The more cool air you lose, the harder your air conditioning unit works and the higher your electricity bill will be. Install blinds, hang curtains or get storm windows made to keep cool air from seeping out. Even mesh screens, on the outside of your home, will help deflect solar radiation. You might even consider replacing old windows that leak cold air and let in heat.
Geek Your Rate: This website finds you the lowest-priced electric provider and plan in your area based on your last 12 months of usage (You have to type it in from your bills). You pay a one-time fee of $9.95 to access the rates and the website's algorithms to find your best plan for a 48-hour time period. You can also try it for free to see how it works, but the data Geek Your Rate gives in the free trial are 6 months old. More info
If you live in the greater Houston area, there are over 60 different energy suppliers competing for your business. Many of these providers have websites that are confusing and difficult to navigate, their rates buried in misleading advertising and dense jargon. Who has the time to sort through and keep track of options across all these different sites?