Con Edison is raising rates by up to 12 percent in June, just in time for summer heat waves. This is on top of the previous four percent increase. Businesses could be looking at an 18 percent hike. So, the choice is yours: revel in your wonderful A/C and spend everything you have on energy bills, or follow my advice from last summer on how to survive sans A/C or even a fan. It’s do-able, kind of.