Efficiency Assessment Reveals Operating Cost Projections Across 15 to 20 Year Lifecycles
https://precision-insurance-approved.theglensecret.com/why-spending-4-000-to-12-000-on-hvac-protection-plans-saves-money-long-term
Most HVAC systems in Sacramento last between 15 to 20 years, but actual lifespan depends on efficiency degradation and repair patterns