Rocky Mountain Propane Showcase Home Debut RMPA had built an All Propane Home to use as a demonstration piece called "The Propane Showcase Home" to help educate Realtors, Builders, Plumbers, Designers and Consumers. How to build a reliable, clean and efficient home. Join us during "Clean Energy Week" live from the Rocky Mountain Propane showcase home in Twin Falls Idaho. We will discuss the home building process, and all the propane appliances installed in the home, show you our materials created for the home and how you can participate and use the assets.