Insulation How To & DIY
Improve the value of your home by discovering our insulation step-by-step tips & ideas.
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.
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.
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.
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.
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 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.
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.
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
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.
3 Common Insulation Materials Used in Old Homes
If you live in an older home, understanding what pads your walls is essential to keeping your family safe. Here are three common types of insulation found in old homes and their potential hazards.
How to Insulate a Basement
This Old House general contractor Tom Silva shows how to warm up a chilly concrete wall
How to Choose and Use Insulation for Your Next Project
This Old House general contractor Tom Silva explains how to choose and use various types of insulation in this video and guide.
How To Insulate a Wall: A Comprehensive Guide
Here are some simple and easy tips for installing wall insulation to help you save money and become more energy-efficient.
5 Steps to Finishing an Attic
This Old House's Two-Minute Expert explains what goes into creating a bonus room under the rafters
How to Insulate Window Weight Pockets
In this how-to video, This Old House general contractor Tom Silva shows an energy-efficient way to insulate old windows
How to Insulate an Attic
In this how-to video, This Old House general contractor Tom Silva and host Kevin O'Connor demonstrate the proper way to insulate an attic
How to Insulate a Window with Sash Weights
In this video, This Old House general contractor Tom Silva explains how to insulate a window with sash weights.
How To Retrofit Cellulose Insulation
Learn how to retrofit cellulose insulation for your home in this step-by-step guide from This Old House general contractor Tom Silva.
How to Add Wall Insulation in an Old House without Damage
This guide explores insulation options and techniques suitable for older homes, helping you make the best decisions and avoid damage.
A Comprehensive Guide to Roofing and Siding Installation
This Old House general contractor Tom Silva shows how he installs roofing and siding in this educational, step-by-step guide.
How to Cut Batts of Fiberglass Insulation
3 easy steps and neat trick to safely make tidy cuts in fiberglass insulation batts.
Insulating a Crawl Space: A Comprehensive Guide
A crawl space must be adequately insulated to reap the temperature-regulating benefits. Read on to learn how to insulate your crawl space.