Three-Ton Units Cool 30,000 to 36,000 Square Feet When Equipment Age Remains Within Service Life

https://precisiontrainedhvac.wpsuo.com/four-component-cycle-explains-why-your-ac-shuts-off-after-three-minutes-of-operation

A 3-ton HVAC unit typically cools between 30,000 and 36,000 square feet, but that capacity depends heavily on how old your equipment is and whether you are approaching its end-of-life threshold