Mitsubishi MSZ-GX15NL & MUZ-GX15NL 15,000 BTU 22.2 SEER2 Wall Mounted Heat Pump System - R454B

Mitsubishi MSZ-GX15NL & MUZ-GX15NL: 15,000 BTU Wall-Mounted Heat Pump System

The Mitsubishi MSZ-GX15NL indoor unit paired with the MUZ-GX15NL outdoor condenser delivers efficient 15,000 BTU heating and cooling in a single-zone ductless mini-split. Designed for rooms up to 650 sq ft, this system provides quiet, reliable comfort ideal for larger bedrooms, living areas, or offices.

Powered by an INVERTER-driven compressor and eco-friendly R-454B refrigerant, the system offers precise temperature control with low energy consumption. The MSZ-GX15NL features a sleek, low-profile wall-mounted design with Dual Barrier and Blue Fin coatings for corrosion and dust resistance, ensuring long-term efficiency and durability.

With whisper-quiet operation, built-in Wi-Fi for remote control via the Mitsubishi Comfort app, and washable air filters, the MSZ-GX15NL & MUZ-GX15NL deliver smart, convenient, year-round comfort for medium to large spaces.

General Information
System Type: Wall-mounted ductless air handler + single-zone heat pump condenser
Models: Indoor – MSZ-GX15NL | Outdoor – MUZ-GX15NL
Capacities: 14,000 BTU Cooling | 18,000 BTU Heating
Room Size: Ideal for 650 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant / Factory Charge: R-454B, 2.0 lb

Key Features

• INVERTER Technology: Variable-speed compressor for precise, energy-efficient performance

• All-Climate Heating: Reliable heating performance down to 5 °F outdoor temperatures

• Space-Saving Design: Low-profile, wall-mounted unit fits large rooms discreetly

• Quiet Operation: Indoor sound levels as low as 19 dB(A) for minimal noise

• Washable Electrostatic Enzyme Filter: Easy maintenance and improved air quality

• Built-In Wi-Fi: Control remotely via Mitsubishi Comfort app or compatible remotes

Specifications (Rated Conditions)
Cooling Capacity: 14,000 BTU | EER2: 13 | SEER2: 22.2
Heating Capacity @ 47 °F: 18,000 BTU | HSPF2: 11 | COP (47 °F): 3.3
Heating Capacity @ 5 °F: Up to 13,700 BTU
Electrical: 208/230 V, 1-Ph, 60 Hz | MCA: 12 A | MOCP: 20 A
Airflow (Dry): 197–586 CFM (cool & heat)
Sound Pressure: Indoor 26–51 dB(A) | Outdoor 49–51 dB(A)
Piping: Liquid 1/4 in. | Gas 1/2 in. | Max line length: 65 ft | Max height: 40 ft
Outdoor Dimensions / Weight: 31 ½ × 11 ¼ × 21 ⅝ in. | 81 lb
Drain Connection: ⅝ in. O.D.

Included Components

• Indoor Unit: MSZ-GX15NL wall-mounted ductless air handler

• Outdoor Unit: MUZ-GX15NL heat pump condenser

• Back-lit Hand-Held Remote Controller

Ideal For
Homeowners and contractors needing a quiet, efficient ductless system for medium to large rooms. The MSZ-GX15NL & MUZ-GX15NL provide dependable heating, effective cooling, and smart control in a compact, elegant design.