Insulation
Read This Before You Finish Your Attic
Transform your unused attic into valuable living space. Our guide will help you plan a successful attic renovation from start to finish.
Adding Attic Insulation
Insulating your attic can save money on energy bills and keep your home warmer. We cover how to add insulation to your attic, how much it costs, and more.
What To Know About Indoor Air Quality Testing
Home technology expert Ross Trethewey tells us about indoor air quality, why it’s important, and the tools and data we can use to ensure that we’re breathing healthy, clean air.
How to Conduct a Home Energy Assessment
Home technology expert Ross Trethewey shows a homeowner where her energy consumption is going and how to save some money moving forward.
Fixing Ice Dams on a Roof
Home technology expert Ross Trethewey helps a homeowner solve an ice dam issue with smart insulation practices that also improve the home’s efficiency.
Practical Air Sealing Techniques for Windows to Save Energy
Learn several budget-friendly, DIY ways to seal and insulate your existing windows and save energy without replacing them.
How to Insulate an Attic Door
Your attic is insulated, but the access hatch probably isn’t. Here are a few ways to insulate it to save money and energy.
The Best Way to Insulate an Existing Concrete-Block Wall
Tom Silva gives some advice on insulating a brick Colonial with concrete-block walls
How to Insulate Around Recessed LED Fixtures
Scott Caron offers advice on how to keep your home energy-efficient when using recessed lights
How To Insulate a Basement Ceiling
Does it make sense to insulate your basement ceiling? Our guide includes tips and instructions on how to insulate a basement ceiling.
All About Insulation
Insulation in your home increases interior comfort, while decreasing heating and cooling costs.
Easy Fixes for Drafty Windows and Doors
Read these 8 things you can do yourself to keep warm inside your home.
How to Weatherstrip a Door to Prevent Any Air Leaks
Weatherstripping eliminates pesky door air leaks and improves energy efficiency. Learn how to install it from This Old House's Tom Silva.
How To Insulate Your Basement
From preparation to installation, This Old House's Tom Silva shows how to insulate your basement.
How Much Could You Save by Insulating Your Home?
New insulation can cut your energy bills and make your spaces feel more comfortable. Learn how to weigh the upfront cost against your potential savings.
3 Types of Door Sweeps
Here are three types of door sweeps (or door bottoms) to consider to help stop the drafts.
How To Maximize the Impact of Insulation
Discover the best techniques for boosting insulation and improving home comfort.
Things To Know About Choosing Insulation for Your Home
Ask This Old House general contractor Tom Silva discusses the options for insulation with host Kevin O’Connor.
Benefits of Stone Wool Insulation
Learn what stone wool insulation is, how it works, and why it's a good choice for sustainable building solutions.
Best Smart Home Products
The pros at Reviewed.com share their top product picks, including "smart" bulbs, locks, smoke detectors, and more
Tips for Using Stone Wool Insulation
It’s efficient, easy to install, and incredibly effective; hear what Tom Silva has to say about this versatile insulation product.
Ask This Old House Know-How: All About Stone Wool Insulation
TOH affiliate Nick Schiffer discusses the benefits of mineral wool insulation
Mind the Window Gaps: Three Ways To Easily Block Drafts
If you can feel a breeze around your windows, don't hesitate, consider these quick and easy ways to block drafts.
How to Seal Leaky Ductwork
Ask This Old House plumbing and heating expert Richard Trethewey shows an innovative new way to seal ducts from the inside
Understanding Insulation and R-Value
Discover how insulation and R-value can work together to make your home more comfortable and energy-efficient. Read our guide to learn more.
How to Insulate HVAC Ductwork
Watch as This Old House plumbing and heating expert Richard Trethewey helps a homeowner insulate his exposed HVAC ductwork.
Insulation Tips From the Pros for Every Corner of Your Home
Keep your home cozy and save money with this roundup of our top insulation tips for attics, basements, and other drafty spots in your house.
How to Refresh Cellulose Insulation in the Attic
In this video, This Old House general contractor Tom Silva explains how to refresh cellulose insulation in the attic.
How to Choose and Use Foam Insulation
This Old House general contractor Tom Silva explains the wide world of spray-foam insulation.
How To Seal Windows and Doors for Winter
Keep your family warm this winter. Tom Silva shows you how to stop cold air from coming through windows and doors.
How To Effectively Insulate an Attic with Fiberglass
You can improve your attic's thermal performance by insulating it with fiberglass. Read about how to make your home more energy efficient in our step-by-step guide.
How To Install Fiberglass Insulation in Your Home
This Old House host Kevin O'Connor shows how to fill gaps and make a space cozier and more energy-efficient.