Product Description

MRCOOL DIY® 5th Generation Single-Zone Ductless Mini-Split Heat Pump

No pros, no pressure. Just you.

The only mini-split on the market designed for full homeowner installation. No license, no technicians, no compromises.

The pre-charged 25-foot Quick Connect® line set makes installation safe, simple, and cost-effective. Pre-filled with R-454B refrigerant, it eliminates the need for vacuuming. The included DIYPRO® cable replaces the need for electrical conduit, offering added durability against weather, animals, and yardwork tools.

You can control the system using the included remote, the SmartHVAC app on Apple or Android devices, or voice commands via Amazon Alexa and Google Assistant. For coastal homes, the Gold Fin® condenser coating provides superior corrosion resistance, ensuring long-lasting performance.

This system offers multiple modes and features to enhance comfort and efficiency. The Timer function helps reduce energy use, while Auto mode maintains your set temperature effortlessly. After a power outage, the system automatically restores previous settings.

Backed by an industry-leading warranty, this system offers a base warranty that includes 7-year compressor/5-year parts coverage, along with eligibility for the MRCOOL® Care Program. With innovative technology, easy installation, and reliable performance, this system is built to deliver comfort and peace of mind.

Features

  • Intertek listed 5031495
  • Easy DIY installation
  • Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.
  • Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort.
  • The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

Highlights

  • Mount. Connect. Enjoy. The MRCOOL® DIY® system features a simplified installation thanks to our patented Quick Connect™ fittings that get you up and running in minutes. No waiting. No hassle. Just comfort, delivered fast.
  • Gold Fin® corrosion resistant condenser coil
  • Coolant alert with leakage detection
  • Warmth even at –13°F
  • Steady cooling, even at 122°F
  • Climate control for up to 1,550 sq ft
  • Follow Me® function: comfort that knows where you are
  • Easy comfort that you can control from anywhere
  • Louver position memory
  • Auto restart
  • ENERGY STAR® certified

Intertek-Tested & Certified

When it comes to easy installation and peace of mind, MRCOOL® stands alone as the ONLY company with patented pre-charged line set valves that have been tested and certified by Intertek.

With the Intertek stamp of approval, homeowners and contractors alike can be sure that their pre-charged installation will be faster, safer, and fully compliant with industry standards.

  • Pre-Charged Valve Control Intertek Number: 5029890
  • Certified Under: UL STD 207 | CSA STD C22.2 # 140.3
  • Rated to Handle 921 PSI: Built to last and tested for strength and leakage
  • Patent-Protected Design: No other line set has this level of certification or innovation
  • Versatile Usage: Works with R454B refrigerants
  • Intertek Certified: Backed by Intertek lab testing at Intertek Plano (TX) with full safety and pressure validation

Configurations

  • Complete System: Bundle includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote.
  • Condenser Only: DIY 5th Generation Mini-Split Condenser.
  • Air Handler Only: DIY 5th Generation Mini-Split Wall Mount Air Handler.

Optional Add-Ons

Installation & Maintenance Accessories

Specifications

Specification 9K 12K 18K 24K 36K
Complete System Model DIY-09-HP-WM-115D25-O DIY-12-HP-WM-115D25-O DIY-18-HP-WM-230D25-O DIY-24-HP-WM-230D25-O DIY-36-HP-WM-230D25-O
Condenser Model DIY-09-HP-C-115D25-O DIY-12-HP-C-115D25-O DIY-18-HP-C-230D25-O DIY-24-HP-C-230D25-O DIY-36-HP-C-230D25-O
Air Handler Model DIY-09-HP-WMAH-115D25-O DIY-12-HP-WMAH-115D25-O DIY-18-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O DIY-36-HP-WMAH-230D25-O
Cooling Capacity (BTU) 9,000 12,000 18,000 23,000 36,000
Heating Capacity (BTU) 10,000 12,000 18,000 23,000 36,000
Tonnage 0.75 1 1.5 2 3
Max Coverage Area 400 sq ft 550 sq ft 800 sq ft 1,050 sq ft 1,550 sq ft
SEER2 23.6 23.5 22.5 22.7 18
EER2 14 12.5 13.7 12.7 8.5
HSPF2 (Region 4) 11.5 10.2 11.5 9.5 8.5
HSPF2 (Region 5) 8.6 7.6 8.5 7.1 6.5
Voltage 115V 115V 208/230V 208/230V 208/230V
Phase / Cycle 1 / 60 Hz 1 / 60 Hz 1 / 60 Hz 1 / 60 Hz 1 / 60 Hz
Max Fuse/Breaker (A) 20 20 20 25 35
Min Circuit Ampacity (A) 18 18 18 24 33
Refrigerant R-454B R-454B R-454B R-454B R-454B
Refrigerant Volume (oz) 30.34 30.34 44.8 67.37 109.7
Sound Rating (dBA) 54 54 58.5 58.5 60.5
Sound Range Low / High (dBA) 18 / 43 18 / 43 19 / 54.5 20 / 54 27.5 / 55.5
Fan Speeds 5 5 5 5 5
Included Line Set Length 25 ft 25 ft 25 ft 25 ft 25 ft
Max Line Set Length 82 ft 82 ft 98.4 ft 164 ft 213.2 ft
Liquid / Suction Line 1/4" / 3/8" 1/4" / 3/8" 1/4" / 1/2" 3/8" / 5/8" 3/8" / 5/8"
Condenser Dimensions (W x H x D) 30.12 x 21.85 x 11.93 in 30.12 x 21.85 x 11.93 in 35.04 x 26.5 x 13.46 in 37.24 x 31.89 x 16.14 in 37.24 x 31.89 x 16.14 in
Condenser Net Weight 65.48 lbs 65.48 lbs 93.48 lbs 122.8 lbs 152.12 lbs
Air Handler Dimensions (W x H x D) 31.57 x 11.69 x 7.44 in 31.57 x 11.69 x 7.44 in 42.52 x 13.19 x 8.9 in 42.52 x 13.19 x 8.9 in 49.57 x 14.25 x 11.1 in
Air Handler Net Weight 24.91 lbs 24.91 lbs 35.49 lbs 35.93 lbs 48.72 lbs
Zones 1
Mount Type Wall
Color White
Inverter DC
Compressor Type Rotary
Filter Type Reusable
Oscillation Yes
Auxiliary Heater Not included / not available
Fan Only / Quiet Mode / Auto Cool Yes / Yes / Yes
Wi-Fi & App Control Yes (iOS & Android)
Remote Control Included
Certifications ENERGY STAR, UL Listed, ETL Listed, AHRI Certified
Warranty 7-year compressor / 5-year parts

Frequently Asked Questions

What is the main difference between the 4th and 5th generation of DIY® mini-splits?

The 5th Gen DIY® series uses R-454B refrigerant, a more efficient and eco-friendly option than previous refrigerants like R-410A.

What exactly is the MRCOOL® DIY®?

The MRCOOL® DIY® is the first and only true do-it-yourself heat pump system!

Does the system include the communication wire to connect the indoor to the outdoor unit?

Yes, the bundled DIY systems will include the necessary communication wires to let the indoor and outdoor units communicate.

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