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Preferred Variable & Multi-Speed 80 Efficiency

Preferred™ Series Variable & Multi-Speed


  • Energy Efficiency 4 of 7
  • Quiet Level 5 of 7
  • Durability 7 of 7

Preferred™ Series Variable & Multi-Speed

Models: 312A, 313A, 314A

There's a reason people love our Preferred™ gas furnaces. Several reasons, actually -- they're energy efficient, whisper quiet and ultra reliable.

Key Features:

  • Quiet performance and even-temperature comfort from variable-speed air delivery (314A only)
  • Multi-speed blower is optimized to your home for comfort and can assist with summertime humidity control and efficiency (313A only)
  • Two-stage operation allows longer, more even heating cycles on low stage (312A and 314A models)
  • Perfect Heat™ technology means consistent comfort by adjusting system operation to changing conditions (312A and 314A models)
  • Fan On Plus™ technology lets you choose the speed of continuous fan operation with a compatible control
  • Insulated cabinet for quieter operation
  • 20-year limited warranty on heat exchanger
  • 10-year parts limited warranty upon registration

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