MRCOOL 18,000 BTU 5th Gen DIY Mini Split

Name: MRCOOL 18,000 BTU 5th Gen DIY Mini Split
Brand: MRCOOL
Price: 2909.0 USD
Availability: InStock

SKU: mr16757k | Model: DIY-18-HP-WM-230D25-O

$2,909.00 ~~$2,979.00~~

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Manufacturer's Warranty

Limited Lifetime Warranty, 5-Year Limited Parts Warranty, 7-Year Limited Condenser Warranty

What's In The Box?

MRCOOL 18,000 BTU DIY 5th Gen Condenser DIY-18-HP-C-230D25-O
MRCOOL 18,000 BTU DIY 5th Gen Air Handler DIY-18-HP-WMAH-230D25-O
Remote Control
Smart Controller Kit
Remote Control Holder
AAA Batteries (2)
Installation Kit and Instructions
Owner’s Manual

Info & Guides

Description

The MRCOOL 18,000 BTU 5th Gen DIY Mini-Split is a ductless, single-zone split system providing heating and cooling for areas up to 800 square feet. This mini-split system offers high efficiency, quiet operation, and modern control features.

Whether you’re retrofitting an older room, finishing a garage, or adding customizable comfort to a home office, this 18,000 BTU mini-split system air conditioner offers efficient comfort without the hassle of ductwork. With advanced DIYPRO Quick Connect technology, Wi-Fi control, and energy-saving performance, it’s built for DIYers who want professional-grade results.

Key Features and Benefits of the MRCOOL 18,000 BTU 5th Gen DIY Mini-Split

Heating and Cooling Capability: This 18,000 BTU system provides heating and cooling in ambient conditions ranging from 5 to 122 degrees F. It functions as a high-efficiency heat pump, delivering comfort across multiple seasons.
Energy Efficiency: It is Energy Star rated with a SEER2 rating of 22.5 and HSPF2-4 of 11.5.
Quiet Operation: The air handler operates as quietly as 19 dB on low fan speed, suitable for noise-sensitive areas such as bedrooms and study spaces. The outdoor condenser operates at 58.5 dB.
Auto Restart: Power outage protected, this mini-split automatically restarts with the previous settings
Louver Position Memory: Maintains the swing louver airflow direction settings from when it was last powered on.
Leak Detection Alert: Displays error codes and triggers a safety shutdown response in the event of refrigerant leakage.

Easy DIY Installation

This MRCOOL mini-split air handler features a wall-mounted indoor air handler and corrosion-resistant outdoor condenser, both of which are engineered for durability and high performance in any climate and can be installed without an HVAC professional.

Tool-Free Installation: These secure, no-vacuum fittings allow installation without specialized tools, gauges, or vacuum pumps. Designed for wall penetration and quick setup, this system is well-suited for homeowners and skilled DIYers.
QuickConnect Line Set: The pre-charged line set with R-454B refrigerant has reduced Global Warming Potential (GWP) and environmental impact.
DIYPRO Cable: Ideal for DIYers, this cable removes the need for electrical conduit, making installation simple.
Gold Fin Protection: The outdoor condenser is protected with an anti-corrosion coating, ensuring years of use in coastal or humid environments.
Complete Installation Kit: This model includes everything needed for installation, including all hardware, pads, seals, caps, sleeves, cables, and tubing.

Note: Some areas may require professional testing or installation for this model’s warranty to be valid. Check local regulations and MRCOOL’s warranty information for more details.

Smart Control Features

The MRCOOL DIY mini-split system provides high-performance and completely customizable climate control through its user-friendly smart features.

Multiple Operation Modes: Set to operate on Auto, Sleep, Eco, Dry, or Active cleaning to get the most out of your mini-split, saving power, removing excess moisture, and upkeeping between maintenance, without sacrificing high-powered heating and cooling.
Smartphone Compatible: Download and connect this Wi-Fi-enabled smart mini-split to the MRCOOL SmartHVAC app, where you can set timers, adjust the mode, fan speed, temperatures, and more.
Voice Assistant Capable: Connect to a compatible voice control assistant, like Amazon Alexa and Google Assistant, to get touch-free control of your space's climate.
Follow Me Function: Uses the temperature at the remote control’s location to adjust the air handler's airflow output and improve comfort accuracy.

Sylvane's Expert Take

The MRCOOL 18,000 BTU 5th Gen DIY Mini-Split is an efficient and practical solution for homeowners seeking comfort in single zones up to 800 square feet without the expense of professional HVAC installation. The min-split system’s energy efficiency, quiet operation, smart control features, and true DIY installation capability make it a strong choice for year-round temperature management in mid-sized spaces.

This model is especially useful in applications where ductwork is impractical or unavailable, such as garages, bonus rooms, sunrooms, and converted attics or basements. Its straightforward installation process and comprehensive feature set make it one of the most accessible mini-split options available for residential use.

Made for the DIYer: This mini-split with a heat pump is made for easy, tool-free installations with all the hardware needed, including air handler mounting hardware, pre-charged line set, and even the batteries for the remote control.
Environmentally-Friendly: Upgraded to R-454B refrigerant, this mini-split uses a more environmentally safe refrigerant with less global warming potential than other refrigerants.

Specifications

Key Specifications

Energy Efficiency Ratio 2 (EER2)

13.7
Mounting Type

Wall
Number of Speeds

5
Seasonal Energy Efficiency Ratio 2 (SEER2)

22.5
Total Cooling Capacity (BTUs)

18000
Total Heating Capacity (BTUs)

18000

General

California Residents

⚠ WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov.
Certifications

AHRI, ETL, UL
Color

White
Compressor Type

Rotary
Heat Mode

Yes
Installation Type

Do-It-Yourself (DIY)
Maximum Cubic Feet per Minute (CFM) (CFM)

470.0
Maximum Indoor Noise Level (dB)

54.5
Maximum Operating Temperature - Cooling (degrees F)

122
Maximum Operating Temperature - Heating (degrees F)

75.2
Minimum Operating Temperature - Cooling (degrees F)

5
Minimum Operating Temperature - Heating (degrees F)

-13
Number of Zones

1
Recommended Coverage Area (sq. ft.)

800
Refrigerant Type

R-454B
Zone Cooling Capacity (BTUs)

18000
Zone Heating Capacity (BTUs)

18000