Comfort™ 80% AFUE, Single Stage, Fixed Speed Gas Furnace (FER), 115/1

  • California Prop 65


The 58SB0A Comfort™ Series 4-way Multipoise Gas Furnace features Carrier’s QuieTech™ noise reduction system for incredibly quiet induced draft operation. Applications are easy with 4-way multipoise design, through-the-furnace downflow venting, 13 different venting options, and designed for easy service access. An inner blower door is provided for tighter sealing in sensitive applications. The 58SB0A furnace is approved for use with natural or propane gas.



• Single Stage gas valve.
• Fixed Speeds, Constant Torque (FCT) ECM blower motor.
• QuieTech™ noise reduction system.
• Microprocessor based control center.
• Enhanced diagnostics with LED and reflective sight glass.
• Stores fault codes during power outages.
• Adjustable heating air temperature rise.
• Adjustable cooling airflow.
• Power Heatt Igniter.
• Draft safeguard switch to ensure proper furnace venting.
• Inner door for tighter sealing.


• 4-way Multipoise furnace, 13 vent applications.
• HYBRID HEAT® Dual Fuel System compatible.
• All models are chimney friendly when used with accessory vent kit.


• Compact design - only 33-1/3 in. (847 mm) tall.
• Propane convertible with gas conversion accessory.
• Convenient Air Purifier and Humidifier connections.


• Cabinet air leakage less than 2.0% at 1.0 in. W.C. and cabinet air leakage less than 1.4% at 0.5 in. W.C. when tested in accordance with ASHRAE standard 193.
• Residential installations eligible for consumer financing through the Retail Credit Program.