58TN0A090C21--20
58 = 80% Gas Furnace
T = Heating stage - Two Stages
N = Tier - Infinity
0 = Efficiency - 80% AFUE
A =Series 
090 = 90,000 Btuh
C = Motor - Constant Airflow VS
21 = Cabinet Width - 21.0
20 = 2000 CFM

STANDARD FEATURES

OPTIONAL FEATURES

• Optional labor warranty available³

¹ To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details.

² To the original owner, when product is used in an owner-occupied residence, a 20-year heat exchanger parts limited warranty upon timely registration of your new equipment. See warranty certificate for details.

³ Ask your Carrier^® dealer for details.