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 install cellulose insulation
Read these 8 things you can do yourself to keep warm inside your home.
We share different types of insulation so you can select what works best for your home’s interior walls.
Here’s how to prevent ice dams in 8 steps so you can enjoy a winter free of icicles and the damage they can do to your roof.
3 easy steps and neat trick to safely make tidy cuts in fiberglass insulation batts.
Tom Silva shows you how to keep cold air from coming through windows and doors.
Yes, it's a messy job. But when the dust (and fiberglass) settles, you'll enjoy a fatter bank account and more comfortable indoor temps year-round.
Tom Silva gives some advice on insulating a brick Colonial with concrete-block walls
Scott Caron offers advice on how to keep your home energy-efficient when using recessed lights
Does it make sense to insulate my basement ceiling? This Old House’s Tom Silva answers.
Whether you envision your house's top floor as an away-from-it-all master suite, a quiet home office, or a kids' hangout, don't lift a finger until you've read TOH's expert advice.
Insulation in your home increases interior comfort, while decreasing heating and cooling costs.
Spread across the bottom of a standard 3-foot-wide entry door, a 1⁄4 inch space can let in as much air as a 3.4-inch hole in the wall. Keep cold out and precious heated air in by closing the gap with a door sweep. Here, three types of "door bottoms" (as they’re also called) to consider
Ask This Old House general contractor Tom Silva shares some DIY Smarts tips for insulating an attic.
Ask This Old House general contractor Tom Silva discusses the options for insulation with host Kevin O’Connor
How the Natural Power of Stone Can Increase the Comfort of Your Home
The pros at Reviewed.com share their top product picks, including "smart" bulbs, locks, smoke detectors, and more
It’s efficient, easy to install, and incredibly effective; hear what Tom Silva has to say about this versatile insulation product
TOH affiliate Nick Schiffer discusses the benefits of mineral wool insulation
If you can feel a breeze around your closed windows, consider these quick-and-easy ways to block drafts. Such stopgap measures eliminate air leaks by sealing sash perimeters from indoors. Come spring, add or replace weatherstripping for a longer-lasting fix
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
Airtight solutions for your house's drafty problems
Cost-effective way to save energy with This Old House general contractor Tom Silva
This Old House general contractor Tom Silva explains the wide world of spray-foam insulation
This Old House general contractor Tom Silva shows affordable ways to create an energy-efficient attic