This guide first appeared on johnonody.com . Summer is when a lot of electric bills jump, and it can feel like the only choices are sweating it out or paying whatever the meter says. There's a better middle ground. Learning how to lower your electric bill in the summer mostly comes down to three things: keeping heat out of your home, helping your air conditioner work less, and not creating extra heat inside. None of the tips below ask you to live in a hot house. Most of them are free or cost very little, and many work just as well in an apartment as in a house. I've grouped them by where they happen: the thermostat, your windows, airflow, appliances, air leaks and the AC unit itself. After that you'll find tips for renters, a couple of things to skip, a simple first-week plan and answers to common questions. You don't need all 22 at once. Pick three or four to start this week, and add more as you go. Small changes add up over a long, hot month. Why is my electric b...