Heating & Cooling Installation

Read through step-by-step tutorials to help you prepare for any installation pertaining to your heating & cooling.

S22 E24: Ross Trethewey installs a smart thermostat
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How To Install A Smart Thermostat

Home technology expert Ross Trethewey helps a homeowner upgrade his existing thermostat to a smart model by finding the power source the new device needs.
Richards helps a homeowner install radiant floor heating.
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How to Retrofit Radiant Heating in a Bathroom

In this video, This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a radiant floor system in their bathroom.
S22 E12: Richard Trethewey installs a hybrid hot water heater
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When To Upsize a Water Heater

Plumbing and heating expert Richard Trethewey diagnoses and solves a homeowner’s lack of hot water.
S21 E25, Richard Trethewey installs a wood-burning fireplace insert
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How to Install a Fireplace Insert

Plumbing and heating expert Richard Trethewey helps a homeowner supplement their living room heat by installing a wood-burning insert in their existing fireplace.
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What Does Propane Tank Installation Cost? (2022 Guide)

To heat your home or power your appliances with propane, you’ll need to install a large storage tank on your property. Here’s how much that will cost to set up.
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The 7 Best Thermostats (2024 Review)

Thermostats are essential for maintaining a comfortable temperature in your home. In this review, the This Old House Reviews Team researched the five best thermostats on Amazon to help you find the product that’s right for you. The products included in this article are available at various home improvement stores, local home centers, and online retailers like Amazon.
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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.
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How to Install a Wood Burning Stove

A new soapstone wood burning stove gets installed in the family room.
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Serviceable Plumbing and HVAC Installations | Pro2Pro Premiere

Watch as Richard Trethewey and John Deforge of SG Harold Plumbing and Heating discuss the challenges that service technicians face on the job.
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Basic Types of Home Air Conditioning Systems

There are several types of air conditioning units to choose from, depending on the specific needs of your home. Learn the basics of the most common AC systems and how to maintain them.
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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 Heat a Garage Workshop

Ask This Old House plumbing and heating expert Richard Trethewey travels to Akron, Ohio to install a garage heater.
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Want Central Air Conditioning? Read This Before You Install

Tired of your window AC unit? Here’s what you need to know about how central AC systems work before investing in cooling your entire house.
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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.
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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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Installing Weather-Responsive Heating Controls

In this video, This Old House plumbing and heating expert Richard Trethewey explains how a system that takes into account the outside temperature saves energy and boosts the efficiency of a boiler.
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How to Install an Energy-Saving Programmable Thermostat

Save on your energy bill with controls that automatically change the temperature settings
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Installing Radiant Floor Heating in Existing Homes

Retrofitting radiant heating into your home will not only keep you warm but help you save on energy bills too.
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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.
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Central Air Installation: Costs & Best Units to Get

Want to install central AC to your home? Read this guide to learn more about central air installation, from installation costs to selecting the best unit.
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Installing Radiant Floor Heat

This radiant-floor-heating system is relatively easy to install, won't leak, and doesn't cost a lot to operate.
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Portable Space Heaters 101

Portable space heaters can warm your bones in a hurry, but how economical — and safe — are they?