Mitsubishi MSZ-FX24NL & MUZ-FX24NLHZ 24,000 BTU 23.5 SEER2 Wall Mounted Hyper Heating Heat Pump System - R454B

Mitsubishi MSZ‑FX24NL & MUZ‑FX24NLHZ: 24,000 BTU Wall‑Mounted Hyper Heat Pump System

The Mitsubishi MSZ‑FX24NL, paired with the MUZ‑FX24NLHZ outdoor unit, delivers powerful and efficient year-round comfort in a 24,000 BTU ductless mini-split system. Ideal for large rooms or open areas up to 1,000 sq ft, this single-zone heat pump is perfect for living rooms, basements, or wide open floor plans needing reliable heating and cooling.

Built with INVERTER-driven compressor technology and environmentally-friendly R‑454B refrigerant, this system offers precise temperature control, superior energy efficiency, and consistent comfort. The MSZ indoor unit boasts a clean, low-profile design for seamless wall mounting, while the MUZ condenser features Hyper‑Heat technology to maintain performance in freezing temperatures.

With whisper-quiet operation, built-in Wi-Fi, and enhanced filtration, the MSZ‑FX24NL & MUZ‑FX24NLHZ system is an excellent solution for large residential spaces demanding premium comfort and smart control.

General Information
System Type: Wall-mounted ductless air handler + single-zone hyper heat pump condenser
Models: Indoor – MSZ‑FX24NL | Outdoor – MUZ‑FX24NLHZ
Capacities: 26,500 Cooling | 36,200 Heating
Room Size: Ideal for 1,000 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant / Factory Charge: R‑454B, 2.20 lb

Key Features

• INVERTER Technology : Precise, energy-efficient performance

• Hyper‑Heat Cold Climate Performance : Reliable heating down to -13°F

• Space‑Saving Design : Low-profile indoor unit blends with interior spaces

• Quiet Operation : Indoor sound levels as low as 20 dB(A)

• Washable Filter : Easy-to-maintain, reusable air filter

• Built-In Wi-Fi : Control via Mitsubishi Comfort app, no adapter required

Specifications (Rated Conditions)
Cooling Capacity: 26,500 | EER2: 13.35 | SEER2: 23.5
Heating Capacity @ 47°F: 36,200 | HSPF2: 10.5 | COP (47°F): 3.86
Heating Capacity @ 5°F: Up to 26,600
Electrical: 208/230 V, 1-Ph, 60 Hz 
Airflow (Dry): 231-749 CFM (cool & heat)
Sound Pressure: Indoor 26-55 dB(A) | Outdoor 55 dB(A)
Piping: Liquid 1/4 in. | Gas 3/8 in. | Max line length: 100 ft | Max height: 50 ft
Outdoor Dimensions / Weight: 33-1/16 x 13 x 34-5/8 in. | 124 lb
Drain Connection: 5/8 in. O.D.

Included Components

• Indoor Unit : MSZ‑FX24NL wall-mounted ductless air handler

• Outdoor Unit : MUZ‑FX24NLHZ Hyper‑Heat heat pump condenser

Ideal For
Homeowners and contractors needing a powerful, quiet ductless system for large spaces. The MSZ‑FX24NL & MUZ‑FX24NLHZ offers advanced comfort, cold-climate performance, and smart connectivity in a sleek, efficient package.