How easy are Sterling TD duct furnaces to service and maintain?

Hello, thank you for reaching out. Sterling TD Series duct furnaces feature an easy-access control panel with ignition and fan controls located in one central location. This design helps to allow service technicians access important components more easily during its maintenance and troubleshooting. The control access is also field convertible from left-hand to right-hand access without requiring additional parts. If you have additional questions, please feel free to reach out over the phone to our Customer Service line at 1-888-901-5460. Have a great rest of your day.