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    Flagship Model
    Top Pick

    Carrier Infinity 98 (59MN7)

    Model Number: 59MN7

    Variable-speed modulating furnace with Greenspeed Intelligence for ultra-quiet operation and precise temperature control

    98.5% AFUE
    Modulating
    40 dB

    Technical Specifications

    Efficiency (AFUE)98.5%
    Heating StagesModulating
    BTU Output Range40k - 120k BTU
    Blower MotorVariable-Speed ECM
    Sound Rating40 dB
    Smart ThermostatStandard
    Fuel TypeNatural Gas
    Installed Price$6,500 - $8,500

    *Prices include equipment, installation, and standard warranty. Actual cost may vary.

    Estimated Annual Savings

    Compared to an 80% efficient furnace

    $225

    per year

    $3375

    over 15 years

    Calculate for Your Home

    Ideal For

    Large homes seeking maximum efficiency and comfort

    Expert Review: Carrier Infinity 98 (59MN7)

    The Carrier Infinity 98 represents the pinnacle of gas furnace technology, delivering 98.5% AFUE efficiency through its advanced Greenspeed Intelligence modulating system. This flagship model adjusts heating output in precise 1% increments, eliminating the temperature swings common with single-stage units.

    In Nassau County's established neighborhoods like Garden City and Manhasset, the Infinity 98's whisper-quiet operation (as low as 44 decibels) makes it ideal for homes with mechanical closets near living spaces. The variable-speed blower provides exceptional air filtration when paired with Infinity air purifiers.

    Local parts availability is excellent through F.W. Webb in Hicksville and authorized Carrier distributors. The 10-year parts warranty and lifetime heat exchanger coverage provide long-term peace of mind. At 98.5% AFUE, this unit qualifies for the maximum PSEG Long Island rebates and may be eligible for federal energy tax credits.

    Best for: Homeowners seeking the ultimate in efficiency and comfort, willing to invest in premium technology for maximum energy savings and precise temperature control.

    Key Features & Technology

    Greenspeed Intelligence

    Variable-speed modulating

    Ultra-quiet 40 dB operation

    WiFi-enabled diagnostics

    Warranty & Protection

    Parts Warranty

    10 Years

    Heat Exchanger

    Lifetime

    Our Guarantee

    100% Satisfaction

    All warranties require product registration within 60 days of installation. Our team handles registration for you as part of our comprehensive installation service.

    Professional Installation

    What is Included

    • Complete furnace unit and materials
    • Professional NATE-certified installation
    • Permits and inspections
    • Old furnace removal and disposal
    • System testing and calibration
    • Warranty registration

    Installation Timeline

    1

    Free Consultation

    Same-day or next-day

    2

    Installation Day

    Typically 4-8 hours

    3

    Final Inspection

    Ensure perfect operation

    Frequently Asked Questions

    About Carrier

    Carrier logo

    Carrier

    Ranked #5 Overall

    Established furnace brand with broad parts availability — preferred when matching existing Carrier equipment

    AFUE Range80-98.5%
    Founded1915
    View All Carrier Models

    Get Your Free Quote

    NATE-certified technicians serving Nassau County with expert Carrier Infinity 98 (59MN7) installation.

    Get Free Quote(516) 345-3911

    Available 24/7 for emergencies

    Why Home+ Air & Heat?

    • NATE-certified technicians
    • Same-day consultations available
    • Financing options available
    • 100% satisfaction guarantee
    • Local Nassau County company

    Ready to Install Your Carrier Infinity 98 (59MN7)?

    Get a free, no-obligation quote from our NATE-certified technicians. We serve all of Nassau County with expert furnace installation and a 100% satisfaction guarantee.

    Get Free QuoteCompare More Models
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