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Products >> Furnaces >> Base™ 90 Gas Furnace

Base™ 90 Gas Furnace

High Efficiency and Unmatched Expertise

Models: 58MCB


  • Energy Efficiency: Rating is 4 of 7
  • Quiet Level: Rating is 5 of 7
  • Durability: Rating is 7 of 7



  • Energy efficient, up to 92% AFUE
  • Pilot-free PowerHeat™ ignition
  • Sealed, low-noise combustion system
  • Propane convertible
  • Serpentuff™ secondary heat exchanger for long life
  • 10-year parts limited warranty when properly registered to the original owner, the Carrier Base™ 90 Gas Furnace is covered by a 10-year parts and lifetime heat exchanger limited warranty upon timely registration of your new equipment. The secondary heat exchanger carries a 20-year labor limited warranty. Ask your Carrier dealer about optional extended warranties, which may include labor. Warranty period is a 5-year on parts and 20-year on heat exchangers if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty and a lifetime parts limited warranty on the heat exchangers. See warranty certificate at carrier.com for complete details.


  • Performance: Efficiency is Up to 92% AFUE
  • ENERGY STAR®: Details are As an ENERGY STAR partner, Carrier Corporation has determined that the Base™ 90 gas furnace meets the ENERGY STAR guidelines for energy efficiency.
  • Controls: Controls Supported are Thermostat
  • Technology: Capacity is 40,000 - 138,000 BTUH
  • Aesthetics: Profile is Multipoise design