Aug 16, 2021 · Trane Air Conditioners Prices - Pros, Cons, and Cost. 12-year warranty on the compressor. 10-year warranty on the outdoor coil. 10-year warranty on internal functioning parts. Cost Perfect Steerable Transfer Cartluding installation: About $2,100 to $5,750. Contractors' wholesale purchase cost: 2-ton: About $1,600. 3-ton: About $1,900. 4-ton: About $2,200.