Welcome to Trane's Spokane Office, serving Eastern Washington, Eastern Oregon and the Idaho Panhandle. When making an investment as complex as your building's HVAC system, it pays to choose technical experts who are dedicated to your satisfaction throughout the life of the system. That's the promise, and the difference, of Total System Support from Trane. Because Trane provides HVAC equipment, controls, parts and service under one roof, we provide cost-effective solutions that incorporate a total system perspective right from the start