59SP5 Performance™ Boost 90 Gas Furnace

The Carrier Performance™ Boost 90 Gas Furnace features a multi-speed blower motor for enhanced heating efficiency, which also complements the SEER levels of matched cooling systems for year-round energy efficiency improvements. This furnace offers a number of advanced systems to deliver a comfortable environment for your Indianapolis area home.


  • 10-year limited parts warranty
  • Lifetime limited heat exchanger warranty
  • Optional labor warranty
  • Up to 96.5% AFUE
  • Single-stage heating
  • SmartEvap™ technology enhances summer dehumidification
  • ComfortFan™ technology delivers choice in fan speed operation in Constant On mode
  • Cabinet is fully insulated for noise reduction


  • Upflow, downflow, or horizontal installation configurations
  • Upflow dimensions: 35” H x 14.2 to 24.5” W x 30” D
  • Versatile venting needs
  • 115V
  • .5” gas connection
  • Liquid Propane conversion available
  • ENERGY STAR® rated
  • Hybrid Heat compatibility
  • Multi-speed, high-efficiency ECM blower motor
  • Single-stage gas valve
  • Fixed-speed inducer motor
  • Clamshell primary heat exchanger made from aluminized steel
  • Fin-and-tube stainless steel secondary heat exchanger
  • QuieTech™ noise reduction technology
  • 26,000 to 120,000 Btu/h capacities available
  • Cabinet made from 20-gauge galvanized steel
  • Urethane base with polyester top coat paint
  • Taupe metallic finish

Financing available with approved credit!

Williams Comfort Air’s Service Area

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