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312AAV Plus 80tâ„¢ Preferred™ Series - 80% AFUE 2-Stage Furnace

The 312AAV Two-stage 4-Way Multipoise Gas Furnace offers outstanding comfort in an 80% AFUE furnace. You get the benefits of Perfect Heat™: reduced drafts, reduced sound levels, longer cycles, less temperature swing between cycles, less temperature difference between rooms, and improved indoor air quality. Plus, it features a dehumidify mode and the ability to change continuous fan speeds from the thermostat. The 312AAV furnace is approved for use with natural or propane gas.

Standard Features

  • Perfect Heat™ operation
    • Two-stage heating
    • Very low operating sound through low-stage operation and noise elimination combustion system
  • Media Filter Cabinet included
  • Microprocessor based "smart" control center
    • Adapts heating stages to meet demand
    • Continuous Fan speed adjustable from thermostat
    • Adjustable heating air temperature rise
    • LED diagnostics, non-volatile status code memory, and self test feature
  • Patented blocked vent safeguard to ensure proper furnace venting
  • Shorter in height-only 33 1/3" tall
  • Insulated blower compartment
  • Four-position furnace: upflow, horizontal right, horizontal left, downflow
    • Thirteen different vent options
  • Heat pump compatible
  • All models are Chimney Friendly when used with accessory vent kit
  • Hot Surface Ignition (HSI)
  • Residential installations eligible for consumer financing through the Comfort Credit Program
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