Max starts off letting us know that it was World Elephant Day. Joe and Allan look at how house styles change over time. They start off with the Cottage, then move on to the American Craftsman and wrap up with the Ranch. In Great Moments, the guys salute the inventions of Hedy Lamar. She was instrumental in developing the idea of frequency hopping that helped lead us to the development of modern Wi-Fi. Larry Brown from Brown Refrigeration joins the guys for a discussion of the past, present, and future of HVAC.