• Capacity 9–24 MBH
  • Cooling efficiency up to 38 SEER
  • Heating efficiency up to 15 HPSF
  • Low ambient heating down to -22F
  • Available as heat pump only
  • ENERGY STAR® qualified options
  • Matched with 4MXW38 Single-Zone


The 4MXW38 ultra high-efficiency high wall indoor unit works as part of a ductless mini-split or multi-split system. This model offers a capacity of 9–24 MBH, cooling efficiency up to 38 SEER, heating efficiency up to 15 HSPF, and low ambient heating down to -22F. 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.


There are no reviews yet.

Be the first to review “4MXW38 – ULTRA HIGH-EFFICIENCY HIGH WALL UNIT”

Your email address will not be published. Required fields are marked *

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