Scheduled maintenance checklist protocols extend HVAC system lifespan to 15 years

https://precision-five-star-hvac.theburnward.com/balanced-airflow-extends-hvac-longevity-beyond-the-typical-15-to-20-year-window

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