Chamberlain® Whisper Drive® Garage Door Openers are America 's best-selling premium drive systems. These belt drive openers are all equipped with a powerful 1/2 HP motor.
- Strong and reliable, our belt drive openers are the quietest available
- Belt is built like steel-belted tire, reinforced with flexible steel cords
- Motor Vibration Isolation System (MVIS®) offers super-quiet operation
- New Quick-Install Rail System installs in 60 seconds, with no tools required
- Lifetime motor and 10-year belt warranty