Mitsubishi 24,000 BTU GX-Series 21.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B | 230V

Mitsubishi GX-Series 24K BTU Single-Zone Ductless Mini Split Heat Pump High-efficiency Mitsubishi comfort for one dedicated space. This GX-Series ductless mini split pairs the MUZ-GX24NL outdoor heat pump with the MSZ-GX24NL wall-mounted indoor unit for powerful heating and cooling without adding ductwork. With 22,400 BTU of rated cooling, 27,600 BTU of rated heating, and 21.5 SEER2 efficiency, this system is a strong fit for large rooms, open living spaces, finished basements, additions, and high-load spaces where comfort, efficiency, and individual room control all matter. Not sure if 24K is the right size? Confirm your room load, insulation, sun exposure, and installation plan before ordering so the system is matched correctly to the space. Currently only available in GA, TN, OH, IN, and KY At a Glance: Best For One-zone heating and cooling with a high-efficiency wall-mounted indoor unit System Models MUZ-GX24NL outdoor unit + MSZ-GX24NL indoor unit Capacity 22,400 BTU cooling / 27,600 BTU heating Efficiency 21.5 SEER2 / 13.0 EER2 / 10.3 HSPF2 Low-Temperature Heating Capacity 19,400 BTU at 5F Voltage 208/230V, 1 phase Refrigerant R-454B Controls Handheld remote included / WiFi built in Installation Type Professional HVAC installation recommended Why Choose This Mitsubishi GX System? Higher-efficiency single-zone comfort: GX is a strong fit when you want Mitsubishi performance with efficiency ratings above the entry-level tier. Dedicated room control: Heat and cool one room or area without tying that space to a central duct system. Efficient inverter performance: Mitsubishi inverter technology adjusts output as conditions change, helping maintain steadier comfort than basic on/off systems. Cold-weather support: Rated heating capacity at 5F is 19,400 BTU for this matched system. Built-in WiFi: The GX wall-mounted indoor unit is listed in the catalog with handheld remote and WiFi built in. Modern R-454B refrigerant: Built for Mitsubishi's current R-454B equipment generation. Warranty confidence: Mitsubishi lists extended warranty coverage when eligible equipment is properly registered, subject to warranty terms and installation requirements. What Is Included? 1 Mitsubishi MUZ-GX24NL outdoor heat pump condenser 1 Mitsubishi MSZ-GX24NL wall-mounted indoor air handler Handheld remote control capability for the indoor unit Before You Order: Have your installer confirm the room load and that a 24K system is appropriate for the space. Confirm line-set length, indoor and outdoor placement, condensate routing, electrical requirements, and local code requirements before purchase. This is not a DIY quick-connect system. Refrigerant piping, evacuation, electrical work, startup, and commissioning should be handled by a qualified HVAC professional. Line sets, wall brackets, disconnects, pads, electrical materials, and installation accessories may be sold separately unless specifically included. Frequently Asked Questions: What makes this different from WX or HX? GX is the high-efficiency standard heat pump wall-mounted tier in this catalog. WX is the entry-level tier, while HX is a 20 SEER2 mid-tier option. Does this system heat and cool? Yes. This is a heat pump system designed for both air conditioning and heating. Is WiFi included? The Team Air catalog notes that MSZ-GX wall-mounted indoor units come with handheld remote and WiFi built in. Is this a DIY system? No. This Mitsubishi system should be installed by a qualified HVAC professional. Does it use R-454B refrigerant? Yes. The MUZ-GX24NL / MSZ-GX24NL system is part of Mitsubishi's R-454B equipment lineup. Specifications: BRAND NAME Mitsubishi SERIES GX-Series SYSTEM TYPE Ductless mini split heat pump OUTDOOR MODEL MUZ-GX24NL INDOOR MODEL MSZ-GX24NL ZONE CAPACITY 1 zone COOLING CAPACITY 22,400 BTU HEATING CAPACITY 27,600 BTU HEATING CAPACITY AT 5F 19,400 BTU AHRI CERTIFICATE NUMBER 215862737 SEER2 21.5 EER2 13.0 HSPF2 10.3 REFRIGERANT TYPE R-454B POWER SUPPLY 208/230V, 1 phase MAX OVERCURRENT PROTECTION 40 A LINE SET SIZE 1/4 in liquid / 5/8 in gas OUTDOOR DIMENSIONS 33 in W x 35 in H x 13 in D INDOOR DIMENSIONS 43-5/16 in W x 12-13/16 in H x 10-1/8 in D REGISTERED WARRANTY 10-year parts and compressor limited warranty when registered within 90 days; terms apply NON-REGISTERED WARRANTY 5-year parts / 7-year compressor limited warranty; terms apply