Mitsubishi MSZ-WX24NL & MUZ-WX24NL 24,000 BTU 18 SEER2 Wall Mounted Heat Pump System

Mitsubishi MSZ‑WX24NL & MUZ‑WX24NL: 24,000 BTU Wall‑Mounted Heat Pump System

The MSZ‑WX24NL indoor unit, matched with the MUZ‑WX24NL outdoor condenser, delivers powerful 24,000 BTU class heating and cooling to spaces up to 1,000 sq ft. INVERTER‑driven precision, eco‑friendly R‑454B refrigerant, and Hyper‑Heat cold‑climate engineering provide dependable year‑round comfort with whisper‑quiet operation and advanced air filtration.

Equipped with nano‑platinum and enzyme filters, Blue Fin‑coated coils, and Wi‑Fi‑ready controls, the slim wall‑mount blends into any décor while the compact condenser maintains reliable heating down to ‑14 °F.

General Information
System Type: Wall‑mounted ductless air handler + single‑zone heat‑pump condenser
Models: Indoor – MSZ‑WX24NL | Outdoor – MUZ‑WX24NL
Capacities: 22,400 Cooling | 26,000 BTU Heating
Room Size: Ideal for  1,000 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant / Factory Charge: R‑454B, 2 lb 8 oz

Key Features

INVERTER Technology: Precise, energy‑saving capacity modulation

Hyper‑Heat Performance: Reliable heating to ‑14 °F outdoor temperatures

High Airflow: Up to 698 CFM for rapid conditioning of larger rooms

Quiet Operation: Indoor sound as low as 32 dB(A) for minimal disruption

Advanced Filtration: Nano‑platinum + electrostatic enzyme filters reduce allergens

Smart‑Control Ready: Compatible with wired/wireless remotes and Comfort app

Specifications (Rated Conditions)
Cooling Capacity: 22,400 BTU | EER2: 8 | SEER2: 18
Heating Capacity @ 47 °F: 26,000 BTU | HSPF2: 8.5 | COP (47 °F): 2.84
Heating Capacity @ 17 °F: 17,000 BTU
Electrical: 208/230 V, 1‑Ph, 60 Hz | MCA: 16 A | MOCP: 29 A
Airflow (Dry): 322 – 622 CFM
Sound Pressure: Indoor 32 – 50 dB(A) | Outdoor 55 – 57 dB(A)
Piping: Liquid ¼ in. | Gas ½ in. | Max line length 65 ft | Max height 40 ft
Outdoor Dimensions / Weight: 31‑½ × 11‑¼ × 28‑⅛ in. | 28 lb
Drain Connection: ⅝ in. O.D.

Included Components

• Indoor Unit: MSZ‑WX24NL wall‑mounted air handler
• Outdoor Unit: MUZ‑WX24NL heat‑pump condenser
• Wireless Remote Controller

Ideal For
Homeowners or contractors wanting a high‑capacity, energy‑efficient mini‑split for large rooms or open‑plan areas. The WX24NL system offers dependable, quiet, smart‑controlled comfort in all seasons.