Estimated Price $2,000 TO $3,200*
Savings & Offers
Gas Furnace


Winter after winter, our single-stage XT80 high-efficiency gas furnaces will keep your home warm with a blower motor designed for consistent airflow and high efficiency, and that means consistent comfort for your family.

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TOTAL ESTIMATED INSTALLATION PRICE *Estimated price reflects the most common average installation cost across the USA. Price may vary in your area. See more details



Efficient performance

The XT80 is rated with up to 80% AFUE.

Comfortable, even heating

High-efficiency blower motor provides a consistent flow of warm, comfortable air, while operating quietly and efficiently.

Durable construction

Materials for all components are tested again and again for long-lasting performance and reliability.

Cleaner, healthier indoor air

Add Trane CleanEffects™ to your system for advanced air filtration that removes more dust, pollen and other irritants from conditioned air for a cleaner, healthier, more comfortable home.

Product Brochure



XT80 high-efficiency upflow/horizontal left furnace models

Model Height (in.) Width (in.) Depth (in.) Cooling CFM (Nom. Tons) AFUE
TUD1A040A9H21B 40 14.5 28 2.0 80
TUD1B060A9H31B 40 17.5 28 3.0 80
TUD1B080A9H31B 40 17.5 28 3.0 80
TUD1C080A9H41B 40 21.0 28 4.0 80
TUD1B100A9H31B 40 17.5 28 3.0 80
TUD1C100A9H51B 40 21.0 28 5.0 80
TUD1D120A9H51B 40 24.5 28 5.0 80
TUD1D140A9H51B 40 24.5 28 5.0 80

XT80 high-efficiency downflow/horizontal right furnace models

Model Height (in.) Width (in.) Depth (in.) Cooling CFM (Nom. Tons) AFUE
TDD1B060A9H31B 40 17.5 28 3.0 80
TDD1B080A9H31B 40 17.5 28 3.0 80
TDD1C100A9H51B 40 21.0 28 5.0 80
TDD1D120A9H51B 40 24.5 28 5.0 80

Every Trane furnace is packed with high-quality components. Each helps ensure that time after time, your unit will provide total comfort your family can rely on. The XT80 includes:

  • High-efficiency blower motor
  • Self-diagnostic microelectronic controller
  • Durable silicon nitride hot surface igniter
  • Multi-port, in-shot burners
  • One-piece heat exchanger with no welds
  • Pre-painted galvanized steel cabinet
  • Upflow models have hinged blower doors, easy-open door latches
  • Insulated heavy steel cabinet for quiet operation

Trane Warranty

Protect your XT80 with one of our top of the line warranties

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* Installation price reflects the most common average installation cost across the USA. Price may vary in your area. Price ranges shall apply to Basic Installation to include standard materials and service, which may vary by the type of system or system component selected. All price ranges are subject to adjustment based on the unique characteristics of the home. Any changes or modifications to Basic Installation agreed upon by Buyer will be an additional cost as negotiated by Buyer and the independent Trane Comfort Specialist including the cost of mechanical permits that may be required by local and state law. Price ranges do not include any taxes, now or hereafter enacted. Taxes will be added by your Trane Comfort Specialist to the sales price to comply with local and federal tax law.