What Are Your Top Tips for Saving Energy?

Earlier this week, John Chu shared with us his Top 10 Tips to Save Energy and Money This Summer. But since most of the country is in the middle of a huge heat wave, it sounds like a great time to share other tips about saving energy, saving money and, most importantly, staying cool. So this week we'd like to know:

What tips do you have for saving energy this summer?

You have the chance to share your thoughts on a question about energy efficiency or renewable energy for consumers. Please comment with your answers, and also feel free to respond to other comments.