MRCOOL Single Zone DIY Ductless Mini Split Systems

MRCOOL Logo MRCOOL Logo

Innovative DIY Single Zone System

Innovative DIY Single Zone Systems

Innovative DIY Single Zone Systems

UP TO 24 SEER

UP TO 24 SEER

UP TO 24 SEER

-13°F HEAT PERFORMANCE

-13°F HEAT PERFORMANCE

-13°F HEAT PERFORMANCE

MRCOOL Product MRCOOL Product

MRCOOL DIY Single Zone mini split systems are designed for easy installation without the need for a professional, thanks to their pre-charged Quick Connect® lines that make setup fast and simple. Ideal for single-room comfort, these energy-efficient heat pumps provide affordable and reliable heating and cooling year-round. With features like WiFi connectivity, quiet performance, and precise temperature control, MRCOOL DIY systems let you enjoy personalized comfort without the hassle of traditional installations.

9 Items

Set Descending Direction
per page
Have questions about buying online?
1-800-397-1392
Filter Results
MRCOOL Logo MRCOOL Logo

Great for a DIY single Zone System

Great for a DIY single Zone System

Great for a DIY single Zone System

UP TO 24 SEER

UP TO 24 SEER

UP TO 24 SEER

-13°F HEAT PERFORMANCE

-13°F HEAT PERFORMANCE

-13°F HEAT PERFORMANCE

MRCOOL Product MRCOOL Product
Uses for MRCOOL DIY Single Zone Mini Split:
  • Bedrooms or guest rooms
  • Room additions or sunrooms
  • Workshops or outbuildings
  • Vacation rental properties
  • Basements or exercise rooms
  • Server rooms or media rooms

Benefits of a MRCOOL DIY Single Zone Mini Split

Is a single zone DIY mini split right for you? What are some of the biggest benefits of these systems?:

  • Enhanced energy efficiency
  • Easy ductless installation with simple hand tools
  • Highly efficient inverter compressor with high SEER ratings
  • Designed for continuous operation to provide consistent comfort
  • Controls moisture and prevents mold growth
  • Wi-Fi connectivity and smartphone / smart home hub compatible
  • Temperature differential feature reduces energy consumption
  • User friendly from installation to daily operation
  • Compact and aesthetic design

MRCOOL DIY Single Zone Product Features:

  • Easy DIY Installation: Precharged R-410 Quick Connect&reg Linesets allow you to install this innovative ductless system without special tools, equipment, or training. Couplers are available for extended lengths.
  • Energy Star Certified: Certified Efficiency, MRCOOL 4th Generation EZ Star goes above and beyond for efficiency while maintaining optimum performance and reliability, the 12K, 18K, and 24K models are Energy Star Certified.
  • Smartphone App: Control your MRCOOL system anywhere with your Apple if Android smart device and an internet connection.
  • DIYPRO&reg Cable: The included DIYPro&reg Cable eliminates the need for electrical conduit providing higher mechanical protection and durability.
  • Follow Me&reg: Keep the remote close by, and MRCOOL will track the air temperature around you to ensure you receive maximum comfort.
  • Leakage Detection: When the MRCOOL detects low coolant an alarm will sound to alert you to the problem. This will prevent damage to the compressor while you maintain high air comfort.
  • Low Ambient Cooling: This feature makes the MRCOOL the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
  • Gold Fin Condenser: Live on the Coast? Don't worry, our condenser is built to resist long term corrosion.
  • Digital Assistant Ready: The new MRCOOL Smart HVAC Controller&reg Module and App fully support Google Assistant & Amazon Alexa out of the box.
  • Louver Position Memory: Horizontal louver will automatically move to the same position as you set the last time the unit was turned on.
  • Auto Restart: Power outage? Don't worry, the MRCOOL DIY&reg auto restart will have the unit running again in no time at all.
  • Sleep Mode: We made Sleep Mode east to program to save money, and let you sleep a little easier.
*Please Note: Depending on the system you purchase, features may change, increase, or decrease in availability*
*Warranty may also be subject to change depending on the system you purchase*

No Two Rooms Are The Same...

Even if you have two rooms that are the same square footage, the room may need a larger or smaller BTU capability. Factors such as location, humidity, insulation, windows, ceiling height, or even room hotspots are just some of the things that can change the efficiency of your mini-split system and should be taken into consideration before purchasing.

Luckily with MRCOOL DIY Single Zone Mini-Splits, any room can be tailored to fit your lifestyle and needs.

Check out our Sizing Guide:
  • 9K BTU for 250 - 400sq ft (typically a small shed, or single car garage)
  • 12K BTU for 400 - 600sq ft (typically a sunroom, or standard garage)
  • 18K BTU for 600 - 1,000sq ft (typically a studio apartment)
  • 24K BTU for 1,000 - 1,500sq ft (typically an average barn)
  • 36K BTU for 1,500 - 2,000sq ft (typically a large barn)

MRCOOL's Quick-Connect&reg Pre-Charged Line Set

Kink resistant for easier bending during installation

100% accurately pre-charged R-401A refrigerant

Standard lengths of 16 ft and 25ft can be combined using optional DIY&reg Couplers for longer lengths

Simple to Use, Leak Proof, and Screw-on Quick Connect Valves do not require vacuuming

Quicker Installation than Conventional Line Sets

Strong UV protection insulation provides extra protection against sun damage, weather erosion, or destruction from animals or insects

Now Included: The DIYPRO&reg cable - a stronger electrical conduit that protects your cables from the weather and from gardening tools

Didn't find what you were looking for with MRCOOL DIY Single Zone Systems?

Room to Room Control

  • Single Zone DIY Mini Split - One air handler, and one condenser.
  • 2 Room/Zone DIY Mini Split - Two  air handlers, and one condenser. 
  • 3 Room/Zone DIY Mini Split - Three  air handlers, and one condenser. 
  • 4 Room/Zone DIY Mini Split – Four  air handlers, and one condenser. 
  • 5 Room/Zone DIY Mini Split – Five  air handlers, and one condenser. 
  • Other Page Links

  • MRCOOL Home - MRCOOL Main Brand Page
  • MRCOOL Multi Zone Main Pages - MRCOOL Multi Zone Pages
  • MRCOOL DIY Home - MRCOOL DIY Mini Split Pages
  • Central Mini Split Systems - One air inverter and one condenser.
  • MRCOOL Accessories - Anything you might need for installation & aesthetics
  • How does MRCOOL DIY stand up to the competition?

    MRCOOL stands out for its innovative DIY installation design, that allows homeowners to set up their mini splits with ease and without the hassle of professional help, saving both time and money. In addition to their high energy efficiency ratings and smart technology, MRCOOL systems are the smart choice for any home.

    Frequently Asked Questions

    A MRCOOL DIY Single Zone mini split system is a highly efficient, ductless heating and cooling solution that allows precise temperature control in one room or zone. It consists of an outdoor condenser unit and ane indoor air handler unit, together they provide flexible and energy-efficient climate control for your home or office.

    Benefits of a MRCOOL DIY Single Zone mini split include high energy efficiency, precise temperature control, quiet operation, and the ability to heat or cool individual rooms. They are also easier to install compared to traditional HVAC systems since they are precharged and can be installed at home, making them a versatile option for various applications.

    DIY Single Zones can be anything from a garage to a bedroom, finished basement or living room where ductwork is not needed. With a variety of air handler options like: wall mounted, ceiling cassette, concealed ducts, and floor mounts there is a mini split for everyone.

    Important factors to consider are:

  • The size of the area you want to heat/cool (Square Feet)
  • Your local climate (Do you experience prolonged periods of extreme heat or cold?)
  • Basic sizing based on spuare footage alone:
    • 12K BTU = up to 500 sq ft
    • 18K BTU = 450 - 750 sq ft
    • 24K BTU = 700-1,000 sq ft
    • 36K BTU = 950-1,500 sq ft
  • Yes, DIY MRCOOL Single Zone mini splits are known for their high energy efficiency. They use advanced inverter technology to adjust the compressor speed and maintain the desired temperature, reducing energy consumption and lowering utility bills compared to traditional HVAC systems.

    The max length depends on the unit that is being installed, although typically:

    The Max lineset on a DIY Single Zone system is going to be 75ft

    We do still suggest checking your systems submittal located in Product Specifications Resources to verify this information for your specific system
    Single Zones:
    • The 4th Gen Single Zone 12K - 24K condensers operational range for heating is -13°F - 75°F (outside temperature), cooling is -13°F - 122°F (outside temperature)
    • The 4th Gen Single Zone 36K condensers operational range for heating is 5°F - 75°F (outside temperature), cooling is 5°F - 122°F (outside temperature).
    • However, indoors - at the thermostat - on all Single Zone units te temperatures range for cooling can be from 62.2°F - 89.6°F and heating from 32°F - 86°F.

    Check out our MRCOOL home page here.
    Check out our Multi-Zone systems here.
    Check out our DIY systems here.
    Check out our Central Heat Pump systems here.

    Check out our article about Expanding the life of your mini split system here.

    Or you can check out our article about prepping your HVAC system for cold weather here.

    Why Buy From Us?

    Customer Satisfaction

    Our dedicated staff works hard to ensure that all orders are handled quickly and efficiently to ensure that you get what you ordered as quickly as possible.


    Security

    We provide a secure online shopping experience to protect your information. We also provide the option to checkout with PayPal to allow you to use a checkout service you are familiar with.


    Save Money

    We provide you great prices so you can save your money for the more important things in your life.