Heating & Cooling

Discover the best firewood for your home, along with essential safety and storage tips to keep your home safe and warm during the chilly months.

Should your crawl-space vents open or closed? This Old House’s Tom Silva discusses the advantages and disadvantages of each option.

Freon has been banned in the U.S. since 2020, but some homes still use Freon-based AC units. Here's what the ban means for these homeowners.

Here are the steps to service your heating system in the fall. Whether it's you or a professional, we talk through all the important tasks.

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

Our guide reviews the best infrared heaters with high ratings in different styles and sizes for your indoor or outdoor living space.

If you're trying to choose between propane and oil to heat your house, check out this comprehensive guide to the pros and cons of each.

Energy-saving, climate-friendly, and relatively easy to retrofit, air-source heat pumps are now a viable option for heating and cooling, even in cold climates. Here’s how to put them to work in your home

Looking for the best ductless mini-split air conditioner? Our guide covers today’s top models and what to look for when shopping.

If you’re struggling with maintaining—or even attaining—a consistent temperature throughout your house, your HVAC system may be out of balance. This guide will explain the basics of air balancing, including how DIYers can tackle the job and when they should call a professional to sort out their home’s heating and air conditioning system.

Ozone generators create a more breathable environment for you and your family. They also have the ability to kill harmful bacteria and viruses. In this review, the This Old House Reviews Team researched the best ozone generators on Amazon to help you find the product that’s right for you.

Radiant floor heating can be perfect for small spaces and energy efficiency. This guide is all about radiant floor heating in the home.

Your furnace may need some TLC before starting it up this winter. Here are some tips on what to do to get your furnace prepped before the cold months arrive.

Humidifiers add moisture to dry air. In this review, the This Old House Reviews Team researched the five best humidifiers 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.

While avoiding the garage during the heat of the day is obviously an option, some folks find their happiness or make their money in their garages or workshops. But is suffering through oppressive heat the only way to stay productive all summer? Is there no hope for summertime garage projects? These smart, practical, and effective tips for how to cool a garage will help.

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.

Space heaters come in many sizes and can help lower your electricity bill. In this review, we look at some of today's best space heaters.