Gas and Oil Furnaces MODEL XP80 OIL High-efficiency oil heat XP Oil Furnaces Oil heat is known for its dependable warmth during even the coldest winter. And with the Trane XP80, you can match that comfort with reliable, high-efficiency performance. MODEL XP80 OIL features: Efficient performance The XP80 features up to 82.7% efficiency. 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.