24k BTU 16 SEER MrCool DIY Ductless Heat Pump Split System with WiFi Smart Kit - Wall Mounted

Item: HA18421
Models: DIY-24-HP-C-230AE, DIY-24-HP-WMAH-230AE
Condition: New
When you see a MrCool DIY 24k Ductless Heat Pump Split System, that means it's specifically designed for installation by non-professionals (i.e. - you). And trust us, you can do it. The MrCool DIY 24k gold fin condenser is corrosion-resistant, and features a high efficiency compressor with chlorine-free R-410A already pre-charged. Add in a MrCool DIY 24k wall-mounted air handler, and you get an amazingly smart system that, seriously, you can put in yourself. Honestly!

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Was: $1,778.00 Click for price

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Was: $1,778.00 Click for price
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This Bundle Includes

24k BTU MrCool DIY Ductless Wall Mounted Air Handler with WiFi Smart Kit 24k BTU MrCool DIY Ductless Wall Mounted Air Handler with WiFi Smart Kit Item: HA18417 Model: DIY-24-HP-WMAH-230AE Qty: 1

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What's Included

What customers are saying...



Stay comfortable all year round with this MrCool DIY 24k ductless heat pump system. Featuring both heating and cooling in the same unit, you'll be able to seamlessly switch between both to create a comfortable living space. The convenience of having a ductless split system allows you to control each zone separately, so you can save money on those spaces that are unoccupied by turning them up or down.

The MrCool DIY 24k also comes with the ultra convenient wifi option and MrCool Smart Controller compatibility. The smartphone capabilities allow you to remotely control your units from wherever you may be. Coming back from a vacation, and want to make sure your home is nice and toasty when you get back? Simply use the MrCool app to remotely turn your MrCool DIY 12k system up, or down, even when you're at the airport! You can even use it with Alexa or Google Assist.

Designed to be installed quickly and easily, the MrCool DIY 24k is simple to install, so you can save money on those expensive installation charges. From installation, initial cost, and efficiency, the MrCool DIY 24k will save you money time and time again. It features an inverter compressor, which runs more quietly and efficiently than conventional reciprocating compressors, and maintains a nice and steady target temperature instead of simply turning on and off.

With the consumers in mind, the sleek white design of the MrCool DIY 24k ductless mini-split makes it a great choice for any spot in your home. The neutral aesthetic will be sure to blend seamlessly with your home decor. It also features Gold Fin anti-corrosion resistance, and the Follow Me feature for superior comfort control.

24k BTU 16 SEER MrCool DIY Ductless Heat Pump Condenser - DIY-24-HP-C-230AE

MrCool HA18612

The only ductless air conditioning and heating unit that is easy to install for thousands less than a conventional HVAC system. Mr Cool DIY even adjusts the temperature to the perfect degree wherever you are in your room.

A MRCOOL DIY Series heat pump is the only ductless mini split system on the market explicitly designed for amateur installation. You don't need special tools or training to install this high efficiency heat pump. The line set precharged with R410A refrigerant, the quick hook-up electrical connections, and the quality engineering mean just about anyone can install a MRCOOL DIY in their home with no problem at all in only a few short hours. If you want great air comfort without paying an arm and a leg for installation, you want an easy-to-use MRCOOL DIY Series ductless heat pump.

Unlike any other ductless heat pump on the market, the MRCOOL DIY series is specifically designed for easy installation. The MRCOOL DIY series comes with a precharged refrigerant line, alleviating one major obstacle to amateur installation in a single stroke.

MRCOOL ductless mini split air conditioners and heat pumps are the cutting edge of what modern, flexible fabrication can produce. These air conditioners rely on state-of-the-art manufacturing processes and advanced design to deliver high efficiency air comfort anywhere you need it.


  • EASY DIY INSTALLATION The included 25′ pre-charged 410 quick connect lineset allows you to install this innovative ductless system without special tools, equipment, or training.
  • FOLLOW ME Personalized Performance for wherever you are in the room. Keep the remote close by, and MRCOOL DIY will track the air temperature around you to ensure you receive maximum comfort.
  • LOW AMBIENT COOLING Cool all the way down to 5°F. Maintain cooling even when the outside temperature reaches 5 degrees. This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
  • AUTO RESTART Never lift a finger after a power outage. The MRCOOL DIY auto restart will have the unit running again in no time at all.
  • GOLD FIN CONDENSER Live on the coast? Don’t worry, our condenser is built to resist long term corrosion.
  • REMOTE APP WIFI CONTROL Control your DIY anywhere with your Apple or Android smart device and an internet connection.
  • TEMPERATURE COMPENSATION Our temperature compensation technology help keeps you comfortable in any weather conditions
  • 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.
  • SLEEP MODE We made Sleep Mode easy to program to save money, and let you sleep a little easier.
  • LOUVER POSITION MEMORY The louver will automatically move to the same position as you set last time the unit was turned on.

Warranty Terms

For a full description of all warranties applicable to this product as well as individual manufacturer requirements, please review the manufacturer's consumer brochure and/or product warranty documents.  Online warranty registration must be completed within 60 days of installation.  Due to state laws, online registration is not required in California or Quebec. Call for warranty availability on scratch & dent and surplus items.

For additional warranty information, click here.


Model DIY-24-HP-230AE
UPC 810512031764
AHRI Number 202576848
Avg Coverage Area 1,000 - 1,200 Sq Ft
Cooling Capacity 2 Ton
Cooling Efficiency 16 SEER
Heat Pump Efficiency (HSPF) 9
Series DIY
Zones 1
Region Compatibility Nationwide
Popular Applications Game Room, Garage, Guest Room, Man Cave, Server Room, Sunroom
California Residents see Prop 65 WARNING

DIY-24-HP-C-230AE Specifications:

Model DIY-24-HP-C-230AE
AHRI Number 202576848
UPC 810512031689
Avg Coverage Area 1,000 - 1,200 Sq Ft
Compressor Inverter
Cooling Capacity 2 Ton
Electrical Phase 1-Phase
Heat Pump Efficiency (HSPF) 9
Lineset Connection Type Quick Connect
Liquid Line Size 3/8 inch
Max Overcurrent Protection 25 amps
Primary Heating Capacity 20,001 - 25,000 BTU
Product Height 28
Product Length 14
Product Width 33
Cooling Efficiency 16 SEER
Series DIY
Suction Line Size 5/8 inch
System Application Type Ductless Split Systems
Voltage 240
Warranty 5 Year Parts, 7 Year Compressor
Weight 137.0000
Region Compatibility Nationwide

DIY-24-HP-WMAH-230AE Specifications:

Model DIY-24-HP-WMAH-230AE
AHRI Number 202576848
UPC 810512031726
Air Flow Direction Horizontal
Configuration Wall Mounted
Blower Motor Variable Speed
Cooling Capacity 2 Ton
Electrical Phase 1-Phase
Lineset Connection Type Quick Connect
Liquid Line Size 3/8 inch
Max Overcurrent Protection 25 amps
Product Height 13
Product Length 9
Product Width 43
Series DIY
Special Features WiFi Capable
Suction Line Size 5/8 inch
System Application Type Ductless Split Systems
Voltage 240
Warranty 5 Year Parts
Weight 29.0000


Q & A

Do you have questions about this product?

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Do you sell the cover kit for the line set and drain for the Mr. Cool DIY 24K.
Does this come with 25' of charged line?
How low ambient temp will this Mr cool diy 24k unit produce heat? I have the same question for the Mr cool infinity heating 24k.
What is the electrical requirement? Will it plug into a 110 outlet?
does the heat pump unit have a dehumidify setting? and does Mr cool make dual units for two different rooms?
does the 24K unit require 110 or 220 electrical power source?
What size unit for 1140 sq/ft raised ranch?
I have purchased a few Mr cool diy systems and so far so good . My question is if I want to move a system which would cause me to have to unhook the line set from condenser to pull line set back through the wall . Does the line set and condenser seal it self when we unhook it and then just re run where I want and RE conect line set as I did before ?
Is there any option for a longer line set?
What is the total wattage draw
What size of hole is required to run the lines thru?
The warranty is void if you install it yourself and are not a licensed hvac contractor?
What sq.ft. does it cover?
I need three heads . I have a trailer at the beach some shade . three areas need to be cooled and heated. main room is aprox . 550 sq ft includes kitchen and living room. at each end two bedrooms. one I little larger at aprox 250 sq.ft. the other 200. how much for the three heads with the line sets. they are 25, 25 and 50.
I am concerned about heating in the winter. I am in Southern Idaho, Temps in the winter tend to be below 0, down to as low as - 30 or so. Will this unit work for me? Can I keep the pump inside my garage and run lines up to my bonus room or does the pump have to be outside?
Due to the limited wall space between closets, doors, and windows, can I position the interior handler in a vertical position or in the corner of two walls or it should only be in a horizontal and against the wall? If latter is the case, can I use a plywood to cover the back against the window?
After installation, I will have about 20 feet of excess precharged line. What's the best way to store it? Spooled horizontally above or below the condenser unit or between the wall unit and condenser or what? and how tight of a spool is recommended? Thanks for your help
How well will this do for heat? We live in northern Minnesota where it gets to -30 in the mid winter.
hello we are wanting to know if you have brochures of your mr cool , if so could you please send us one thank you
I have a cabin in the midwest, 625 square foot main floor and a 300 sq foot upstairs loft. I was considering the 24000 BTU unit, which Mr. Cool DIY mini split unit would you recommend? Would I need a second head for the loft, especially since the winters and summers can be at extreme temperatures. Can you include the product number with your recommendation.

Thanks for your time,
How much noise is generated inside the room from the wall mounted component?
Is the warranty transferable?
Size of wall unit, width, height, depth?
I need to know the number or how to rent to own
The specs call for a 25 amp rated circuit. I presently have a 20 amp 240v circuit and my electrician wants to know if the unit uses 25 amps constantly or just during start up.
Can you get a shorter length charge line.
Is there any way to run two air handlers off the 24k unit. I have two separate spaces to condition. One on first floor and the other on the 2nd floor.
Do you make a diy unit for two zones?
What is the difference between the 230ae and 230b ?
Hi, Does the outdoor unit include wall mount brackets?
What is the decibel level for the outside unit? My garage is 21 x 30 x 10' ceiling height., fully insulated/finished with insulated (for what it's worth) roll up doors. Located near Phoenix, currently stays 10-12 degrees cooler than outside temps without any conditioning. Is the 24k the size needed? Thanks in advance.
I would like to install a split system in a 22 x 22 x 9 garage

I read some articles that it can not heat if it is to cold out

Let me know what you would recommend and your thoughts on the heating when it is below zero outside

Thanks for your help
Reduced selling Price for this complete ready to use kit?
Could these units be used for commercial applications such as office spaces?
What height should the unit be mounted on the wall?
Do you offer any discounts, like military or aarp?
Live in Orlando Fl. Planing to install unit in Fl room that does not have glass windows. Windows are vinyl. So was wondering if the 24 would be better. We use the room occasionally. Would the smaller be running all the time or go with the bigger unit that wouldn’t run as often?
How do I clean it?
Will this 24K BTU outside unit fit on the wall mount stand, that is sold separately, since it says for upto an 18K unit?
Is there a restriction or limitation for a horizontal run of the line set?
hello is the hole saw included for concrete or brick too? b/c i see in your desc for the hole saw its for "other" materials, would it be suitable for that material?
Is this a first or second generation model?
Is it ok to just to spool the 25 foot line? do you sell any "containment" units (box?) for this? I need only about 3 feet
Do you have any split units with an eer rating of 11 or above ?
can this outside compressor uni be used with a conventional a coil?
What is the size of the inside air handler on the 24k unit and is this heat pump or electric strip for heating ?
How well do they work in Alaska winters say the 1000 sq ft one?
What does this hook up to 210 or 120
Can the refrigerant lines be ran through the wall and out the bottom instead of going straight out the wall and down the outside of the wall?
Can this be used/connected in more than one room?
How long are the bundled white piping/plastic tube [electric connection and refrigerant line] from the condenser to the wall unit? Asking for the the 24k BTU 16 SEER MrCool DIY Ductless Heat Pump Split System.
Is there a bracket that would allow the outside unit to be hung on the wall outside?
Does this come in a three zone package with complete install kit for a do it yourself job?
In a 7 room house how do you split the air for multiple spaces
How many feet of line does the line cover set actually cover?
How does the self cleaning option work. I can't find any information on this. Also is there a setting like a normal air conditioner that allows this unit to shut off once it reaches a set temperature. Thanks
How many amps is this DIY 24k unit pulling in HEAT MODE vs COOL MODE? I'm assuming HEAT mode is much more amps? I have my 24k unit currently running on a 20amp breaker. It says max 25 amps but the unit says it only pulls 13.7 amps indoor and out.
What refrigerant does this system use and can you re-charge it ?
Is it noisy compared to a window A/C?
Does this cool too
How many air handlers can you hook up to one 24k heat pump unit ?
Do you have a unit that has supplemental electric heat for colder temps?
I need to cool off my living room & 2 rooms in the basement can I use 1 unit for that
What is the HSPF on this unit? I live in Eastern Maine and want to make sure this unit is going to save me money during the winter.
What is the lowest outdoor temperature that the unit can efficiently use to provide heating? What is the efficiency rating?
What is the recommenced breaker size for this system ?
I see a lot about using Mr Cool DIY for garages and basements. Is this unit reliable and effective at being the primary heating for a whole house in Seattle? I know it's called Mr Cool but we only need AC about two weeks total per year and heating for about 6 months. Also, I currently have a ductless minisplit so I know my house does fine with just one head. We recently added on a significant amount of space and just need a larger capacity unit.
Do you sell a mounting bracket for the outside unit?
This will going in a home on the coast , and will need to mounted above the bottom story.
HI. We are looking to air condition the third floor of a large house using a mini-split similar to the one we see on your website. 24,000 BTU should be about right. The lines would have to run up the outside of the house about 20 feet, then make a right angle into the wall and then up through the interior another 10 feet or so, and then through the attic to a central location another 30 feet or so. Is that something we can install ourselves with precharged lines, or would we need an AC technician to install and charge the unit?
What size would I need to heat and cool 1000 square feet?
Can the out door units be painted to match exterior walls?
can i come to the warehouse , to buy and p/u a unit ?
I live in a trailer or I mean mobile home the total square footage is 720 ft.² yes If got the one that would do is 15 to 1800 square-foot unit would that cool my mobile home
Can this unit be mounted on the wall towards the floor like in a hotel?
I will have a need for heating more often than cooling, for roughly 900 square feet. It seems like these units prefer to be cooling. Will it still serve me in a climate where winter temps fall to -5 (worse case) to +10 / +15 degrees F in the winter?
Can you add an additional 25' line set to this?
What would it require to heat an old farm house that has 4 rooms on one side of the house and 4 on the other?
If installed on an interior wall what do i need to do with the drain line? also where can i get the out wall mount kit for the condenser?
Can you use shorter AC lines?
What tools will I need? Will I have to buy anything special?
Hello, what protection can I use. What power does the unit have? A nominal current. Thanks
Can I purchase precharged extension lines for this unit? My installation run is over 25 feet.
How come the system doesn't have to be vacuumed after installation? Is this a different system than any other?
Is this the 2nd gen? Also, does it have the self cleaning mode
What's the difference between HA11719 and HA11722?
ITEM: HA11722. Does this kit come with everything needed to have it work, or do I need to purchase additional accessories?
I have a 900 sq ft house with 3 tiny bedrooms, kitchen, living room and bath. All bedrooms are off the living room (no hallways) ceilings are lower than 8 ft. Could I heat and cool my house with one unit in living room? If so, what size? I was thinking 24.
1) What size room would the 24k BTU model be appropriate for? We are looking to cover a 15x28 space in our 3rd floor attic
2) Since the room is in the 3rd floor attic and needs to be connected to a ground unit, can we order additional length to reach the ground unit about 30' down?
Would this be adequate to heat/cool a 24 x 32 fully insulated garage with 2 over head doors?
Does this unit come with the refrigerant lines, ddrain hose and cable from lower to upper unit?
Homeowner supply's power to unit and all installation hardware? 230v runs to lower unit from supply? Very interested in this product
Does this unit come with set? Does inside power come from condensing unit? What is amperage usage?
When I am buying one MrCool 24k BTU DIY bundle (heat pump condenser with a 24k BTU ductless wall mounted air handler), and I want to buy two additional wall mounted air handlers for two small bedrooms, do they have to be 24k BTU or less?

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