Gas and Oil Furnaces MODEL XV80 - Durable warmth, built to fit your needs XV Two Stage Variable Speed Every home is unique. And the highly convertible XV80 is built to meet your home's needs, designed to fit wherever you need it. MODEL XV80 features: Efficient performance The XV80 performs at 80% efficiency. Comfortable, even heating Variable-speed-fan motor adjusts speed to provide a consistent flow of warm, comfortable air. Durable construction Materials for all components are tested again and again for long-lasting performance and reliability. Better indoor air Add a Trane Air Cleaner to your system for filtering that removes more dust, pollen and other irritants throughout your entire home for a cleaner, healthier, more comfortable home.