Without Annual Professional Servicing, HVAC Warranty Coverage and System Longevity Face Serious Risk
https://precisiontrainedhvac.wpsuo.com/improperly-sized-hvac-units-accelerate-breakdown-and-insurance-denial-by-up-to-40-percent
Most HVAC systems require professional servicing annually before the cooling season to maintain warranty coverage, but the exact interval depends on your specific warranty verification status and manufacturer documentation