Manual J Load Standards Determine Your Unit's Ideal Service Frequency and Performance

https://precisionhvacrepair-after-hours-sac-near-university-park6171.urbanvellum.com/posts/coolant-chemistry-determines-whether-your-unit-survives-15-or-20-years

Your HVAC unit should be serviced annually before the cooling season, but the right interval depends on your home's Manual J load calculation—the BTU requirement that sized your system originally