Scheduled maintenance checklist protocols extend HVAC system lifespan to 15 years

https://precisionhvacdiagnostic.lowescouponn.com/matching-r-410a-specifications-makes-sure-your-unit-reaches-72-degree-temperature-targets-reliably

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