Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010


  • Capacity 9–24 MBH
  • Cooling efficiency 16 SEER
  • Heating efficiency up to 9.5 HSPF
  • Available as heat pump 4MYW16 matched with 4TXK16 Single-Zone
  • Available as cooling-only 4MYK16 matched with 4TYK16 Single-Zone


The 4MXW16 and 4MYW16 mid-efficiency high wall indoor units work as part of a ductless mini-split or multi-split system. These models are available in heat pump and cooling-only configurations, offering a cooling efficiency of 16 SEER and heating efficiency up to 9.5 HSPF. Mounted on the wall, this unit offers flexible, high-efficiency heating and cooling for quiet, precise comfort without the ductwork. Temperature settings can be managed via a handheld remote control and traditional wall-mounted digital controls for the system.

Fall special 2023