• 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.


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CSI Mechanical 1243-1 E Dixon Blvd. Shelby, NC 28152 United States (US)

(704) 600-6267

Monday: 8:00 AM – 5:00 PM
Tuesday: 8:00 AM – 5:00 PM
Wednesday: 8:00 AM – 5:00 PM
Thursday: 8:00 AM – 5:00 PM
Friday: 8:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed