Power outlets and light switches can be a point of cold-air entry in your home, you can inexpensively and easily plug the leak. Check out this guide to see how.
It might seem like a trivial thing, those tiny drafts you feel — especially in older homes — around outlets and light switches. Multiple those tiny drafts by every single outlet and switch in the house however and you've got a pretty substantial leak.
Over at the home-centric blog Re-Nest they have a quick tutorial on how to insulate your outlets and switches. You'll need some inexpensive foam plate seals — seen in the above right photo — a screw driver to open the plates, and if you've got significant gaps between the edge of the wire box and the wall you'll definitely want a can of expanding foam or a tube of insulating caulk to fill the space. Check out the full guide at Re-Nest including tips on using your insulation to help reduce noise.
Have a tip of your own for plugging energy leaks — big or small? Let's hear about it in the comments.