Were seeing 180 to 150 lightning strikes in the last 15 minutes. When you hear thunder, move indoors. Dont stay outside if you can help it. Things calm down after midnight, but more tomorrow of the same. On days like today, people who work in an Airconditioned Office are much happier than the folks working outside. Many new yorkers, particularly people in Public Housing, dont news 4 investigates just found out how hot the unairconditioned apartment can get in weather like this. Reporter natalie, airconditioning a savior on days like today. For those who cant afford it, it is just a luxury. Here in harlem five stories up no ac. Harlem apartment, Victor Sanchez says it gets unbearable. I wouldnt be surprised if it hit 97, 98 degrees. Reporter he can only dream of cooling off inside. Airconditioning is expensive to buy and expensive to run. Reporter he is among 10 of new yorkers that dont have airconditioning. Now he is part of a Ground Breaking study to find out just how bad that is. You