Mon - Fri: 8am - 5pm EST.

phone service hours
Mon - Fri : 8am - 5pm EST
Call us now

Low Price Guarantee

We always try to give the best prices for our customers, if you found a better price anywhere online, please send it to us!

Mitsubishi Mr Slim 4 Zone Heat Pump Ductless Mini Split with (3) 9K BTU indoor units and (1) 15k BTU unit

More Views

Mitsubishi Mr Slim 4 Zone Heat Pump Ductless Mini Split with (3) 9K BTU indoor units and (1) 15k BTU unit

SKU: SKU1115

Be the first to review this product

Mitsubishi Mr Slim 4 Zone Heat Pump Ductless Mini Split with (3) 9K BTU indoor units and (1) 15k BTU unit

Regular Price: $5,299.33

Special Price $4,849.48

Outdoor Unit

(1) Mitsubishi Mr Slim fully charged 4-zone outdoor heat pump condensing unit

Model Number



35-7/16" W x 12-5/8" D x 35-7/16" H

1st Indoor Units

(3) 9K BTU Mitsubishi MSZ-GE Wall-Mounted Heat Pump Indoor Unit

Model Number



31-7/16" W x 9-1/8" D x 11-5/8" H

2nd Indoor Unit

(1) Mitsubishi MSZ-GE 15K BTU Wall-Mounted Heat Pump Indoor Unit

Model Number



31-7/16" W x 9-1/8" D x 11-5/8" H

Note: The wall-mounted indoor units include a hand-held comfort controller.

Mitsubishi Makes Cooling a Breeze

The indoor wall mounted unit delivers enough cold or warm air to make any space more comfortable. Adjustable swing louvers direct the airflow left or right, covering the entire space quietly. The Mitsubishi M-Series is the perfect addition for:

A ductless system is similar to a central system in that the compressor is outside, eliminating the noise associated with wall-type units. The indoor section is extremely quiet and simply surface-mounts on the wall.

Best of all, the sleek contemporary styling of the indoor section will not detract from the decor of it's surroundings.

  • Guesthouses
  • Music studios
  • Porch or garage apartments
  • Computer and telephone rooms
  • Loft apartments
  • Small offices
  • Garage apartments
  • Attic enclosures
  • Rental efficiencies
  • Small 2 or 3 room homes

Increased Flexibility with Multi-Zone Operation

The MXZ-2A20NA multi-zone system is perfect for schools, hospitals, and homes where multiple room heating and cooling is desired but ductwork is impractical. The Mitsubishi Mr Slim Multi-Zone System is truly flexible to meet your specific needs and can cool and heat 2 separate areas that you select. Choose from up to 4 different combinations (don't worry - we'll help make the selection easy).


Each of the 2 indoor sections can be independently controlled, separate and apart from the other zones with the handheld, wireless remote control programmable thermostat. You select the comfort level desired with customized and distinct temperature settings for each zone. Only through zone control can the use of energy be minimized without the wasted expense from cooling or heating unused areas.

Smart and Cost Effective Choice


The Hottest Thing in CoolingMitsubishi Electric is the undisputed industry leader in ductless heating and air conditioning technology. The versatility and variety of applications is virtually unlimited. Perhaps you have an older home or business that was built before ducted air conditioning became available and you desire the comfort and humidity control provided by air conditioning and heating.

The Mr. Slim ductless split system is the perfect answer for spot cooling or heating uncomfortable rooms without the expense associated with a traditional centrally ducted system. Proven performance, long-term reliability and ease of installation make the Mr. Slim M-Series ductless air conditioner by Mitsubishi the smart and cost effective choice.

Mr. Slim Ductless Ductless Air Conditioner Technology

The M-series Mitsubishi ductless air conditioners and heat pumps with R-410a refrigerant are perfect for use in residential and light commercial applications. Whisper-quiet and extremely reliable, these systems go where ductwork can't - Computer and phone rooms, room additions, music studios, and small offices, to name just a few.

The Quiet Solution        The Quiet Solution       The Quiet Solution

Super High Efficiency SEER Ratings of Up To 17.0

Super High Efficiency

We all know what air conditioners and heat pumps can cost to operate but forget everything you know and consider the penny: That's right the penny. Because as little a 5 of them will get you one hour of comfort with this new Mitsubishi Ductless Split System.

Bask in 100 hours of comfort for as little as $5.00.

That's just .05 cents per hour!

When we say "as little" we're referring to the 9000 Btu model, one of the most popular models. But even the largest 22,000 Btu model costs only 13 cents per hour to operate, or $13.00 for each 100 hours of operating time. *

*Operating cost estimates based on a nationwide average of .10 cents per KW of energy usage. Your actual costs may vary.

That means the energy required to provide the comfort your deserve is more affordable than ever. Imagine never having to worry about high power bills again; just dial in a comfortable setting and walk away.

In fact, with maximum SEER ratings of 17.0, the Mitsubishi Mr. Slim ductless heat pump is one of most efficient and cost-effective systems you can buy.

Mitsubishi engineers designed these systems to provide peace of mind from both a comfort and energy standpoint.

How Do I Know What Size to Select?

Use our handy ductless sizing calculator located here. This calculator will provide an estimate as to the size needed for your application. If you are still unsure, have a local contractor visit your jobsite for a thorough analysis of your needs. For residential homes that are well insulated about 15-20 Btu's per square foot is normally sufficient. For the top floor in a multi-story home about 25-30 Btu's per square foot is required.

Standard office spaces with an average number of occupants and office equipment will require around 35-40 Btu's per square foot. If there are no outside exposed exterior walls this can be reduced by about 20%. Order yours today. You'll be glad you did.

You can always call us toll-free at 1-866-862-8922 and our experienced system designers will happily assist you in the selection process.

System Sizing Calculator

No more missed appointments or intrusive high pressure salespeople in your home. Work right from your computer in the comfort of your home.

Once you have selected the correct size simply browse the choices offered on this site and place your order on the web or call us.

You Won't Believe Your Ears

Very quiet System!Very quiet System! Is it on? That's the first thing our customers ask when their new Mitsubishi ductless split system is started up for the first time.

In fact, the computer on your desk may make more noise than the low speed fan setting on most Mitsubishi ductless split systems.

With indoor decibel levels of as low as 22Db, you won't even be able to tell when the system is actually operating. To put this in perspective, a human whisper is in the range of about 40Db and a quiet refrigerator is around 48-55 Db.

A decibel rating of 22 is inaudible even at very close range. You simply cannot buy a quieter system.

Unsurpassed Reliability

No Ductwork Needed


Mitsubishi Air Conditioning and heat pumps are world-renowned for the quality and durability of their ductless systems. In fact, we have never encountered a more dependable air conditioning and heat pump system, period!

Our warranty experience with these systems is outstanding and second to none.

Our customers are ecstatic with both the quality and performance of their Mitsubishi ductless air conditioner and heat pump system, each and every time!

The Mitsubishi Mr. Slim is designed to be one of the most reliable air conditioners you can buy.

In fact, every major component is designed and manufactured by Mitsubishi so the system provides highly reliable operation that is only possible when all components are purpose-designed and built to work in harmony.

The air conditioning and heat pumps industry experiences an average failure rate in the United States of about 4%, or 4 system failures for every 100 units built.

The Mitsubishi Mr. Slim enjoys a failure rate that is only one-eighth of the industry average, or one-half of 1%.

That means that Mitsubishi will need to produce 800 systems to experience the same 4 failures. That's quality the way it should be.

No Ductwork Needed

Mr. Slim ductless systems need no ductwork. This means easy installation and less mess.

You may find a system that is slightly less expensive upfront, but nobody beats Mitsubishi's total overall cost benefit that comes from rugged durability, parts availability, and ease of installation.


No Ductwork Needed


Wireless Remote Control

Wireless Remote ControlMitsubishi Mr. Slim includes a wireless control center that offers complete control and easy to use functions that don't require an advanced degree to operate. These functions include a two-speed fan operation, Cool, Auto, and Dry operating modes and a programmable 24-hour timer for convenient, customized cooling on/off periods. The self-diagnostic LCD display quickly detects malfunctions and even pinpoints the location.

Service is a Snap

All Mitsubishi mini split outdoor units are designed with easy service and maintenance in mind. Service points are located behind easy-access panels to make installation easier for your service technician. All M-series indoor units feature a washable filter design without filter replacement headaches.


Outstanding New Features

R-410a refrigerant is a totally friendly, non-ozone depleting refrigerant, making smaller, more energy efficient systems practical. Fully compliant with new federal refrigerant regulations Anti-allergy

Enzyme Filter uses artificial blue enzyme catalyst on the filter filaments to capture harmful microbes

Hybrid Catechin Pre-filter fibers are infused with a bioflavinoid found in green tea that has antiviral and antioxidant properties

A-Control for Unit Wiring allows communication and power between outdoor and indoor units on only 3 wires

A-Control for Unit Wiring allows communication and power between outdoor and indoor units on only 3 wires


R-410a RefrigerantPulse Amplitude Modulation (PAM) Control aligns electrical input wave to improve and condition the electrical power factor up to 98%

Low-ambient Cooling allows for efficient cooling operation with outdoor temperatures as low as 14 degrees F

Powerful Mode provides 15 minutes of extra high power cooling

Plus: "Econo Cool" mode, 1 degree F step temperature setting, self-diagnostic function, swing mode (up and down), auto-restart, and dry mode

R-410a - Environmentally Friendly

Enviromental FriendlyYour new Mitsubishi Mr Slim Ductless AC and heat pumps provide additional peace of mind because your new system won't harm the environment and meets the standards set by the federal government.

This is a is a totally friendly, non-ozone depleting refrigerant, making smaller, more energy efficient systems practical. Fully compliant with new federal refrigerant regulations






  1. 10 Years
  2. 10 years

Note:It is the customer's responsibility to register the product with the manufacturer. One of the main benefits of registering the product is extending the manufacturer warranty to 10 years; otherwise coverage is 5 years.

Under the terms of all manufacturer's warranty and to comply with federal refrigerant handling laws, it is required that the system be checked and started up and signed-off on by a licensed air conditioning/heating contractor prior to use. Please ensure that all supply and return ductwork is properly sized and that the installation is permitted (where required) and conforms with local and state codes. Electrical connections should always be made by a licensed electrical contractor.

The Mitsubishi Corporation

The HVAC Advanced Products Division of Mitsubishi Electric was established in 1980 to market state-of-the-art products to North America. Mitsubishi Electric encompasses a wide range of high-end products for both commercial and residential applications across the globe.

The Mr. Slim M-Series air conditioner plant utilizes the latest production processes consisting of fully automated assembly lines that allow unattended manufacture and a rigorous quality-control program.

The P-Series air conditioner plant manufactures a broad selection of models, including ceiling cassettes, ceiling recessed, and wall-mounted models, all designed to complement modern interiors.

The manufacturing process allows Mitsubishi to produce products of high quality with exceptional quality control.

There are many manufacturers of ductless mini splits but none can match Mitsubishi's commitment to quality, nationwide parts availability and technical support. At AC 4 Life we feature the Mitsubishi line of ductless mini splits. Our customers experience the lowest failure rate and warranty repair incidence of any brand we have ever worked with, period.

When you select the Mitsubishi Ductless Mini Split from AC 4 Life you can rest easy knowing you are purchasing the quietest and most dependable ductless systems available anywhere.

Use spaces to separate tags. Use single quotes (') for phrases.

Recommended Products

our brands