---
product_id: 449852057
title: "MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White"
brand: "mrcool comfort made simple"
price: "R76039"
currency: ZAR
in_stock: true
reviews_count: 8
category: "Mrcool Comfort Made Simple"
url: https://www.desertcart.co.za/products/449852057-mrcool-12-000-btu-wifi-smart-diy-star-4th-generation
store_origin: ZA
region: South Africa
---

# 22 SEER ultra-efficient cooling Whisper-quiet 23.5 dB operation 11.5 HSPF powerful heating MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White

**Brand:** mrcool comfort made simple
**Price:** R76039
**Availability:** ✅ In Stock

## Summary

> ❄️🔥 Elevate your comfort game with whisper-quiet, energy-smart climate control!

## Quick Answers

- **What is this?** MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White by mrcool comfort made simple
- **How much does it cost?** R76039 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/449852057-mrcool-12-000-btu-wifi-smart-diy-star-4th-generation)

## Best For

- mrcool comfort made simple enthusiasts

## Why This Product

- Trusted mrcool comfort made simple brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Silent Climate Control:** Ultra-quiet 23.5 dB sound level means comfort without distraction—perfect for work or relaxation.
- • **Next-Level Energy Savings:** Energy Star certified 22 SEER rating slashes your utility bills while keeping you cool.
- • **Year-Round Comfort Master:** 11.5 HSPF heating efficiency ensures cozy warmth through chilly months.
- • **Sleek & Space-Savvy Design:** Compact 16x26x36 inch wall-mounted unit blends seamlessly into modern interiors.
- • **Smart Coverage for Your Space:** Efficiently conditions up to 500 sq ft, ideal for home offices or stylish living areas.

## Overview

The Mrcool 4th gen Energy Star Ductless Mini-Split delivers top-tier 22 SEER cooling and 11.5 HSPF heating efficiency in a sleek, wall-mounted design. Operating at a whisper-quiet 23.5 dB, it covers up to 500 sq ft, making it the perfect energy-saving climate solution for modern living and working spaces.

## Description

Product description Low Ambient Cooling This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires consistent cooling all year. Low Ambient Cooling This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires consistent cooling all year. Leakage Detection In the unlikely event 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. Leakage Detection In the unlikely event 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. Gold Fin Condenser Designed with all the rust and corrosion resistance, the GoldFin Condenser used in the DIY series goes above and beyond to transfer heat at an even higher efficiently rate for better results. Gold Fin Condenser Designed with all the rust and corrosion resistance, the GoldFin Condenser used in the DIY series goes above and beyond to transfer heat at an even higher efficiently rate for better results. Follow Me Function: Temperature regulation based on user's location in home/building Follow Me Function Temperature regulation based on user's location in home/building DC Inverter DC inverters provide precise temperature control and significant energy savings by adjusting power output to demand, resulting in quieter operation and a more comfortable, efficient system. DC Inverter DC inverters provide precise temperature control and significant energy savings by adjusting power output to demand, resulting in quieter operation and a more comfortable, efficient system. Dependable Timer Why spend your time regularly making changes to your settings when you can make a schedule once? Set your MRCOOL DIY to start or stop operation automatically to best suit your unique needs. Dependable Timer Why spend your time regularly making changes to your settings when you can make a schedule once? Set your MRCOOL DIY to start or stop operation automatically to best suit your unique needs. MRCOOL Do-it-Yourself Mini Split Series 12000 BTU 18000 BTU 24000 BTU 36000 BTU

Review: Energy Efficient and ice cold AC! - This is my second Mr. Cool mini split that I've installed in our home. The unit is easy to install, I did hire an electrician to wire up a dedicated 30 amp circuit, but aside from that I did the rest of the install myself. You will need to purchase a hole saw for your drill to be able to drill the right hole through the wall. Sadly, I almost nicked the electrical wiring in my wall, BE VERY CAREFUL when using the hole saw that you're not drilling through plumbing or electrical wiring. Also, you will need to purchase a pad to set the unit on outside. I recommend a foam one, they are much easier to deal with than having to pour concrete, and fairly easy to get level. I didn't get it 100% perfectly level, but it's within tolerances and it looks great on the pad outside. The wires and the AC hoses are way too long, and that's my only complaint, the install doesn't look 100% professional because you can't cut the AC lines or they will loose all the refrigerant and you would have to recharge them again. Anyway, they are coiled up next to the unit. It's on the side of the house so no one can really see it. The remote is easy to use and has a lot of great functions including "follow me" which you can then set the remote next to your bed and it will maintain the temperature at the remote, instead of maintaining the temp at the unit. There is also a dehumidify function, but honestly I don't know how different it is then cooling. There is no way to properly dehumidify the room unless you cool it as well, so often times when I want to dehumidify I have to freeze myself out of the room as well. The heat works great in the winter, perfect for San Diego, not sure how perfect it would be in sub zero climates since it does take a while to come on in those climates. One thing I recommend is buying a line set cover to cover up the line sets outside. Unfortunately, most of them are barely big enough to fit the drain line, power and compressor lines, but you can squeeze them all in and get it to fit. The line set cover gives it a nice finished look. You can get a generic one on desertcart and save money versus buying the Mr. Cool one. One cool thing, we have solar on our roof (4.6kW) and running the Mr. Cool's in all 3 bedrooms of our home on a hot day our solar was still giving back 1KW to the power company. This is so much more efficient than a central AC system.
Review: Mr. Cool Split 12k BTU is amazing! - Well, so far….so wonderful! We watched videos and read the instruction, first of all. Hubby then laid out all the parts and they were all intact, well packed too. He then poured a concrete pad for the outside compressor and allowed it to dry and cure. Once he knew everything was ready, he took his time, a few hours, and installed the unit. WOW, AMAZING! Both inside and outside units are whisper quiet; can’t really hear the inside unit on the other side of the room. When I returned home from work, we installed the USB unit so we could control the system remotely from the app and from Alexa….this is great! Please be sure you take your time and follow instructions. Watch some YouTube videos, good ones, because there are definitely some lousy ones that will get you into trouble during install. All said and done? The install was easy and this unit will save you so much money because you don’t need to hire a pro. Cooling and Heating is so comfortable, without blowing hard or loudly into the room. The fan mode works well, as well. Right now I canno say enough about this system….wish we would’ve purchased this years ago. Good luck and I hope you enjoy your Mr. Cool as much as we do. Will add indoor pics soon. UPDATE: We’ve been using this unit daily and are absolutely impressed! We live in the desert so this time of year morning temps are in the 40s and daytime in the 80s, therefore we use AC and heat in the same day and this Mr. Cool is impressive, to say the least. I’m so hoping it is quality and holds up because we’re so happy with this purchase.

## Features

- Air Conditioner: 4th Generation DIY mini split air conditioner equipped with a low refrigerant alarm to prevent costly repairs and air filter cleaning and replacement alerts to ensure optimal air quality and efficiency
- Easy DIY Installation: No special tools, equipment, or training are required thanks to pre-charged Quick Connect line sets, making installation a breeze and completing in just a few hours
- Low Ambient Cooling: Capable of operating in cooling mode from as low as 5 degrees Fahrenheit, making it ideal for server rooms, greenhouses, and year-round cooling needs
- Auto Restart Feature: In case of power outages, the unit automatically restarts at previous settings, ensuring continuous comfort without manual intervention
- Comprehensive System Includes: Comes with an outdoor heat pump condenser, indoor wall-mounted air handler, upgraded DIYPro cable, remote control, Smart HVAC controller module WiFi smart kit, and installation kit for a complete solution

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B39H7CNK |
| Additional Features | DIY installation, Gold Fin condenser: corrosion-resistant coastal living - don't worry, our condenser is built to resist long term corrosion, Heating And Cooling Function, R-410A environmentally friendly refrigerant, Up to 22. |
| Air Conditioner Application | Residential |
| Air Flow Efficiency | 325.1 Cubic Feet Per Minute Per Watt |
| Annual Energy Consumption | 22.5 Kilowatt Hours |
| BEE Star Rating | Energy Star Certified |
| Best Sellers Rank | #1,413,371 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #346 in Split-System Air Conditioners |
| Brand | MRCOOL COMFORT MADE SIMPLE |
| Brand Name | MRCOOL COMFORT MADE SIMPLE |
| Capacity | 1 Tons |
| Color | White |
| Compressor Type | Rotary |
| Control Method | Remote |
| Controller Type | Alexa Compatible, App Control, Remote Control, Voice Control |
| Cooling Power | 12000 British Thermal Units |
| Core Material | Aluminium Alloy |
| Customer Reviews | 4.4 out of 5 stars 188 Reviews |
| Efficiency | High |
| Filter Type | Nylon |
| Floor Area | 500 Square Feet |
| Form Factor | Mini-Split |
| Included Components | Air Handler, Condenser, Installation Kit, Remote Control, Owner's Manual, Quick Connect Fixtures |
| Installation Type | Split System |
| Inverter Type | Has Inverter |
| Is Electric | Yes |
| Is Outdoor Unit Required | Yes |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 12"D x 30"W x 22"H |
| Item Type Name | Mrcool 4th gen Energy Star Ductless Mini-Split, White |
| Item Weight | 100.87 Pounds |
| Manufacturer | HVAC Distributing LLc |
| Model Name | DIY-12-HP-WM-115C25 |
| Model Number | DIY-12-HP-WM-115C25 |
| Noise | 23.5 Decibels |
| Number of Power Levels | 2 |
| Power Source | Hardwired |
| Product Dimensions | 12"D x 30"W x 22"H |
| Refrigerant | R-410A |
| Seasonal Energy Efficiency Ratio (SEER) | 22.00 |
| Series Number | 4 |
| Start Year | 2020 |
| Start year | 2020 |
| UPC | 810035935150 |
| Unit Count | 1.0 Count |
| Voltage | 115 Volts (AC) |
| Warranty Description | Warranty |
| Warranty Type | Limited |
| Wattage | 25.0 |

## Product Details

- **Brand:** MRCOOL COMFORT MADE SIMPLE
- **Capacity:** 1 Tons
- **Cooling Power:** 12000 British Thermal Units
- **Special Feature:** Heating And Cooling Function
- **Product Dimensions:** 16"D x 26"W x 36"H
- **BEE Star Rating:** Energy Star Certified
- **Seasonal Energy Efficiency Ratio (SEER):** 22
- **Color:** White
- **Voltage:** 115
- **Noise Level:** 23.5 Decibels

## Images

![MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White - Image 1](https://m.media-amazon.com/images/I/615RsN0L1TL.jpg)
![MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White - Image 2](https://m.media-amazon.com/images/I/61akuAOOkeL.jpg)
![MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White - Image 3](https://m.media-amazon.com/images/I/61qmLw113DL.jpg)
![MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White - Image 4](https://m.media-amazon.com/images/I/61kXQTFtc6L.jpg)
![MRCOOL 12,000 BTU WiFi Smart DIY Star 4th Generation Ductless Remote Controlled Mini Split Air Conditioner with Sleep Mode Function, White - Image 5](https://m.media-amazon.com/images/I/61o1eX+FoaL.jpg)

## Available Options

This product comes in different **Pattern, Style** options.

## Questions & Answers

**Q: what is the lowest outdoor operating temperature for heating mode?**
A: Neither of the two answers had to do with the HEATING function. Try again.

**Q: Can the condenser be mounted in an attic or does it have to be mounted outdoors?**
A: NO, the attic gets too hot in summertime.

**Q: Does the kit include the line set cover?**
A: No. It does not. You will need to buy that separately

**Q: Reviews cite a range from 20-30 Amp breaker for the 12K/115V. Max fuse rating is 25. What's best outside (fusable quick disconnect) vs at breaker box?**
A: I used a Eaton 60 amp, 2 pole non fusable , enclosed AC switch disconnect near the outside unit. I also used 6 ft outdoor "AC Whips" for the wiring outside made by Southwire. I ran indoor wire from the breaker to a junction box inside near the exit to the outside and joined the outdoor wire(AC whip) there as well. As using indoor wire outside is not up to code.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Energy Efficient and ice cold AC!
*by R***H on September 14, 2025*

This is my second Mr. Cool mini split that I've installed in our home. The unit is easy to install, I did hire an electrician to wire up a dedicated 30 amp circuit, but aside from that I did the rest of the install myself. You will need to purchase a hole saw for your drill to be able to drill the right hole through the wall. Sadly, I almost nicked the electrical wiring in my wall, BE VERY CAREFUL when using the hole saw that you're not drilling through plumbing or electrical wiring. Also, you will need to purchase a pad to set the unit on outside. I recommend a foam one, they are much easier to deal with than having to pour concrete, and fairly easy to get level. I didn't get it 100% perfectly level, but it's within tolerances and it looks great on the pad outside. The wires and the AC hoses are way too long, and that's my only complaint, the install doesn't look 100% professional because you can't cut the AC lines or they will loose all the refrigerant and you would have to recharge them again. Anyway, they are coiled up next to the unit. It's on the side of the house so no one can really see it. The remote is easy to use and has a lot of great functions including "follow me" which you can then set the remote next to your bed and it will maintain the temperature at the remote, instead of maintaining the temp at the unit. There is also a dehumidify function, but honestly I don't know how different it is then cooling. There is no way to properly dehumidify the room unless you cool it as well, so often times when I want to dehumidify I have to freeze myself out of the room as well. The heat works great in the winter, perfect for San Diego, not sure how perfect it would be in sub zero climates since it does take a while to come on in those climates. One thing I recommend is buying a line set cover to cover up the line sets outside. Unfortunately, most of them are barely big enough to fit the drain line, power and compressor lines, but you can squeeze them all in and get it to fit. The line set cover gives it a nice finished look. You can get a generic one on Amazon and save money versus buying the Mr. Cool one. One cool thing, we have solar on our roof (4.6kW) and running the Mr. Cool's in all 3 bedrooms of our home on a hot day our solar was still giving back 1KW to the power company. This is so much more efficient than a central AC system.

### ⭐⭐⭐⭐⭐ Mr. Cool Split 12k BTU is amazing!
*by T***S on April 20, 2023*

Well, so far….so wonderful! We watched videos and read the instruction, first of all. Hubby then laid out all the parts and they were all intact, well packed too. He then poured a concrete pad for the outside compressor and allowed it to dry and cure. Once he knew everything was ready, he took his time, a few hours, and installed the unit. WOW, AMAZING! Both inside and outside units are whisper quiet; can’t really hear the inside unit on the other side of the room. When I returned home from work, we installed the USB unit so we could control the system remotely from the app and from Alexa….this is great! Please be sure you take your time and follow instructions. Watch some YouTube videos, good ones, because there are definitely some lousy ones that will get you into trouble during install. All said and done? The install was easy and this unit will save you so much money because you don’t need to hire a pro. Cooling and Heating is so comfortable, without blowing hard or loudly into the room. The fan mode works well, as well. Right now I canno say enough about this system….wish we would’ve purchased this years ago. Good luck and I hope you enjoy your Mr. Cool as much as we do. Will add indoor pics soon. UPDATE: We’ve been using this unit daily and are absolutely impressed! We live in the desert so this time of year morning temps are in the 40s and daytime in the 80s, therefore we use AC and heat in the same day and this Mr. Cool is impressive, to say the least. I’m so hoping it is quality and holds up because we’re so happy with this purchase.

### ⭐⭐⭐⭐⭐ Two Years in the Vegas heat and still going strong!
*by M***Y on May 18, 2026*

Two Years in the Vegas heat and still going strong! The only complaint is that the line-set flexible cover has disintegrated from the direct sunlight. It keeps my garage nice and cool in 115 temps and all I do is hose off the dust and dirt once a year. I was able to install everything myself after having an electrician install the circuit and quick disconnect box. Highly recommended!

## Frequently Bought Together

- Mrcool DIY 12K BTU 4th Gen Energy Star Ductless Mini-Split Air Conditioner
- JEACENT Outdoor Wall Mounting Bracket for Ductless Mini Split Air Conditioner Heat Pump Systems, Universal, 9000-36000 Btu Condenser
- Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-05-30*