Hey, everyone, Shane here with etrailer.com. Today I have a 2005 Tiffin Allegro Bus, I'm gonna walk through how to install the Dometic Penguin II high efficiency 15,000 BTU air conditioner. Adding an air conditioner like this, maybe you replacing an old worn out one, maybe you're wanting to add one to your eight, your RV or camper, or maybe you're one to upgrade from maybe a smaller one, … see more >