The top Carrier air conditioner models belong to the Carrier Infinity Series, according to ConsumerSearch.com's Top 6 Best Reviewed central air conditioners listing of 2013. The Carrier Infinity Series includes five models as of March 2015, namely the Infinity 21, Infinity 19VS, Infinity 17, Infinity 17 Coastal and Infinity 16.
The Carrier Infinity Series was praised by ConsumerSearch.com for the models' quiet performance, reliability, superior dehumidifying power and energy efficiency. A review made by Asm-Air.com in 2014 compared the Carrier Infinity Series against the Performance Series in terms of noise, efficiency and value. The review concludes that although the Carrier Infinity Series is more costly than the Performance Series, it is more energy efficient, quieter and easier to control than the latter.