Are you sure that your water heater is working properly? I know that in the middle of summer you might not be thinking about your heater that much, but believe me it might be the best time of year to do something about it before you really need your water heater.
I still remember how my water heater stopped working a few years back. I think it happened on a cold December night. It was indeed a cold and unpleasant night. I had to wait until the next day to call somebody to get it fixed for me. I am going to remember this particular night for a very long time due to this accident.
If you suspect that something is indeed wrong with your heater you might want to contact somebody specializing in Water Heater Indianapolis. They will know exactly what to do about your heater so that you can avoid such unpleasant surprises like I had to face several years ago.