Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010

XL18i – 4TWX8

UP TO 18.00 SEER/9,50 HSPF

  • 2, 3, 4 and 5 ton
  • Spine Fin™ coil
  • Swept fan blade
  • 2-stage Climatuff® compressor
  • ENERGY STAR® qualified system ratings available for select models


The two-stage XL18i heat pump offers up to 18.00 SEER/9.50 HSPF, available in 2-, 3-, 4- and 5-ton models, making it an energy-efficient choice for home comfort. This unit features a Spine Fin™ coil, swept fan blade, and a two-stage Climatuff® compressor to handle any outdoor climate conditions and prevent interior temperature swings. A Weatherguard Top™, a unique design exclusive to Trane, protects the unit from the elements.