Is a DIY Dual-zone 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 Dual Zone Product Features:
Multi-Zone: Multi-zone technology gives you flexibility and control whenever and wherever you want it.
Up to 2 Zones: You'll be able to heat and cool up to 2 rooms at a time with the MRCOOL DIY 2-zone multi-zone unit.
Easy DIY Installation:Precharged R-410 Quick Connect® Line Set Available in 16' and 25' options, pre-charged linesets allow you to install this innovative ductless system without special tools, equipment, or training.
DIYPRO® Cable: The included DIYPro® Cable eliminates the need for electrical conduit providing higher mechanical protection and durability.
Follow Me® Function: Keep the remote close by, and MRCOOL DIY will track the air temperatures around you to ensure you receive the maximum comfort.
Leakage Detection: When the MRCOOL DIY 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 DIY the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
Auto Restart: Power outage? Don't worry, the MRCOOL DIY auto restart will have the unit running again in no time.
Sleep Mode: We made Sleep Mode easy to program to save money, and let you sleep a little easier.
Louver Position Memory: Horizontal louver will automatically move to the same position as you set last tine the unit was turned on.
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® Module and App fully support Google Assistant & Amazon Alexa out of the box with a Wi-Fi connection.
*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 Dual-Zone Mini-Splits, any room can be tailored to fit your lifestyle and needs.
Start By Selecting Zone 1:
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)
15/18K BTU for 600 - 1,000sq ft (typically a studio apartment)
MRCOOL's Quick-Connect® 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® 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® 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 Dual Zone Systems?
Other brand options in DIY Dual Zone mini split systems, including:
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 mini split system is a highly efficient, ductless heating and cooling solution that allows precise temperature control in two rooms or zones. It consists of an outdoor condenser unit and two indoor air handler units, together they provide flexible and energy-efficient climate control for your home or business.
Benefits of a MRCOOL DIY Dual 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 Dual 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 square 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, MRCOOL DIY Dual 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 Dual Zone system is going to be a combined total of 123ft
We do still suggest checking your systems submittal located in Product Specifications Resources to verify this information for your specific system
Dual Zones:
The 4th Gen Multi-Zone 18K - 36K condensers operational range for heating is -13°F - 75.2°F (outside temperature), cooling is 5°F - 122°F (outside temperature).
The 4th Gen Mutli-Zone 48K condensers operational range for heating is 5°F - 75.2°F (outside temperature), cooling is 5°F - 122°F (outside temperature).
However, indoors - at the thermostat - on Multi-Zone units the temperature range for cooling can be from 62°F - 90°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.
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