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4th Gen DIY Series

MRCOOL DIY 4th Gen 36K BTU, 3 Ton, 18 SEER, Ductless Mini-Split Heat Pump Complete System (DIY-36-HP-WM-230C25)

MRCOOL DIY 4th Gen 36K BTU, 3 Ton, 18 SEER, Ductless Mini-Split Heat Pump Complete System (DIY-36-HP-WM-230C25)

Regular price $2,888.00 USD
Regular price $3,436.99 USD Sale price $2,888.00 USD
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  • Energy efficient 18 SEER, 12 HSPF
  • Easy DIY installation: pre-charged R-410A 25ft quick connect line doesn't require special tools, equipment, or training
  • Designed to efficiently heat and cool a single 1500 Sq Ft room

SKUDIY-36-HP-WM-230C25

Type36K - Single Zone

Line Set Length

This item is in stock! Estimated Arrival: 4-8 Days After Order is Received, Depending Upon Your Location.

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Have questions or need help selecting the perfect Mini Split system?

Talk with our expert HVAC team members now for assistance!!

System Description

  • DIY Installation

  • Wall Mounted

  • Voltage: 208 to 230

  • Outdoor Operating Temp (Cool): -13°F to 122°F

  • Number of Zones: 1

  • Heating Efficiency Temp 5°

PRODUCT DESCRIPTION

MRCOOL DIY 4th Gen 36K BTU Ductless Mini-Split Heat Pump – 3 Ton, 18 SEER, 25 ft. Line Set

Powerful, Energy-Efficient Climate Control for Large Spaces – No Professional Installation Required!

Take total control of your home’s heating and cooling with the MRCOOL DIY 4th Generation 36K BTU, 3 Ton, 18 SEER Ductless Mini-Split Heat Pump System (DIY-36-HP-WM-230C25). This high-capacity single-zone system is designed to efficiently heat and cool spaces up to 1,500 sq. ft., making it perfect for large homes, open-concept living spaces, garages, offices, and more.

With its Energy Star-certified 18 SEER rating, this system not only delivers exceptional performance but also reduces energy costs—giving you the best in comfort and efficiency. Thanks to MRCOOL’s pre-charged Quick-Connect Line Set, homeowners can install the system themselves without needing specialized tools or HVAC certification, saving thousands in installation costs.


🌟 Key Features & Benefits

✔ High-Efficiency Performance – Save More, Stay Comfortable

  • 18 SEER rating ensures optimized energy use while keeping your home comfortable.
  • Efficiently heats and cools large areas (up to 1,500 sq. ft.) for year-round comfort.
  • Energy Star Certified, meeting industry standards for energy savings and environmental efficiency.

✔ Complete DIY System – Everything You Need for Easy Installation

This all-in-one mini-split system includes:
36K BTU Outdoor Condenser
36K BTU Indoor Wall-Mounted Air Handler
25 ft. Pre-Charged Line Set with R-410A Refrigerant – No vacuuming or special tools required
Installation Kit with Communication Cable & Accessories

✔ DIY Installation – No HVAC Technician Needed

  • Pre-charged Quick-Connect Line Set eliminates the need for professional installation.
  • Save hundreds to thousands on HVAC labor costs.
  • Step-by-step guides and installation videos make setup easy and stress-free.

✔ Multiple Operating Modes for Maximum Comfort

Heating Mode – Delivers reliable warmth even in colder months.
Cooling Mode – Ensures powerful, energy-efficient cooling for summer.
Dry Mode (Dehumidification) – Removes excess moisture for improved air quality.
Sleep Mode – Optimizes nighttime temperature settings for comfort and energy savings.

✔ Smart Climate Control – Adjust Your System from Anywhere

  • Smart HVAC App enables remote access from your smartphone or tablet.
  • Works with Amazon Alexa & Google Assistant for voice-controlled comfort.
  • Follow Me Function – The remote control detects your location in the room and adjusts temperature accordingly.

✔ Industry-Leading Warranty for Peace of Mind

  • Limited Lifetime Compressor Warranty – The only mini-split system with this coverage!
  • 5-Year Parts & 7-Year Compressor Warranty – Reliable performance backed by MRCOOL.

✔ Extended Line Set Options for Custom Installations

Need a longer reach? Upgrade to 50 ft. or 75 ft. pre-charged line sets, complete with all necessary cables and accessories.


📦 Why Choose the MRCOOL 36K BTU DIY Mini-Split System?

Powerful 36K BTU capacity – Ideal for large spaces up to 1,500 sq. ft.
DIY-Friendly Installation – No HVAC experience required
Energy Star Certified18 SEER efficiency for lower energy costs
Smart App & Voice Control – Adjust settings from anywhere, anytime
Quiet Operation – Whisper-quiet performance for undisturbed comfort
Pre-Charged Line Set – Simplifies installation with quick-connect technology
Industry-Best Warranty – Limited Lifetime Compressor coverage


🛒 Order Your MRCOOL DIY 4th Gen 36K BTU Mini-Split Today!

Upgrade your home’s heating and cooling system with the MRCOOL DIY 36K BTU Ductless Mini-Split Heat Pump—offering exceptional performance, energy efficiency, and easy installation.

📦 Order now from MRCOOL DIY Direct – The USA’s most trusted MRCOOL dealer!

SPECIFICATION & DIMENSIONS

General

Warranty

5-Year Replacement

7-Year Compressor

Series Name

DIY 4th gen

Color

White

Type

DIY system

Dimensions

Air Handler Depth (Inches)

11.1

Height (Inches)

31.89

Air Handler Height (Inches)

14.25

Line-set Connection Size

3/8-in x 5/8-in

Air Handler Width (Inches)

49.57

Line-set Length

25-ft

Compressor Depth (Inches)

16.14

Maximum Coverage Area (Sq. Feet)

1550

Compressor Height (Inches)

31.89

Weight (lbs.)

147.27

Compressor Width (Inches)

37.24

Width (Inches)

37.24

Cord Length (Feet)

25.0

Zone Capacity

Single

Depth (Inches)

16.14

WHAT'S INCLUDED

  • 25' Pre-Filled Line Set

  • Remote Control

  • Communication Wire

  • Wall Sleeve

  • Condenser

  • Air Handler

COVERAGE AREA

Please refer to this coverage chart to determine how many BTUs are required for the area you would like to cool or heat.

Square Feet: 180-375 | BTU = 9K
Square Feet: 376-500 | BTU = 12K
Square Feet: 501-750 | BTU = 18K
Square Feet: 751-1,000 | BTU = 24K
Square Feet: 1,001-1,500 | BTU = 36K

Some additional factors may impact performance such as insulation, ceiling height and the number of appliances in the room. For assistance, contact our Sales Team.

OPTIONS & ACCESSORIES

MRCOOL Condenser Wall Bracket for 24K & 36K BTU Ductless Split Systems (MB440A)
MRCOOL Condenser Wall Bracket for 24K & 36K BTU Ductless Split Systems (MB440A)
$124.00
MRCOOL LineGuard 4.5-Inch 16-Piece Complete Line Set Cover Kit for Ductless Mini-Split or Central System (MLG450)
MRCOOL LineGuard 4.5-Inch 16-Piece Complete Line Set Cover Kit for Ductless Mini-Split or Central System (MLG450)
$133.43
Disconnect Switch and Electrical Whip with #8 AWG for ALL MRCOOL Condenser
Disconnect Switch and Electrical Whip with #8 AWG for ALL MRCOOL Condenser
$98.87
Elite Condenser Pad - 18 In. x 38 In. x 3 In. For Outside Ground Placement of the MRCOOL DIY Condenser
Elite Condenser Pad - 18 In. x 38 In. x 3 In. For Outside Ground Placement of the MRCOOL DIY Condenser
$79.67

Customer Reviews

Based on 2 reviews
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M
Mason Dupont
Five Stars for MRCOOL DIY Mini Split!

The MRCOOL DIY Mini Split exceeded all my expectations. The ease of installation and the amazing performance of the unit are worth every penny. When I encountered a minor hiccup during installation, the customer service team was there to help me every step of the way. I've saved so much by not hiring a professional, and I'm thrilled with the outcome. Highly recommend!

Z
Zoe Ming
MRCOOL DIY Mini Split - A Game Changer!

I'm so glad I chose the MRCOOL DIY Mini Split for my cooling needs. The ease of installation was unbelievable, and the performance has been flawless. The customer service team deserves a special shout-out for their exceptional support. I've become not just a satisfied customer but a customer for life!