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A well insulated home uses less energy. That means lower heating and cooling costs and less environmental impact.

Whether it is cold air leaking in during the winter or warm air during the summer, a drafty house loses energy and is less comfortable. Insulating your home is one of the easiest and most cost-effective ways to save energy and lower your energy bill.

You can draft-proof your home by sealing the gaps and cracks with caulking and weatherstripping.

Read our how-to booklets:

Watch these how-to videos:

Thumbnail and link to Caulk and Seal Windows video

Caulk and Seal Windows

Running time (7:03)

Caulk and seal your windows to save energy and money. Learn which tools you’ll need and how to get started.

Play video: Caulk and Seal Windows.

Thumbnail and link to Insulate Basement Walls video

Insulate Basement Walls

Running time (7:12)

Learn how to install a wood frame, set up a moisture barrier, and finish with drywall.

Play video: Insulate Basement Walls.

Thumbnail and link to Install Door Weather Stripping video

Install Door Weather Stripping

Running time (4:10)

Learn how to weather strip your door properly to protect it against the elements and save money on your energy bill.

Play video: Install Door Weather Stripping.