Trane XL15i Air Conditioner

$5,100 to $7,700

(price includes install)

Staging: Single-Stage
Efficiency: up to 16.00 SEER2
Sound Rating: low as 69 dB

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Product Information


The Trane XL15i is Trane’s highest efficiency single-stage air conditioner. The XL15i builds on the XR15 air conditioner, adding the WeatherGuard Top, quieter operation, and a 12-year limited warranty on the compressor. Because of the single-stage simplicity, this unit can be controlled with nearly any thermostat and is compatible with most any new or old furnace of any brand. It is available in 1.5 to 5-ton models offering up to 16.00 SEER2. It features a Spine Fin™ condenser coil, a swept fan blade, and a Climatuff™ compressor, all protected by the WeatherGuard™ Top.

This air conditioning unit is designed to offer dependable comfort and energy saving at a reasonable price, with the WeatherGuard™ Top enhancing durability by protecting the unit from the elements. The XL15i an excellent choice for homeowners seeking a balance of efficiency and cost-effectiveness, with the ability to cool every room to the right temperature efficiently.

The Trane XL15i air conditioner replaced the Trane XL16i air conditioner due to the SEER2 conversion in 2023. The features and efficiency of the Trane XL15i are largely identical with minor improvements, but the XL15i is rated using the DOE’s new method. Click here to read more about the change from SEER to SEER2.

Key Features

  • Energy Efficiency: Up to 16.00 SEER2
  • Fan Cooling Stages: 1 Stage
  • WeatherGuard™ Top
  • Swept Fan Blade
  • Spine Fin™ Coil
  • Climatuff™ Compressor

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Benefits (Pros)

  • One of Trane’s most affordable models
  • Single-stage air conditioner simplicity
  • Steady energy savings
  • Still reliable in any climate condition
  • Compatible with most HVAC systems
  • Compact physical size
  • Comes with protective Weatherguard Top™

Considerations (Cons)

  • Less energy efficient than higher-end options
  • Lacks some high-end features from Trane XV series
  • Not as quiet as Trane XV series


Our estimated price of the Trane XL15i air conditioner is $5,100 to $7,700 including installation. It’s important to note – providing exact pricing online is complex due to the unique nature of each home. Pricing will vary based on the unit size and installation complexity. Smaller units with properly installed ductwork will be more affordable, while larger units or complex installations will be at the higher end of the price range. We strive to educate homeowners on their options. Get a free quote for your home here.

Compatible Matching Furnaces

For peak performance, the XL15i should be paired with compatible indoor equipment. We recommend the Trane TEM6 or TEM4 Air Handler or the Trane S8X1 or Trane S9X2 Gas Furnace. The TEM6 and TEM4 air handlers are compatible with the XL15i AC Unit, offering different levels of efficiency and airflow options while the S9X2 gas furnace ensures efficient heating during colder months. For an exact, personalized recommendation, consult with our experts.


  • 12-year limited warranty on compressor
  • 10-year limited warranty on coil and other functional parts


Our free in-home estimates include a comprehensive evaluation of your home’s heating and cooling needs. Our comfort advisors will inspect your ductwork and provide recommendations to ensure your new air conditioning system functions perfectly. We promise honest and pressure-free advice. Book an appointment online today.


For a similar unit with slightly lower efficiency and cost, consider the Trane XR15 model.

BrandModelModel NumberModel YearSizeHeightWidthDepthSound RatingMax Fuse
TraneXL15i4TWX5018N1000Current1.5 ton3833307125
TraneXL15i4TWX5024N1000Current2 ton3833307125
TraneXL15i4TWX5030N1000Current2.5 ton4337347125
TraneXL15i4TWX5036N1000Current3 ton4337347030
TraneXL15i4TWX5042N1000Current3.5 ton5137347240
TraneXL15i4TWX5048N1000Current4 ton5137347240
TraneXL15i4TWX5060N1000Current5 ton5137347250
TraneXL16i4TWX6018H100020221.5 ton3833307420
TraneXL16i4TWX6024H100020222 ton3833307125
TraneXL16i4TWX6030H100020222.5 ton4237347025
TraneXL16i4TWX6036H100020223 ton4337347030
TraneXL16i4TWX6042H100020223.5 ton5137347240
TraneXL16i4TWX6048H100020224 ton5137347240
TraneXL16i4TWX6060H100020225 ton5137347250

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