Heating & Cooling
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.
Flexible HVAC Solutions at the Dorchester Triple Decker
A three-story home requires three separate HVAC systems. In this video, plumbing and heating expert Richard Trethewey explains how an ingenious high-velocity mini-duct system with modular components provides continuous, quiet comfort on every level of our Dorchester Triple Decker project house.
How Much Does a Furnace Cost?
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 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.
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.
Does Saving Energy Mean Saving Money?
While reducing energy use is always a good thing, not every energy-conserving strategy is guaranteed to reduce your overall costs. We take a look at some common misconceptions.
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.
8 DIY Humidifier Ideas
Heating systems tend to rob the air of much-needed moisture content, leaving you with itchy skin, stuffed sinuses, and poor air quality. These DIY humidifier ideas will help increase your home’s humidity for a more comfortable environment.
Best Home Warranty Companies for HVAC Systems
Your HVAC system is one of the most important items in your home, keeping your home at a comfortable temperature year-round. Since HVAC coverage varies widely from company to company, we’ve put together this guide on the five best HVAC protection plans.
Second Nature Air Filter Review
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
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
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.
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
In this Michael & Son review, we examine the HVAC and plumbing services the company offers in Virginia, Maryland, and North Carolina.
Reimagining Home Comfort at the TOH 2020 Farmhouse in Fairfield County
Learn how a multi-zoned heating and cooling system provides consistency and comfort at our latest Idea House.
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.
The 5 Best Dehumidifiers (2023 Review)
A dehumidifier removes moisture from the air, decreasing its humidity level. In this review, the This Old House Reviews Team researched the best dehumidifiers on Amazon to help you find the one that’s right for you.
ARS Rescue Rooter Review
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.
How Often You Should Change Your Air Filter
Changing the air filters in your HVAC system is an essential practice that ensures clean air circulates throughout your home. In this article, we discuss the importance of changing an air filter and give you tips on how to do it.
How to Install a Wood Burning Stove
A new soapstone wood burning stove gets installed in the family room.
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.
What to Do If Your Fridge Stops Cooling
Is your refrigerator no longer staying cool? There are a number of reasons why your fridge may be quitting on you. Read our guide to help diagnose and fix your fridge.
How to Build an Outdoor Air Conditioner Cover
Air conditioning is nice to have, but the look of the clunky unit outdoors can be unsightly. Watch as Jenn Largesse, DIY Expert and House One Editor, creates a wooden cover for her air conditioning unit.
Rheem Water Heater Warranty Review
When you purchase a water heater, a Rheem water heater warranty may be enough coverage to protect the item when it’s new. However, factory warranties carry expiration dates, so once this protection period ends, you’re left to face the costs. A home warranty can protect your budget and give you peace of mind by covering appliances and systems regardless of their age.
How to Upgrade to a Smart Thermostat with Four Wires | This Old House: Live
Ask This Old House home technology expert Ross Trethewey demonstrates how to install a new smart thermostat without an existing common wire. This video is part of This Old House: Live—an initiative providing daily programming and opportunities to connect with our experts during these challenging times.
A Guide to the Best Water Heater Warranty
When your water heater breaks down from normal wear and tear, your daily routine may be impacted significantly, as this system is responsible for heating the water you use when showering, doing laundry, and washing dishes. Keep reading this review to find the best water heater warranty for your home.
Too Much Dust
Why is the house so dusty even when the air filters are clean?
How to Quiet Noisy Ducts
Is there a way to stop the banging from your metal ductwork? Richard Trethewey diagnoses the problem and points to some solutions