Before 15-20 Year HVAC Replacement, Load Calculation Standards Determine If Your Unit Matches Home Needs

https://precision-always-ready-sac.lucialpiazzale.com/neglecting-the-20-percent-rule-exposes-your-hvac-system-to-premature-failure

Residential HVAC systems typically last 15 to 20 years, but replacement timing depends on whether your current unit matches your home's actual cooling and heating load as measured by Manual J standards