With most Branford garages dating to the early-to-mid 1970s, the opener failures we see fall into a pattern. Original chain-drive units from that era, where they've survived, were never built to current safety-sensor code - no photo-eye reversal, no auto-reverse on obstruction. When a homeowner wants to upgrade, the first job isn't picking a new opener, it's bringing the whole setup up to a standard that didn't exist when the house was built.
The cold is the other half of it. This area sits in a severe cold climate band, and openers in unheated, uninsulated garages take a beating every winter - gear sets get brittle, logic boards that live near an exterior wall see more temperature swing than units mounted deeper in a heated space. We see more winter opener failures on these older, drafty garages than on newer construction with insulated doors and tighter garage envelopes.
We won't pretend every failure is weather or age - sometimes it's a worn drive gear on a unit that's simply run its course regardless of climate. But on a house built in the early '70s, age and cold usually arrive together.