Insulation Videos

These This Old House videos showcase all of our insulation projects, how-tos, and designs.

How to Maximize the Impact of Insulation

Ask This Old House general contractor Tom Silva shares some tips for insulating an attic.

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.

Kevin O'Connor and building science expert Joe Lstiburek discuss the benefits of using OSB sheathing

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

Ask This Old House general contractor Tom Silva explains R-value and the need for good insulation.

This Old House plumbing and heating expert Richard Trethewey helps a homeowner insulate his 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.

Tom Silva shows you how to keep cold air from coming through windows and doors.

This Old House general contractor Tom Silva shows affordable ways to create an energy-efficient attic.

This Old House host Kevin O'Connor shows how to fill gaps and make a space cozier and 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 insulation.

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 shows an energy-efficient way to insulate old windows

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.

In this video, This Old House general contractor Tom Silva explains how to install cellulose insulation