Insulation Videos

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.

Discover the best techniques for boosting insulation and improving home comfort.

Ask This Old House general contractor Tom Silva discusses the options for insulation with host Kevin O’Connor.

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 plumbing and heating expert Richard Trethewey shows an innovative new way to seal ducts from the inside

Discover how insulation and R-value can work together to make your home more comfortable and energy-efficient. Read our guide to learn more.

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

In this video, This Old House general contractor Tom Silva explains how to refresh cellulose insulation in the attic.

This Old House general contractor Tom Silva explains the wide world of spray-foam insulation.

Keep your family warm this winter. Tom Silva shows you how to stop cold air from coming through windows and doors.

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.

This Old House host Kevin O'Connor shows how to fill gaps and make a space cozier and more energy-efficient.

This Old House general contractor Tom Silva shows how to warm up a chilly concrete wall

This Old House general contractor Tom Silva explains how to choose and use various types of insulation in this video and guide.

This Old House's Two-Minute Expert explains what goes into creating a bonus room under the rafters

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

In this video, This Old House general contractor Tom Silva explains how to insulate a window with sash weights.

Learn how to retrofit cellulose insulation for your home in this step-by-step guide from This Old House general contractor Tom Silva.