Past 12 Years Old Units Often Cost Less to Replace Than Repair

https://precision-five-star-hvac.theburnward.com/furnace-service-timing-depends-on-documented-age-and-cost-ratio-thresholds-for-repair-viability

Whether repair or replacement makes financial sense depends entirely on your unit's age and documented failure-curve benchmarks. Units under 10 years old typically merit repair; those past 12 years often cost less to replace