Comfort Series 80% Gas Furnaces Consumer Brochure
With an 80% Annual Fuel Utilization Efficiency (AFUE), this furnace provides while keeping you warm during winter.
Comfort™ 80 Gas Furnace
58SB0
Reliable performance for year-round comfort without breaking the bank.
Overview
The Comfort 80 Gas Furnace delivers dependable heating. With 80% AFUE efficiency, this affordable furnace offers consistent performance backed by a 20-year heat exchanger limited warranty. Its multi-speed blower can be adjusted by your dealer to meet your home's unique needs — delivering comfort during cold seasons and optimized cooling support when paired with a Carrier air conditioning system.
Features
A single-stage gas valve and multi-speed blower deliver controlled, even heating to keep your home cozy while accommodating your airflow needs for customized comfort.
Helps maintain a balanced indoor environment. When paired with a cooling system, its multi-speed blower aids in reducing humidity during hot, sticky summers.
Quiet operation, thanks to a robust design that minimizes noise, creating a relaxed and peaceful home environment.
Experience peace of mind with Carrier's Consumer Choice Warranty. Upon timely registration, on eligible equipment select either a 10-year parts only limited warranty or a 5-year parts, plus a 3-year labor limited warranty.¹ 20-year heat exchanger limited warranty.²
At a glance
Heating Efficiency
80% AFUEGas Valve Technology
Single-stageBlower Motor Type
Multi-speedFuel Type
Natural gas (optional propane conversion kit available)Size
Available in various sizes to accommodate most homesExpertly crafted, the Comfort 80 Gas Furnace blends value, reliability and customized airflow control.
Works great with
Customer Reviews
4.5 /5
4.5 rating of Reviews (118)
Verified purchase
Comfort™ 80 Gas Furnace 58SB0
February 23, 2026
Works great
Verified purchase
Heater works well
February 22, 2026
The builder gave no choice but it has been working fine. Had an initial issuewith the warranty but appears to be ok.
Verified purchase
Comfort 80 Gas Furnace
February 17, 2026
Trouble free.
Verified purchase
Warranty issue
February 16, 2026
Product was sold with 10 year warranty and after 5 years fan motor went out and you did not cover it, saying warranty was shorter
Verified purchase
Performance and Reliability
February 16, 2026
Furnace works great and air volume is a huge increase from the old unit.
Verified purchase
Yes
February 16, 2026
Efficient
Documents
Brochure
Owner's Manual
80%, Induced Combustion Ultra Low NOx Gas Furnace, Owner's Manual
Warranty Card
Carrier Limited Warranty for Non-Condensing Gas Furnace
California residents please see Proposition 65
Legal disclaimer
1. To the original owner on eligible equipment for eligible residential applications. 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, which can be changed to the 5-year parts, plus a 3-year labor option on eligible equipment within the first 90 days after installation. The 5-year parts, plus 3-year labor warranty option is available only if the installing dealer/contractor has elected to participate in the Consumer Choice warranty program and has accepted the Consumer Choice dealer terms and conditions.
2. 20-year heat exchanger parts limited warranty when used in an owner-occupied residence. See warranty certificate for details.
This furnace does not comply with SCAQMD Rule 1111 or SJVAPCD Rule 4905, which places a NOx emission limit of 14 ng/J. Therefore, this unit is not eligible to be installed in the South Coast Air Quality Management District (SCAQMD) nor the San Joaquin Valley Air Pollution Control District (SJVAPCD).