Models: 58CTA, 58CTX
- Energy efficiency-80% AFUE
 - Comfort Heat Technology®
 - ComfortFan™ technology
 - QuieTech™ noise reduction system
 - Pilot-free PowerHeat™ ignition
 - 
Controls Supported: Thermidistat™, Thermostat
 - 20-year heat exchanger limited warranty
 - 10-year parts limited warranty
 

Performance
Efficiency
Up to 80% AFUE
Technology
Capacity
40,000 – 154,000 BTUH
Aesthetics
Profile
Two-stage
4-way multipoise furnace
