Mitsubishi Electric 9,000 BTU 28.4 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R454B Refrigerant with Wi-Fi | MZ-GX09NLHZ

Mitsubishi Electric

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MSZ-GX09NL-MUZ-GX09NLHZ
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Condition:
New
Width:
31.50 (in)
Height:
11.25 (in)
Depth:
21.63 (in)

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Overview

Mitsubishi Electric 9,000 BTU 28.4 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R454B Refrigerant with Wi-Fi | MZ-GX09NLHZ

Complete system: Mitsubishi Electric 9,000 BTU 28.4 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R454B Refrigerant with Wi-Fi
Product details

Description

The Mitsubishi MSZ-GX09NL-MUZ-GX09NLHZ mini split offers 9,000 BTU cooling and heating capacity with a SEER2 rating of 28.4 and HSPF2 of 13.5. This ductless, wall-mounted system uses environmentally friendly R-454B refrigerant, making it an efficient choice for modern homes. Designed for zoned comfort, it supports both cooling and hyper-heating, suitable for moderate to cold climates.

Performance:
This system features a variable-speed inverter compressor that maximizes energy efficiency while maintaining consistent indoor temperatures. The advanced coil design and optimized airflow provide smooth air distribution and reduce energy waste. Its high SEER2 and HSPF2 ratings highlight superior efficiency for year-round comfort.

Smart Features:
Compatible with Mitsubishi's Wi-Fi control systems, it integrates with smart thermostats and offers remote operation via mobile devices. The system supports multi-zone setups, allowing precise climate control in individual rooms or zones, enhancing user comfort and reducing energy costs.

Comfort & Noise:
Operating sound levels are as low as 21 dBA, ensuring whisper-quiet performance ideal for bedrooms, offices, or living areas. The system delivers up to 349 CFM airflow, maintaining a balanced, comfortable environment without disruptive noise.

Use Case Fit:
Perfect for residential homes, condos, and light commercial spaces, this model excels in cold climates due to its hyper-heating capabilities. It is ideal for retrofit projects or new construction requiring zoned HVAC solutions with minimal ductwork.

Value & Reliability:
Built with durable materials and backed by Mitsubishi’s engineering legacy, this mini split provides long-term reliability. Its advanced compressor and inverter technology reduce wear and tear, lowering maintenance needs and operational costs.

Summary Wrap-Up:
The MSZ-GX09NL-MUZ-GX09NLHZ mini split system combines high-efficiency heating and cooling with quiet operation and smart connectivity, making it a compelling choice for both homeowners and contractors seeking a flexible, cost-effective, and environmentally friendly HVAC solution.

Key Features

  • 28.4 SEER2 Efficiency: Delivers superior energy savings while maintaining consistent comfort.

  • Hyper-Heating R-454B Refrigerant: Supports reliable heating performance in cold climates with eco-friendly refrigerant.

  • Whisper-Quiet Operation: As low as 21 dBA, ideal for noise-sensitive environments.

  • Smart Wi-Fi Compatibility: Enables remote control and seamless integration with smart home systems.

  • Variable-Speed Inverter Compressor: Provides precise temperature control and energy efficiency.

  • Zoning Capability: Supports multi-zone configurations for tailored comfort.

  • Compact Wall-Mounted Design: Saves space while providing powerful performance.

Replaces Discontinued Models

Replacement matches are based on unit type, capacity and features. Verify line set, electrical supply and controls before ordering. See the discontinued Mitsubishi model cross-reference for details and original manuals.

White Paper

Comfort for the people who live there

The right equipment keeps the rooms you live in steady and quiet, whether it's dinner in the kitchen or a weekend project in the garage.

Specifications

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Brand:
Mitsubishi Electric
Width:
31.50 (in)
Height:
11.25 (in)
Depth:
21.63 (in)
Weight:
112.00 LBS
Capacity (Tons):
0.75
Compressor Type:
Inverter
Connection Type:
Flared
Electrical Phase:
1-Phase
Cooling Capacity (BTU):
9,000
Refrigerant Type:
R-454B
Heating Output (BTU):
Under 10,000 BTU
Configuration:
Wall Mount
Electrical Frequency:
60 Hz
Zones:
1
Safety Information:
⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
AHRI Certified:
Yes
Prop 65 Warning:
Yes
Product Category:
Ductless Mini Split Single Zone
Mount Type:
Wall Mount
System Type:
Heat Pump
SEER2:
20+ SEER2
EER2:
13+ EER2
HSPF2:
10+ HSPF2
Cold Climate:
Yes
Minimum Heating Temp (°F):
-22
Wi-Fi Control:
Built-In
Energy Star Listed:
Yes
Sound Level Indoor (dB):
19
Sound Level Outdoor (dB):
48
Line Set Size:
1/4 in x 3/8 in
Voltage / Phase:
208/230V 1-Phase
Indoor Unit MSZ-GX09NL - Nominal Capacity (Tons):
0.75
Indoor Unit MSZ-GX09NL - Cooling Capacity (BTU/h):
9,000
Replaces Models:
MSH09CW, MSH09DW-U1, MSH09EW, MSH09NW, MSH09NW2, MSH09TW, MSHM09CN, MSZ-A09NA, MSZ-GE09NA, MSZ-GL09NA, MSZ-GS09NA, MSZ09UN, MUZ-GS09NAHZ
Outdoor Unit MUZ-GX09NLHZ - Nominal Capacity (Tons):
0.75
Outdoor Unit MUZ-GX09NLHZ - Cooling Capacity (BTU/h):
9,000
Outdoor Unit MUZ-GX09NLHZ - Heating Capacity (BTU/h):
9,600
Outdoor Unit MUZ-GX09NLHZ - Refrigerant:
R-454B
Outdoor Unit MUZ-GX09NLHZ - Voltage/Phase/Hz:
208-230 V / 1 Ph / 60 Hz
Outdoor Unit MUZ-GX09NLHZ - Minimum Circuit Ampacity (MCA):
12 A
Outdoor Unit MUZ-GX09NLHZ - Maximum Overcurrent Protection (MOP):
21 A
Outdoor Unit MUZ-GX09NLHZ - Compressor Type:
Inverter Twin Rotary
Outdoor Unit MUZ-GX09NLHZ - Minimum Heating Temp (F):
-22 F
Outdoor Unit MUZ-GX09NLHZ - Sound Level (dB):
48
Outdoor Unit MUZ-GX09NLHZ - Liquid Line Size:
1/4 in
Outdoor Unit MUZ-GX09NLHZ - Suction Line Size:
3/8 in
Outdoor Unit MUZ-GX09NLHZ - Unit Dimensions (W x D x H):
31.5 in x 11.25 in x 21.63 in
Outdoor Unit MUZ-GX09NLHZ - Unit Weight:
77 lb
Outdoor Unit MUZ-GX09NLHZ - Shipping Weight:
85 lb
Indoor Unit MSZ-GX09NL - Type:
Wall Mounted
Indoor Unit MSZ-GX09NL - Heating Capacity (BTU/h):
9,600
Indoor Unit MSZ-GX09NL - Refrigerant:
R-454B
Indoor Unit MSZ-GX09NL - Airflow (CFM):
151-448
Indoor Unit MSZ-GX09NL - Sound Level (dB):
19-43
Indoor Unit MSZ-GX09NL - Liquid Line Size:
1/4 in
Indoor Unit MSZ-GX09NL - Suction Line Size:
3/8 in
Indoor Unit MSZ-GX09NL - Unit Dimensions (W x D x H):
31.41 in x 9.66 in x 11.78 in
Indoor Unit MSZ-GX09NL - Unit Weight:
23 lb
Indoor Unit MSZ-GX09NL - Shipping Weight:
27 lb
Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.

2023 Energy Standards

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Documents & warranty
Warranty
7 Years Compressor & 5 Years Parts | Registration Required within 90 Days of Purchase
Videos3 videos
Mitsubishi Electric Ductless Mini Splits: Quiet R-32 Comfort
Frequently asked questions
What size is the ?
The is a 0.75 ton unit.
How much cooling does the provide?
It is rated for 9,000 BTU of cooling.
What refrigerant does the use?
It uses R-454B refrigerant.
How many zones does the support?
It supports 1 zone(s).
What is the SEER2 rating of the ?
The is rated at 20+ SEER2 SEER2.
What is the HSPF2 heating efficiency of the ?
It is rated at 10+ HSPF2 HSPF2.
How cold can it be outside for the to keep heating?
It is rated to heat down to -22 °F outdoors.
Can the be controlled over Wi-Fi?
Built-In.
How loud is the outdoors?
The rated outdoor sound level is 48 dB.
What power supply does the need?
It requires 208/230V 1-Phase power.
Which models does the replace?
MSH09CW, MSH09DW-U1, MSH09EW, MSH09NW, MSH09NW2, MSH09TW, MSHM09CN, MSZ-A09NA, MSZ-GE09NA, MSZ-GL09NA, MSZ-GS09NA, MSZ09UN, MUZ-GS09NAHZ
What warranty comes with the MSZ-GX09NL-MUZ-GX09NLHZ?
7 Years Compressor & 5 Years Parts | Registration Required within 90 Days of Purchase
Who makes the MSZ-GX09NL-MUZ-GX09NLHZ?
The MSZ-GX09NL-MUZ-GX09NLHZ is made by Mitsubishi Electric.