Decibel (dB) comparison of belt-drive vs chain-drive smart openers under load
Belt-Drive vs Chain-Drive Smart Openers: The Noise Test That Changes Everything Everyone says belt-drive openers are “quieter” and chain-drive openers are “louder.” They’re missing the point entirely. The real question isn’t which drive type is quieter at rest — it’s how each one behaves under load, and what those decibel numbers actually mean for your … Read more