MRCOOL DIY 5th Gen 18,000 BTU 230V Single-Zone Smart Energy-Star Ductless Mini-Split Air Conditioner with 25 ft. Install Kit for up to 800 Sq. Ft.
Key Features
- Total Cooling BTU: 18000
- Coverage Area (Sq. Ft.): 800
- Number of Zones: 1 Zone
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$485/Month
Suggested monthly payments with 6-month special financing. Offer good now through 12/31/26.
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Delivery and Pickup Options
Superior Service, Before, During & After the Sale
We're dedicated to providing you with fast and reliable shipping options to get your products where they need to go.
Questions?
Call Customer Service at (877) 727-1909 let us know how to help.
Delivery and Pickup Options
Superior Service, Before, During & After the Sale
We're dedicated to providing you with fast and reliable shipping options to get your products where they need to go.
Questions?
Call Customer Service at (877) 727-1909 let us know how to help.
Delivery and Pickup Options
Superior Service, Before, During & After the Sale
We're dedicated to providing you with fast and reliable shipping options to get your products where they need to go.
Questions?
Call Customer Service at (877) 727-1909 let us know how to help.
Installation Options
About this Item
MRCOOL DIY 5th Gen 18,000 BTU 230V Single-Zone Smart ENERGY STAR Ductless Mini-Split Air Conditioner with 25 ft. Install Kit for up to 800 Sq. Ft.
Experience next-generation comfort with the MRCOOL DIY18HPWM230 --- a 5th Generation smart ductless mini-split system engineered for effortless DIY installation and year-round climate control. Designed for spaces up to 800 square feet, this 18,000 BTU unit delivers powerful, whisper-quiet heating and cooling at 230V --- all without the need for a professional HVAC technician.
Built for DIY. Engineered for Performance.
The MRCOOL DIY 5th Generation mini-split was designed from the ground up to be installed by a homeowner --- no special tools or HVAC certification required. The pre-charged 25 ft. QuickConnect line set snaps together quickly and securely, eliminating the need for a vacuum pump or refrigerant charging equipment. Complete your installation in just a few hours with basic tools, backed by step-by-step instructions and video tutorials every step of the way.
- 18,000 BTU cooling and heating capacity
- 230V operation
- 25 ft. pre-charged QuickConnect line set included
- Covers spaces up to 800 square feet
- Single-zone smart system with Wi-Fi control
- No vacuum pump or refrigerant tools required
- Detailed installation guide and video support available
- ENERGY STAR certified
Smart Home Ready --- Control From Anywhere
The DIY18HPWM230 connects to the MRCOOL SmartHVAC app, giving you full control from your smartphone, tablet, or smart home device. Compatible with Amazon Alexa and Google Assistant, you can adjust temperature, fan speed, and operating modes with a simple voice command --- whether you're at home or away.
- Wi-Fi enabled with MRCOOL SmartHVAC app
- Amazon Alexa and Google Assistant compatible
- Schedule, monitor, and adjust settings remotely
- Includes wireless remote control for local operation
Reliable Heat --- Even in Extreme Cold
Unlike traditional air conditioners, the MRCOOL DIY 5th Gen heat pump delivers reliable warmth even when outdoor temperatures plunge. The system's advanced cold-climate inverter technology maintains heating output in challenging weather conditions, providing true year-round comfort for spaces up to 800 square feet.
- Heat pump performance in low outdoor temperatures
- Inverter-driven compressor for consistent output
- Multiple operating modes: Cool, Heat, Fan, Dry, Auto
- Follow Me remote sensing for precision comfort
Year-Round Comfort
This heat pump system provides both cooling in summer and efficient heating in colder months. The advanced inverter compressor technology adjusts output based on actual demand, saving energy and maintaining consistent comfort without the temperature swings of traditional systems --- ideal for larger rooms and open living spaces up to 800 square feet.
ENERGY STAR Certified Efficiency
Earn savings every month with an ENERGY STAR certified system that consumes significantly less electricity than conventional window units or baseboard heating. The 5th Gen's intelligent inverter technology continuously optimizes energy usage to reduce utility bills without sacrificing comfort.
Ultra-Quiet Operation
Enjoy virtually silent performance with whisper-quiet indoor operation. Whether installed in a living room, primary bedroom, home office, or large open-plan space, the MRCOOL DIY 5th Gen runs discreetly in the background so you can sleep, work, or relax in total comfort.
Key Specifications:
- Model: DIY18HPWM230
- Cooling Capacity: 18,000 BTU
- Voltage: 230V
- Coverage Area: Up to 800 sq. ft.
- Line Set Length: 25 ft. pre-charged included
- Zone Configuration: Single-Zone
- Certification: ENERGY STAR
- Connectivity: Wi-Fi, Alexa, Google Assistant
- Refrigerant: R-454B
- Operating Mode: Heat Pump (Heating & Cooling)
- Generation: 5th Gen DIY Series
- Install Kit: Included --- No vacuum pump required
The Smart Choice for Efficient, Flexible Comfort
Whether you're cooling a large living area, heating an open-concept space, or managing the climate in a primary bedroom or bonus room, the MRCOOL DIY18HPWM230 delivers professional-grade performance at a fraction of the installation cost. With its ENERGY STAR efficiency, 230V operation, and smart home compatibility, this is the 18,000 BTU mini-split system built for today's homeowner. No pros, no pressure --- just you and total comfort for up to 800 square feet.
Product Height
13.19 Inches
Product Width
42.52 Inches
Product Depth
8.9 Inches
Product Weight (lbs.)
35.49 Lb(s)
Compressor Height
26.5 Inches
Compressor Depth
13.46 Inches
Compressor Width
35.04 Inches
Compressor Weight
114.2 Lb(s)
Color
White
Series
DIY 5th Gen
Number of Zones
1 Zone
Mount Type
Wall Mount
Coverage Area (Sq. Ft.)
800 Sq. Ft.
Total Heating BTU
18000 BTU
Total Cooling BTU
18000 BTU
No. of Air Flow Directions
-
Moisture Removal (Pints/hr.)
-
Max Indoor Noise Level (dBA)
54.5 dBA
Outdoor Noise Level (dBA)
58.5 dBA
Number of Line Set
1
Line Set Length (Ft.)
25 Ft
Leakage Detection
Yes
Heat Pump
Yes
CFM
-
Washable Filters
-
Additional Features
-
Heat/Cool
Yes
WiFi Connected
Yes
Smart Features
App Controllable, Status Monitoring & Alert, Works with Voice Assistant
Works with
Amazon Alexa, Google Assistant
Cooling Speeds
5
Number of Fan Speeds
5
Programmable Timer
Yes
Sleep Mode
Yes
Remote Control
Yes
Remote Control Included
Yes
Energy Star Rated
No
Energy Efficiency Ratio (EER)
13.7
Energy Star Approved
Yes
Seasonal Energy Efficiency Ratio (SEER)
22.5
Estimated Electricity Use (kW/yr)
-
Estimated Yearly Energy Cost ($)
-
Power Source
230/208V-60Hz-1 Phase
Amperage (A)
20 Amps
Voltage (V)
230 Volts
Refrigerant Type
R-454B
AHRI Certified
Yes
ETL Listed
Yes
UL Listed
Yes
Warranty Terms - Parts
60 Month(s)
Warranty Terms - Labor
-
Compressor Warranty (Months)
84
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Amount Financed
$2909.00
Suggested Equal Monthly Payment
$485
Promotional Period
6Mo.
The Suggested Equal Monthly Payment shown above (which may exclude taxes and delivery) may be greater than the required minimum monthly payment that will be on your billing statement when you use the 6-month promotional financing offer.
This estimated payment:- Equals the amount financed divided by 6 rounded to the next highest whole dollar.
- Would pay off the amount financed within 6 months, but only if there are no other balances on your account at any time during the 6-month promotional period and you make your payments on time. Your total payments will equal the amount financed.
If the amount financed is not paid in full within 6 months, interest will be charged to your account from the purchase date and your total payments will be greater than the amount financed.
IMPORTANT: The information about the Suggested Equal Monthly Payment shown assumes the following promotional financing offer is applied to the amount financed:
No Interest if Paid in Full Within 6 Months*
On Everything we sell with your P.C. Richard & Son Credit Card now through 12/31/26.
Interest will be charged to your account from the purchase date if the promotional purchase is not paid in full within 6 months. Minimum monthly payments required.
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