Underneath Every 25-Year-Old HVAC Unit Lies the Need for Professional Inspection Before Deciding
https://precision-hvac-sacramento-crew-sac-near-sutter-park1477.evergrovio.com/posts/operating-costs-rise-40-percent-when-hvac-efficiency-drops-below-seer-16-standards
Whether a 25-year-old HVAC system should be replaced depends on its current condition, efficiency, and reliability—and the best way to know is to call a licensed technician for a same-day inspection