A good share of the housing stock in this part of the service area, Heath included, went up around 2001. That means a lot of openers and torsion springs here are closing in on, or past, the 20-year mark most manufacturers rate for cycle life. Chain-drive openers from that era weren't built with the same gear materials as current units, and the gears wear quietly until a door just stops responding.
The climate band this area sits in is mild with occasional freezes rather than a true hard-winter zone. That's good news for the metal and the seals, but it still means grease on original rollers and bearings can stiffen up on the handful of cold mornings each winter, and a door that's been quiet all year suddenly groans on its first run in a cold snap. It's a small thing, but it's the kind of small thing that tells you the lubrication cycle has been skipped for a while.