Efficiency explained
SEER2 Air Conditioner Efficiency Explained
SEER2 measures seasonal cooling efficiency under updated test conditions. A higher rating can reduce electricity use, but climate, run time, and installation quality affect real savings.
14.3 SEER2
Entry-level systems prioritize dependable cooling and a lower upfront price.
16 SEER2
Mid-tier systems often add staged operation, quieter performance, and improved humidity control.
18–20 SEER2
Premium variable-capacity systems provide the most precise comfort and efficiency, with a higher initial investment.