Mitsubishi Mini Split AC unit, R410A, 9,000 BTU, 0.75 Ton, 28.4 SEER Wall Mount Air Conditioner Ductless Mini Split, Heat Pump, Inverter System GS Single Zone - MSZ-GS09NA-U1 + MUZ-GS09NA-U1
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OVERVIEW
With its advanced technology, Mitsubishi is recognized as one of the top mini split brands on the market. The
MSZ-GS09NA-U1 + MUZ-GS09NA-U1
single-zone mini split lives up to Mitsubishi’s high standards, providing superior comfort with impressive efficiency.
QUICK FACTS
- Ideal for heating and cooling a small room (in an optimal climate)
- 9,000 BTU, 28.4 SEER
- 230V electrical
- Energy Star certified
- Dry mode operation
Performance
9,000 BTU, 23.1 SEER
The MSZ-GS09NA-U1 + MUZ-GS09NA-U1 offers 9,000 BTUs, making it suitable for small rooms in many climates. With a 28.4 SEER rating, this unit has greater electrical efficiency than most central systems and is Energy Star certified. This allows it to be installed across all mainland U.S. states. Additionally, Mitsubishi’s Econo Cool mode adjusts the cooling points on the air handler and sweeping vanes, enhancing efficiency while achieving faster temperature changes.
Warranty
The MSZ-GS09NA-U1 + MUZ-GS09NA-U1 includes Mitsubishi’s standard 5-year parts and 7-year compressor warranty. If the installation follows state and local codes and you register this Mitsubishi Wall Air Conditioner online, this warranty extends to 10 years for both parts and the compressor.
Durability and Reliability
The Blue Fin condenser design makes the MSZ-GS09NA-U1 + MUZ-GS09NA-U1 resistant to wind, dust, salt, and rust, extending its lifespan significantly. With an operating temperature as low as -4°F, this Mitsubishi Ductless Air Conditioner unit is designed to perform reliably even in extreme conditions.
Superior Comfort
Mitsubishi is dedicated to providing top-notch comfort. The MSZ-GS09NA-U1 + MUZ-GS09NA-U1 features:
- Hot-start function: Prevents cold air from blowing into the room when heating, waiting until the heat exchanger is ready.
- Dry mode: Enhances dehumidification, providing a superior experience compared to other brands.
Smart Technology for Ease
Equipped with Smart Set technology, the MSZ-GS09NA-U1 + MUZ-GS09NA-U1 ensures consistent temperature by adjusting airflow, direction, and output temperature. This Mitsubishi Mini Split Heat pump When paired with Kumo Cloud or Cielo thermostats, it can connect to the internet, allowing remote control from anywhere with internet access. Additionally, the air handler uses its own air for quick and efficient heating, providing comfort faster.
Health-Focused Filtration
Mitsubishi’s dedication to user health is evident in the MSZ-GS09NA-U1 + MUZ-GS09NA-U1's advanced filtration system. This unit combines deodorization, anti-allergen, and microbial breakdown functions, delivering a cleaner, healthier indoor environment.
Technical Details:
Product Name |
9,000 BTU Wall Mounted Mitsubishi Mini Split GS Single Zone Heat Pump - MSZ-GS09NA-U1 / MUZ-GS09NAH-U1
|
SKU |
MSZ-GS09NA-U1 / MUZ-GS09NAH-U1
|
Refrigerant Charge |
Pre-Charged for 25'
|
Weight (in lbs) |
Indoor Unit: 23 lbs, Outdoor Unit: 81 lbs
|
AHRI Certificate Number | 202405 |
Brand/Manufacturer |
Mitsubishi Electric
|
Controller |
Wireless (Optional)
|
Product Features |
Energy Star Certified
|
Additional Information |
Heat Pump, Maximum Line Set Length: 65', Drain: 5/8"
|
HSPF |
10.2 / HSPF5: 7.7
|
Cooling BTU | 9,000 BTU |
Heating BTU |
10,900 BTU at 47°F
|
SEER | 28.4 |
EER | 15.4 |
Airflow (CFM) |
Indoor (Cooling, Dry): 134 - 381, Indoor (Heating, Dry): 134 - 390
|
Sound Pressure Level (dBA) |
Indoor Unit: 19-43, Outdoor Unit: 48-50
|
Refrigerant | R410A |
Capacity |
Dehumidification Rate: 0.4 pints/hr
|
Liquid Line | 1/4" |
Suction Line | 3/8" |
Electrical |
Voltage: 208/230V, 1 Phase, 60 Hz
|
Max Breaker Size | 15A |
Amperage Requirement | 10A |
Operating Range |
Cooling: 14°F to 115°F, Heating: -4°F to 75°F
|
Dimensions |
Indoor Unit (H x W x D): 11-5/8" x 31-7/16" x 9-1/8", Outdoor Unit (H x W x D): 21-5/8" x 31-1/2" x 11-1/4"
|
Warranty |
10 Years with Online Registration
|
Resources | |
Safety Information |
PROPOSITION 65 WARNING
|
Brackets and Concrete Pads
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18"x40"x4" Plastic Equipment Mounting Pads – Lightweight, Durable Base for HVAC Units & Outdoor Installations
Regular price $69.00Sale price $69.00 Regular priceUnit price perSold out -
ARMBRIDGE 18"x38"x3" Ribbed Plastic Condenser Pad | Shock-Absorbing, Anti-Slip Foundation for HVAC Systems and Outdoor Equipment
Regular price $64.00Sale price $64.00 Regular priceUnit price per -
ARMBRIDGE AB-RF Rubber Feet Mounting Set – Heavy-Duty Adjustable Base with Built-In Leveler
Regular price $65.00Sale price $65.00 Regular priceUnit price per -
ARMBRIDGE Heavy-Duty Mini Split Ground Stand, Zinc-Coated Brackets for 9,000–36,000 BTU Units | Weatherproof Design, 330+ lbs Capacity
Regular price $100.00Sale price $100.00 Regular priceUnit price per -
ARMBRIDGE Mini Split Wall Mounting Bracket 9,000 – 36,000 BTU Units | Foldable 304 Stainless Steel, Vibration-Absorbing (Up to 550 lbs Each)
Regular price $89.00Sale price $89.00 Regular priceUnit price per -
Heavy-Duty Mini Split Ground Stand with Load Capacity up to 500LBS, Condenser Bracket for 9000-55000 BTU Ductless Air Conditioners and Heat Pump, Inverter Systems
Regular price $129.99Sale price $129.99 Regular priceUnit price perSold out -
Heavy-Duty Mini Split Ground Stand with Load Capacity up to 770LBS, Condenser Bracket for 9000-60000 BTU Ductless Air Conditioners and Heat Pumps, Inverter Systems
Regular price $169.99Sale price $169.99 Regular priceUnit price perSold out -
Heavy-Duty Mini Split Wall Bracket with Load Capacity up to 480LBS, Condenser Bracket for High BTU Ductless Air Conditioners and Heat Pump, Inverter Systems
Regular price $89.97Sale price $89.97 Regular priceUnit price per -
Mini Split Compressor Bracket for 6,000 - 28,000 BTU
Regular price $49.00Sale price $49.00 Regular priceUnit price per
Line covers
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12FT PVC Decorative Line Set Cover Kit for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverters systems.
Regular price $72.00Sale price $72.00 Regular priceUnit price per -
16.5FT Brown PVC Decorative Line Set Cover Kit for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverters systems.
Regular price $89.00Sale price $89.00 Regular priceUnit price perSold out -
ARMBRIDGE 6FT PVC Decorative Black Line Set Cover | Duct for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverter Systems
Regular price $34.00Sale price $34.00 Regular priceUnit price per -
ARMBRIDGE 6FT PVC Decorative White Line Set Cover Duct | for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverter Systems
Regular price $34.00Sale price $34.00 Regular priceUnit price per
6000-9000 BTU Installation Kits
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Line set 1/4"-3/8" Installation Kit for Ductless Mini Split, Insulated Pre-Flared Copper 16ft/25ft/50ft with Data Wire for 6000-9000 BTU Unit Systems
Regular price $180.00Sale price $180.00 Regular priceUnit price per$102.85 -
Extra Insulated Line set 1/4"-3/8" Installation Kit for Ductless Mini Split, Pre-Flared Copper 16ft/25ft/50ft with Data Wire for 6000-9000 BTU Unit Systems
Regular price $180.00Sale price $180.00 Regular priceUnit price per$113.14 -
ARMBRIDGE Line set 1/4"-3/8" Installation Kit for Ductless Mini Split, Pre-Flared Copper 16ft/25ft/50ft with Data Wire for 6000-9000 BTU Unit Systems
Regular price $180.00Sale price $180.00 Regular priceUnit price per$94.62 -
ACIQ 30ft or 50ft Refrigerant Line Set – 3/8" LL x 7/8" SL with 3/8"-3/4" Insulation | Pre-Insulated Copper for Split HVAC & Heat Pump Systems
Regular price $401.00Sale price $401.00 Regular priceUnit price per$130.05 -
ACIQ 30ft or 50ft Refrigerant Line Set – 3/8" LL x 3/4" SL with 3/4" Insulation | Pre-Insulated Copper for Split HVAC & Heat Pump Systems
Regular price $346.00Sale price $346.00 Regular priceUnit price per$130.05 -
ACIQ Refrigerant Line Set 3/8"-5/8" | Insulated Pre-Flared Copper | 15ft / 30ft / 50ft for Mini Split Systems
Regular price $241.38Sale price $241.38 Regular priceUnit price per$102.85 -
ACIQ Refrigerant Line Set 1/4"-5/8" | Insulated Pre-Flared Copper | 15ft / 30ft / 50ft for Mini Split Systems
Regular price $285.66Sale price $285.66 Regular priceUnit price per$102.85 -
ACiQ Refrigerant Line Set 1/4"-1/2" | Pre-Flared Copper | 15ft / 30ft / 50ft | Insulated for Ductless Mini Split Systems
Regular price $208.23Sale price $208.23 Regular priceUnit price per$102.85 -
ACiQ Refrigerant Line Set 1/4"-3/8" | Pre-Flared Copper | 15ft / 30ft / 50ft | Insulated for Ductless Mini Split Systems
Regular price $205.84Sale price $205.84 Regular priceUnit price per$102.85 -
Extra Insulated ARMBRIDGE Line set 1/4"-3/8" Installation Kit for Ductless Mini Split, Pre-Flared Copper 16ft/25ft/50ft with Data Wire for 6000-9000 BTU Unit Systems
Regular price $174.19Sale price $174.19 Regular priceUnit price per$104.08Sold out
Disconnect Boxes and Electrical Whips 30 AMPS
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PVC Conduit Cable Whip 3/4 6 FT - 8 AWG Suitable for up to 60A circuits
Regular price $29.00Sale price $29.00 Regular priceUnit price per -
PVC Conduit Cable Whip 1/2 6 FT - 10 AWG Suitable for up to 30A circuits
Regular price $27.00Sale price $27.00 Regular priceUnit price per -
30 AMP Fusible Disconnect Box - Metallic
Regular price $39.00Sale price $39.00 Regular priceUnit price per -
ARMBRIDGE Non-Metallic A/C Whip 3/4" x 6 ft – Pre-Wired Liquid tight Conduit with 8/2 & 10/1 Wires for HVAC & Air Conditioner Power Connection
Regular price $43.50Sale price $43.50 Regular priceUnit price per
We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map

IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
For more details, see our Privacy Policy.
Cooper & Hunter
DETAILED PRODUCT BOOKLETS FOR THIS PRODUCT:
Olivia Series Booklet
Multi-Zone Booklet
Specification Table
Quick-Start Guide
Installation Manual
General Manufacturing Information
Rebates




