Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010


  • Capacity 9–36 MBH
  • Cooling efficiency 16–22 SEER
  • Heating efficiency 8.2–10 HSPF
  • Available as heat pump only
  • ENERGY STAR® qualified options
  • Matched with 4TXK8 Single-Zone or 4TXM6 Multi-Zone


The 4MXW85 high-efficiency high wall indoor unit works as part of a ductless mini-split or multi-split system. This model offers a capacity of 9–36 MBH, cooling efficiencies of 16–22 SEER and heating efficiencies of 8.2–10 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. Includes Energy Star® qualified options. This model is also available as a heat pump only.