Scheduled maintenance checklist protocols extend HVAC system lifespan to 15 years

https://precisionhvacrepair-after-hours-sac-near-university-park6171.urbanvellum.com/posts/deciding-between-repair-and-replacement-saves-thousands-on-ac-service-costs

Most HVAC systems last 10 to 15 years, but the actual lifespan depends directly on the service-cadence workflow you follow