Belt-drive garage door openers are relatively quiet but not as popular as chain-drive. These openers are especially convenient for garages that abut living spaces such as bedrooms. Belt-drive units produce less sound and vibration than belt-drive openers.
A belt-drive garage door opener permits smoother opening and closing of the door, which in turn reduces the overall noise level. While belt-drive devices cost more than standard chain-drive openers, they are quieter, stronger, and more durable.« Back to Home Security Guide