admittedly I haven't given them a try in the Dead Heat of the summer yet that's still to come. But I will not give up on my electric fans that's for sure. After working on a customer's 65 Impala yesterday and having that whirling blade of death close to my hands I think I even have him talked into getting an electric fan as well. I'll get a big Pusher fan out front for those extremely hot days if need be...