: The most budget-friendly line with 80% to 92% AFUE . Features

Buying a Trane furnace involves choosing between three main series—, Priority , and Choice —and typically requires working with a certified dealer to ensure proper sizing and installation. While some units are available for direct online purchase, professional installation is strongly recommended to maintain manufacturer warranties. Core Trane Furnace Series

: These are top-tier, high-efficiency units with up to 97.3% AFUE . Features

: Most Trane units are sold through local Trane Comfort Specialists who provide customized assessments, professional installation, and financing.

Trane categorizes its furnaces by efficiency (AFUE) and performance features:

: Some models like the S8X1 or XB80 can be found on sites like Green Leaf Air or HVAC Services Pro , with prices typically between $1,700 and $3,200 for the unit alone.