowner how to install and operate an energy-saving smart thermostat

S20 E16, Kevin O’Connor, Ross Trethewey, and Richard Trethewey discuss ways to save on heating costs
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How to Save Money on Heating Bills

Watch as This Old House plumbing and heating expert Richard Trethewey and home technology expert Ross Trethewey teach some cost-effective ways to save money on heating this winter.

ASK S7 E7, sealing windows and doors for winter
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How to Seal Windows and Doors for Winter

Tom Silva shows you how to keep cold air from coming through windows and doors.

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How to Install Room-By-Room Zoning in an HVAC System

Ask This Old House plumbing expert Richard Trethewey learns about an HVAC system that allows each room to be zoned out using smartphone technology.

S20 E13, Ross Trethewey discusses heat pump technology with his father, Richard
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Future House | Understanding Heat Pumps

Ask This Old House home technology expert Ross Tretheway explains everything you need to know about heat pumps.

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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

S20 E2, Richard Trethewey explains water heaters
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All About Water Heaters

Plumbing and heating expert Richard Trethewey walks through all the various options available to homeowners for purchasing or renting a water heater.

Richard Trethewey replaces a water heater
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How to Replace a Water Heater

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows the correct—and safe—way to install a water heater

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How to Heat a Garage Workshop

Ask This Old House plumbing and heating expert Richard Trethewey travels to Akron, Ohio to install a garage heater.

Ask TOH Season 2, Ep25, Tom Silva replaces weatherstripping
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How to Weatherstrip an Exterior Door

This Old House general contractor Tom Silva shares tips for fixing a drafty door

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How to Replace a Steam Radiator

Ask This Old House plumbing and heating expert Richard Trethewey replaces a small radiator with one that’s the correct size

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How to Quiet a Banging Steam Radiator

This Old House plumbing and heating contractor Richard Trethewey silences a rattling radiator

Person removing baseboard heater covers.
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Baseboard Heater Cover Removal and Replacement

Here’s how to remove your old baseboard heater covers and replace it with a new one for a fresh, clean look.

People carrying a wood stove insert to install it into a fireplace.
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How to Install a Wood Stove Fireplace Insert

Install a wood stove insert to increase efficiency and heat output from your fireplace.

Two people installing thermostatic radiator valve to an old radiator.
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How to Install Thermostatic Radiator Valves

We show you how to add a manageable control to your old radiator by installing a new thermostatic valve.

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How to Quiet Heating Pipes

This Old House plumbing and heating expert Richard Trethewey shows how to silence noisy heating pipes.

Person inspecting a steam heating system.
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The Pros and Cons of a Steam Heating System

Considering steam heat? We help you weigh the pros and cons so you can decide if it is right for you.

Brown Pellet Stove
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How to Install a Pellet Stove

We show you how to add a pellet stove as a supplementary, efficient heat source to your house step-by-step.

Person installing thermostatic steam radiator valve.
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How to Install a Thermostatic Steam Radiator Valve

Add controls to a steam radiator with these step by step instructions and video to guide you.

People installing new combination boiler in a basement.
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How to Install a Combination Boiler and Hot Water Heater

Replace two devices, your water heater and boiler, with a single combi boiler unit that’s more efficient and compact.

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How to Install a Ductless Mini-Split Air Conditioner

This Old House plumbing and heating expert Richard Trethewey explains how the pros retrofit a compact cooling unit.

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How to Select a Portable Air Conditioner

Ask This Old House plumbing and heating expert Richard Trethewey walks host Kevin O’Connor through the choices in air conditioners.