Description

MRCOOL DIY 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with Ceiling Cassette Air Handler, 25 Ft. Line Set, 230V – DIY-18-HP-CM-230D25-O

Introducing the 5th Gen MRCOOL® DIY® 18K BTU Single Zone Mini-Split with Ceiling Cassette Air Handler for year-round heating and cooling in spaces 500 to 750 sq. ft. Easy DIY installation with included 25 ft. QuickConnect® line set and DIYPRO® cable. Customize comfort with wireless remote, SmartHVAC app, or voice commands. Industry-leading warranty for reliable, energy-efficient performance.

Features

DIY Installation: Easy, tool-free setup with no prior experience required.
DIY® QuickConnect® Line Set: Pre-charged with R-454B refrigerant for quick and vacuum-free installation.
Environmentally Friendly Refrigerant: R-454B refrigerant has a lower Global Warming Potential (GWP) than older refrigerants like R-410A, reducing environmental impact while improving energy efficiency.
DIYPRO® Cable: Eliminates the need for electrical conduit, offering enhanced durability against outdoor elements and wildlife.
Wireless Control Options: Use the included remote, SmartHVAC app (Apple and Android), or voice commands via Amazon Alexa and Google Assistant.
Follow Me Function: Maintains consistent comfort by adjusting airflow based on the remote’s location.
Dry Mode: Acts as a dehumidifier to reduce excess moisture and improve indoor air quality.
Gold Fin® Condenser: Provides corrosion resistance for coastal homes, ensuring long-lasting performance.
Industry-Leading Warranty: Limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty.
Certified Quality: Intertek listed 5031495 for reliable performance and safety.

Specifications


Dimensions & Weight
Condenser Dimensions	35.04 W“ x 13.46 D“ x 26.50 H“
Air Handler Dimensions	13.19″ D x 8.98″ H x 50.31″ W
Condenser Weight	93.48 lbs
Air Handler Weight	45 lbs
Capacity & Performance
Zone Capacity	1
Cooling Capacity	18,000 BTU
EER2	13.7
SEER2	22.5
Heating Capacity	18,000 BTU
HSPF2-4	11.5
HSPF2-5	8.5
Coverage Area	500 to 750 sq ft.
Outdoor Noise Level	58.5 dB(A)
Indoor Noise Level (Hi/Mi/Lo)	54.5/44.5/40.5/30.5/19.0 dB(A)
Electrical Requirements
Voltage	208-230V
Phase	1
Cycle	60 Hz
Max Fuse Breaker	20A
Min Circuit Ampacity	18A
Refrigerant & Piping
Refrigerant Type	R-454B
Refrigerant Volume	44.80 oz
Liquid Line Size	1/4″
Suction Line Size	1/2″
Max Line Set Length	98.4 ft.
Features
Inverter	DC
Compressor Type	Rotary
Fan Only Option	Yes
Quiet Mode	Yes
Auto Cool	Yes
Wifi Compatibility	Yes
App Compatibility	Yes
Works with IOS	Yes
Works with Android	Yes
Remote Control Included	Yes

What our Experts Think

Perfect Mid-Size Solution – With 18,000 BTU, this single-zone system is ideal for bedrooms, offices, or medium living spaces.

Energy Star Certified – High efficiency means lower utility bills and eco-friendly performance.

Ceiling Cassette Comfort – Discreet design frees up wall space while delivering even air distribution.

DIY-Friendly Install – Includes a 25 ft. pre-charged line set for quick, tool-free installation without special equipment.

Year-Round Use – Heat pump design ensures reliable cooling in summer and efficient heating in winter.

Q&A

Q: What size room does this 18,000 BTU system cover?
A: It efficiently heats and cools areas up to 750 sq. ft..

Q: Does this model come with a pre-charged line set?
A: Yes, it includes a 25 ft. pre-charged No-Vac line set for hassle-free DIY installation.

Q: What type of air handler does it use?
A: This model features a slim ceiling cassette air handler for discreet, space-saving comfort.

Q: Is it Energy Star certified?
A: Yes, it is Energy Star rated, ensuring high efficiency and energy savings.

Q: Can it heat as well as cool?
A: Absolutely — it functions as a heat pump, providing year-round comfort.

Q: Who is this unit best for?
A: Homeowners wanting a DIY-friendly, efficient ceiling cassette mini split for single-zone climate control.

Maintenance Tips

Clean or replace the air filters every 1–2 months for peak airflow and efficiency.

Wipe ceiling cassette panels and vents to prevent dust buildup.

Check the 25 ft. pre-charged line set for secure, leak-free connections.

Inspect the condensate drain regularly to avoid clogs and water leaks.

Keep the outdoor condenser free from debris, leaves, and obstructions.

Test the remote or smart controls to ensure smooth operation.

Schedule annual professional servicing to maintain SEER performance and extend system life.

MRCOOL DIY 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with Ceiling Cassette Air Handler, 25 Ft. Line Set, 230V – DIY-18-HP-CM-230D25-O-Schneller Versand

Description