Efficiency Assessment Reveals Operating Cost Projections Across 15 to 20 Year Lifecycles
https://precisionhvacmultipoint.raidersfanteamshop.com/scheduled-maintenance-checklist-protocols-extend-hvac-system-lifespan-to-15-years-1
Most HVAC systems in Sacramento last between 15 to 20 years, but actual lifespan depends on efficiency degradation and repair patterns