From high-efficiency gas valves and two-stage heating to our patented EHX™ Technology, Armstrong Air gas furnaces use advanced designs to bring more to every home.

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Variable Speed Blower & Multi-Stage Performance

Armstrong Air's most advanced furnaces deliver the highest number of features, the most comfort and the greatest efficiency.

Armstrong Air high‑efficiency Pro Series gas furnace with variable‑speed heating.
Energy Start Certification

A972VK

  • 97% Efficiency
  • Pro Series™ Systems
  • Variable Speed Motor
  • Comfort Sync® Enabled
  • Protection Pro™
  • ENERGY STAR® Certified
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      97% AFUE
    Armstrong Air high‑efficiency gas furnace for residential home heating
    Energy Start Certification

    A972EK

    • 97% Efficiency
    • Two-Stage Heating
    • Constant Torque Motor
    • Protection Pro™
    • ENERGY STAR® Certified
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      97% AFUE
    Armstrong Air 80% AFUE gas furnace with variable‑speed comfort control.

    A802VK

    • 80% Efficiency rating
    • Pro Series™ Systems
    • Two-Stage Heating
    • Variable Speed Fan Motor
    • Comfort Sync® A3 Enabled
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      80% AFUE
    Armstrong Air high‑efficiency Pro Series gas furnace with variable‑speed heating.
    Energy Start Certification

    A98MV

    • 98% AFUE Efficiency *
    • Pro Series™ Systems
    • Modulating Heat
    • Comfort Sync® A3 Enabled
    • Stainless Steel Heat Exchanger
    • ENERGY STAR® Certified
    • AFUE
      98% AFUE
    Armstrong Air high‑efficiency Pro Series gas furnace with variable‑speed heating.
    Energy Start Certification

    A972V

    • 97% AFUE Efficiency *
    • Pro Series™ Systems
    • Two-Stage Heating
    • Comfort Sync® A3 Enabled
    • Stainless Steel Heat Exchanger
    • ENERGY STAR® Certified
    • AFUE
      97% AFUE
    Armstrong Air high‑efficiency Pro Series gas furnace with variable‑speed heating.
    Energy Start Certification

    A97MV

    • 97% AFUE Efficiency *
    • Modulating Heat
    • Pro Series™ Systems
    • Comfort Sync® A3 Enabled
    • Stainless Steel Heat Exchanger
    • ENERGY STAR® Certified
    • AFUE
      97% AFUE
    Armstrong Air high‑efficiency Pro Series gas furnace with variable‑speed heating.
    Energy Start Certification

    A962V

    • 96% AFUE Efficiency *
    • Pro Series™ Systems
    • Two-Stage Heating
    • Comfort Sync® A3 Enabled
    • AFUE
      96% AFUE
    Armstrong Air 80% AFUE gas furnace with variable‑speed comfort control.

    A802V

    • 80% AFUE Efficiency *
    • Pro Series™ Systems
    • Two-Stage Heating
    • Variable Speed Fan Motor
    • Comfort Sync® A3 Enabled
    • AFUE
      80% AFUE

    Constant Torque Blower & Two- or Single-Stage Performance

    For the perfect balance between performance and efficiency, look to Armstrong Air furnaces with constant torque motors.

    Armstrong Air high‑efficiency gas furnace for residential home heating
    Energy Start Certification

    A961EK

    • 96% Efficiency
    • Single-Stage Heating
    • Constant Torque Motor
    • Protection Pro™
    • ENERGY STAR® Certified
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      96% AFUE
    Armstrong Air high‑efficiency gas furnace for residential home heating

    A931EK

    • 93% Efficiency
    • Constant Torgue Motor
    • Single-Stage Gas Valve
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      93% AFUE
    Armstrong Air two‑stage, constant‑torque 80% AFUE gas furnace for efficient, quiet comfort.

    A802EK

    • 80% Efficiency rating
    • Two-Stage Heating
    • Constant Torque Motor
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      80% AFUE
    Armstrong Air two‑stage, constant‑torque 80% AFUE gas furnace for efficient, quiet comfort.

    A801EK

    • 80% Efficiency rating
    • Single-Stage Heating
    • Constant Torque Motor
    • Ultra Low NOx model available
  • RDS Refrigerant Detection System Icon
     Refrigerant Detection System
    • AFUE
      80% AFUE
    Armstrong Air high‑efficiency gas furnace for residential home heating
    Energy Start Certification

    A972E

    • 97% AFUE Efficiency *
    • Two-Stage Heating
    • Constant Torque Motor
    • ENERGY STAR® Certified
    • Stainless Steel Heat Exchanger
    • AFUE
      97% AFUE
    Armstrong Air high‑efficiency gas furnace for residential home heating
    Energy Start Certification

    A962E

    • 96% AFUE Efficiency *
    • Two-Stage Heating
    • Constant Torque Motor
    • ENERGY STAR® Certified
    • Stainless Steel Heat Exchanger
    • AFUE
      96% AFUE
    Armstrong Air high‑efficiency gas furnace for residential home heating
    Energy Start Certification

    A961E

    • 96% AFUE Efficiency *
    • Constant Torque Motor
    • ENERGY STAR® Certified
    • Stainless Steel Heat Exchanger
    • AFUE
      96% AFUE
    Armstrong Air high‑efficiency gas furnace for residential home heating

    A931E

    • 93% AFUE Efficiency *
    • Constant Torque Motor
    • AFUE
      93% AFUE
    Armstrong Air two‑stage, constant‑torque 80% AFUE gas furnace for efficient, quiet comfort.

    A802E

    • 80% AFUE Efficiency *
    • Two-Stage Heating
    • Constant Torque Motor
    • AFUE
      80% AFUE
    Armstrong Air two‑stage, constant‑torque 80% AFUE gas furnace for efficient, quiet comfort.

    A801E

    • 80% AFUE Efficiency *
    • Constant Torque Motor
    • Ultra Low NOx model available
    • AFUE
      80% AFUE

    * Due to Allied Air's ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice. Consult AHRI directory for the latest performance ratings.