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HVAC

The 5 Best Thermostats (2022 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.

How Much Does a Furnace Cost? (2022)

If you need to repair or replace your furnace and are wondering about general furnace costs, keep reading for a detailed look at furnace types, pricing factors to consider, and common repair costs.

How Much Does a Heat Pump Cost?

Buying and installing a heat pump for your house has many benefits. Keep reading to learn more about how each type works, what it costs, and what to look for in your purchase.

How Much Does an Air Conditioner Cost?

In this guide, we provide details on air conditioner costs, types of units, repairs, and an explanation of what goes into AC system pricing.

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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.

How Much Does an HVAC Installation Cost? (2022)

In this guide, we break down the cost of installing a new heating or cooling system and explain the different types of HVAC installations.

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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

Second Nature Air Filter Review 2022

Clogged air filters can lead to HVAC issues and cause respiratory problems if they aren’t replaced. Second Nature sends customers high-quality air filters of all different sizes as part of a convenient subscription service. Read our review to learn more.

Best Air Filter Subscription Services (2022)

To simplify the process of replacing your air filters, read on to discover the best air filter subscription delivery services with top satisfaction guarantees, filter varieties, and shipping options.

Aire Serv Reviews and Services

Aire Serv is an HVAC company that provides a variety of customer guarantees, an advantage plan, and upfront pricing. In this review, we share Aire Serv reviews and examine the company’s services, availability, cost, and more.

One Hour Heating and Air Reviews 2022

One Hour Heating and Air Conditioning is known for its motto: "Always On Time… Or You Don’t Pay A Dime!" In this article, the This Old House Reviews Team shares customer reviews and examines the company’s coverage options, customer service, and more.

Propane vs. Oil Heat: Which Is Best For Home Heating?

Natural gas is often the top choice for home heating in urban areas, but the answer frequently comes down to money if you can choose between fuel types. Read on to learn the benefits and cost breakdown for heating with both propane and oil.

S2 E23, Richard Trethewey explains radiant-heat flooring
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How to Install Radiant Heat

This Old House plumbing and heating expert Richard Trethewey shows how to retrofit an old home with new under-floor heat

S5 E26, Richard Trethewey fixes a noisy forced-air heating system
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How to Quiet a Noisy Forced-Air System

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey makes peace with a raucous heating duct

How to Bleed a Radiator

If you have hot-water heat, have you ever found that one or more of your radiators isn’t warming up? Or that only the bottom of a radiator gets hot? Before you spend the money on a plumber, try an easy fix.

All About Furnace Replacement: Cost and When to Do It

Replacing a furnace is a big task with a big price tag. However, having a home warranty can go a long way toward minimizing furnace replacement costs.

Michael & Son Review (2022)

In this Michael & Son review, we examine the HVAC and plumbing services the company offers in Virginia, Maryland, and North Carolina.

Service Experts Heating & Air Conditioning Reviews and Services

In this article, we examine reviews of Service Experts Heating & Air Conditioning and discuss coverage options and pricing. Read on to learn more.

ARS Rescue Rooter Review (2022)

In this ARS Rescue Rooter review, the This Old House Reviews Team shares customer reviews and examines the company’s services, cost, and customer service.

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Why Is My Air Conditioner Not Cooling?

Is your air conditioner not cooling? From refrigerant leaks to a malfunctioning compressor, these are five reasons why your air conditioner isn’t cooling and ways you can troubleshoot and prevent the issue.

Improve Your Attic Ventilation with Soffit Vents

Here’s how to install soffit vents step by step to improve the airflow in your attic.

How to Seal a Door Gap

We show you how to use silicone weatherstripping to fill gaps in your door.

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 Insulate HVAC Ductwork

This Old House plumbing and heating expert Richard Trethewey helps a homeowner insulate his HVAC ductwork.

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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.

The 5 Best Portable Air Conditioners (2022 Review)

Portable air conditioners act as supplemental cooling to make you more comfortable when it’s hot and humid outside. In this review, the Old House Reviews Team researched the five best portable air conditioners on Amazon to help you find the product that’s right for you and your home. The products included in this article are available at various home improvement stores, local home centers, and online retailers like Amazon.

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

How to Install a Window AC Unit

Window air conditioning units may seem intimidating, but they’re actually quite easy to install. With a bit of background knowledge, the right tools, and a guide to show the way, cooler temperatures are on the horizon—even when it’s boiling outside.

Richard Trethewey moves a baseboard heater.
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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.

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.