Sophistication Simplified - MRCOOL 4th Generation E-Star DIY AC & Heat Pump
MRCOOL's new fourth generation DIY all in one air conditioner/heat pump is the next step in at home comfort. MRCOOL offers the only ductless mini-split on the market SPECIFICALLY for DIY instillation. They have built upon the knowledge and success of previous models to make these units even more efficient, versatile, and easy to use. No need for special training or expensive, one-off tools, MRCOOL keeps the DIY'er in mind.
The MRCOOL DIY Gen 4 E-Star Ductless Mini Split AC with Heat Pump includes a 25 ft. line set that is pre charged with R410A refrigerant so all you have to do is plug them in and they're ready. No need to directly handle any dangerous chemicals or lug any heavy tanks around! The Gen 4 also now includes the all new DIY PRO cable. This cable includes a stronger electrical conduit that protects your cables from the weather, gardening tools, and even curious animals.
MRCOOL separates itself from the competition in other ways as well. Between the money you save installing these units by yourself and the possible rebates available for Energy Star models, the MRCOOL DIY is by far the most cost effective air conditioner on the market today. This system is the ideal DIY solution for room comfort when sized correctly. This system is also perfect for server rooms, greenhouses, and any other application that requires efficient, reliable cooling all year. On Top of that MRCOOL offers the BEST warranty in the business, so you're comfort includes peace of mind.
The MRCOOL DIY Gen 4 includes the ever improving SmartHVAC WiFi control module that features an easier setup process, improved functionality and works with Amazon Alexa and Google Assistant. You can control this unit from the included controller, but the SmartHVAC Wifi gives you the ability to control this unit with your phone! Scroll in comfort with the MRCOOL DIY Gen 4 AC unit now!
MRCOOL 4th Gen DIY Features & Benefits

Easy DIY® Installation
Precharged 410 Quick Connect Lineset
25' pre-charged linesets allow you to install this innovative ductless system without special tools, equipment, or training. Couplers are available for extended lengths!

Energy Star
Certified Efficiency
Going above and beyond for efficiency while maintaining optimum performance and reliability, the 12K, 18K and 24K models are Energy Star Certified.

Smartphone App
Enhanced Control from Anywhere
Control your MRCOOL DIY® anywhere with your Apple or Android smart device and an internet connection.

NEW DIYPRO™ Cable
Safety & Durability
The included DIYPro™ Cable eliminates the need for electrical conduit providing higher mechanical protection and durability.

Follow Me® Function
Personalized Performance
Keep the remote close by, and MRCOOL DIY® will track the air temperature around you to ensure you receive maximum comfort.

Leakage Detection
Protecting Your Investment
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
Cooling down to 5°F
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
Power outage? Don’t worry, the MRCOOL DIY® auto restart will have the unit running again in no time at all.

Sleep Mode
24-Hour Comfort
We made Sleep Mode easy to program to save money, and let you sleep a little easier.

Louver Position Memory
Remembers So You Don’t Have To
Horizontal louver will automatically move to the same position as you set last time the unit was turned on.

Gold Fin Condenser
Corrosion Resistant
Live on the coast? Don’t worry, our condenser is built to resist long term corrosion.

Digital Assistant Ready
Google Assistant & Amazon Alexa
The new MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

Best Warranty in the Business
Limited Lifetime* & 7 Yr Replacement* on Compressor + 5 Yr Parts
4th Gen DIY®s have an optional LIMITED LIFETIME compressor warranty*, a 7-year compressor replacement* warranty, and a standard 5-year parts warranty for the original registered owner.
Specifications
AC Unit Sizing | 12,000 BTU | 18,000 BTU | 24,000 BTU | 36,000 BTU |
---|---|---|---|---|
Cooling Capacity | 12,000 BTU | 18,000 BTU | 24,000 BTU | 36,000 BTU |
SEER | 22 | 22 | 20.5 | 18 |
Heating Capacity | 12,000 BTU | 18,000 BTU | 25,000 BTU | 36,000 BTU |
HSPF4 | 11.5 | 11.5 | 10.5 | 12 |
HSPF5 | 9 | 9 | 9 | 9 |
Indoor Noise Level | 23.5-37 dB(A) | 31-44.5 dB(A) | 33-48.5 dB(A) | 34-52 dB(A) |
Outdoor Noise Level | 53.5 dB(A) | 58.5 dB(A) | 60 dB(A) | 63 dB(A) |
Power Supply | 115V, 60Hz, 1 Phase | 208-230v, 60Hz, 1 Phase | 208-230v, 60Hz, 1 Phase | 208-230v, 60Hz, 1 Phase |
Minimum Circuit Amperage | 19A | 18A | 22A | 27A |
Maximum Fuse | 25A | 30A | 35A | 35A |
Refrigerant (oz) | 38.1 | 56.4 | 81.13 | 111.1 |
Piping Size (Liquid-side, Gas-side) | 1/4", 1/2" | 1/4", 1/2" | 3/8", 5/8" | 3/8", 5/8" |
Indoor Net Dimensions | 31.57 x 7.44 x 11.69 in. | 42.52 x 8.9 x 13.19 in. | 42.52 x 8.9 x 13.19 in. | 49.57 x 11.1 x 14.25 in. |
Outdoor Net Dimensions | 30.12 x 11.93 x 21.85 in. | 35.04 x 13.46 x 26.5 in. | 37.24 x 16.14 x 31.89 in. | 37.24 x 16.14 x 31.89 in. |
Indoor Shipping Dimensions | 36.02 x 16.34 x 13.98 in. | 49.09 x 19.57 x 16.93 in. | 49.09 x 19.57 x 16.93 in. | 56.69 x 21.26 x 19.09 in. |
Outdoor Shipping Dimensions | 35.04 x 15.75 x 27.56 in. | 40.55 x 18.11 x 29.13 in. | 42.91 x 19.88 x 35.04 in. | 42.91 x 19.88 x 35.04 in. |
Inside Net/Gross Weight | 24.03/34.17 lbs. | 34.61/56 lbs. | 35.27/60.19 lbs. | 47.84/78.26 lbs. |
Outside Net/Gross Weight | 65.7/85.3 lbs. | 94.36/117.5 lbs. | 125.22/163.6 lbs. | 147.27/186.3 lbs. |
Note: MRCOOL will not ship to Hawaii (HI). If you are in Hawaii, you will need to contact a freight forwarder.
Brand | MRCOOL |
---|---|
SKU | DIY-36-HP-WM-230C25 |
Lead Time | This product ships in 1-2 Business days |
ETL Listed | No |
UL Listed | No |
UPC | 810035935181 |
Hazardous Material | false |
Prop 65 | false |
Warranty | 7 Years On Compressor, 5 Years On Parts |
Weight (lb.) | 195.1100 |
Height (in.) | |
Width (in.) | |
Length (in.) | |
Air Conditioner Type | Mini-Split |
Installation Type | Quick Connect or DIY |
Air Conditioner BTU's | 36,000 BTU |
Cooling Capacity | 36000 |
Line Set Included | One 25 ft Precharged Line Set |
Built-In Heat Pump | Yes |
Heating Capacity | 36000 |
SEER Rating | 18 |
Number of Zones | One Zone |
ENERGY STAR Certified | No |
Amps | 28 |
Voltage | 230 Volts |
Shipping Restrictions | AK, HI |