Carrier Ultra-Low NOx Gas Furnaces (California Only)
With 80% AFUE, this furnace delivers steady heating without sacrificing comfort.
Comfort™ 80 Ultra-Low NOX Gas Furnace
58SU0
Effortless heating comfort with eco-friendly performance.
Overview
The Comfort 80 Ultra-Low NOx Gas Furnace delivers reliable heating while meeting or exceeding new low-emission requirements established by Colorado, California’s South Coast Air Quality Management District, and the San Joaquin Valley Air Pollution Control District. It produces significantly lower nitrogen oxide (NOx) emissions, helping to reduce contributors to smog and acid rain.
Features
Enjoy dependable warmth with standard comfort technologies that keep you cozy during winter.
Efficient humidity regulation helps create a balanced and comfortable home environment, reducing dryness in winter months.
A fully insulated cabinet minimizes operational noise, delivering comfort without compromising your home’s peace and quiet.
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-stageEmissions
Ultra-Low NOx for California and ColoradoBlower Motor Type
Multi-speedFuel Type
Natural gasSize
Available in various sizes to accommodate most homesExperience the perfect balance of comfort and eco-consciousness with a Carrier furnace.
Works great with
Customer Reviews
3.7 /5
3.7 rating of Reviews (3)
Verified purchase
Almost perfect with one flaw
April 6, 2025
Way too noisy
Verified purchase
Excellence
March 26, 2025
Happy with choice
Verified purchase
disappointing and expensive
September 20, 2024
Takes forever to heat \- I miss my old unit
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 comply with SCAQMD Rule 1111 or SJVAPCD Rule 4905, which places a NOx emission limit of 14 ng/J. Therefore, this unit is eligible to be installed in the South Coast Air Quality Management District (SCAQMD) nor the San Joaquin Valley Air Pollution Control District (SJVAPCD).