MRCOOL DIY® 5th Gen E Star 9,000 BTU Single Zone Mini Split Condenser with 25 ft. Line Set 115V, DIY-09-HP-C-115D25-O
The MRCOOL DIY® 5th Gen 9,000 BTU Single Zone Mini Split is the perfect solution for year-round heating and cooling in small spaces from 200 to 350 sq. ft.—such as bedrooms, home offices, studios, or workshops. Designed for fast, easy installation and long-lasting performance, it brings modern comfort and convenience to any project.
Key Benefits
DIY, Tool-Free Installation:The 25 ft. QuickConnect® line set is pre-charged with R-454B refrigerant, eliminating the need for vacuum pumps or specialized tools. The DIYPRO® cable further streamlines setup by removing the need for electrical conduit, making installation quick and accessible even for those with no prior HVAC experience (details).
Smart Comfort Control:Easily adjust settings with the wireless remote, SmartHVAC app (Apple/Android), or voice commands via Amazon Alexa or Google Assistant.
Gold Fin® Condenser:Specially coated for superior corrosion resistance, making this unit ideal for coastal or humid environments.
Eco-Friendly & Efficient:Utilizes R-454B refrigerant, which has a lower Global Warming Potential (GWP) than legacy refrigerants like R-410A, reducing environmental impact and improving energy efficiency.
Industry-Leading Warranty:Enjoy a limited lifetime warranty, 7-year compressor coverage, and 5-year parts protection for total peace of mind.
Certified Quality:Intertek listed (5031495) for proven safety and performance.
Standout Features
Simple, fast installation—no special tools or professional experience required
Coastal-ready durability—Gold Fin® condenser for long-lasting performance
Smart, wireless control—modern convenience at your fingertips
Future-proof refrigerant—environmentally responsible and efficient
Comprehensive warranty—industry-leading protection for every install
Choose the MRCOOL DIY® 5th Gen 9K BTU for your next small-space project and deliver reliable, energy-efficient comfort with ease.
SPECIFICATIONS & DIMENSIONS
Dimensions & Weight
Dimensions
30.12 W" x 11.93 D" x 21.85 H"
Weight
65.48 lbs / 29.7 kg
DIY-09-HP-C-115D25-O Capacity & Performance
Zone Capacity
1
Cooling Capacity
9,000 BTU
EER2
14
SEER2
23.6
Heating Capacity
10,000 BTU
HSPF2-4
11.5
HSPF2-5
8.6
Coverage Area
200 - 350 sq ft.
Outdoor Noise Level
54 dB(A)
Electrical Requirements
Voltage
115V
Phase
1
Cycle
60 Hz
Max Fuse Breaker
20A
Min Circuit Ampacity
18A
Refrigerant & Piping
Refrigerant Type
R-454B
Refrigerant Volume
30.34 oz
Liquid Line Size
1/4"
Suction Line Size
3/8"
Max Line Set Length
82 ft.
DIY-09-HP-C-115D25-O 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
DIY-09-HP-C-115D25-O Certifications & Warranty
Certifications
UL Listed, ETL Listed, Energy Star Certified, AHRI Certified
Warranty
7 Years Compressor 5 Years Parts Extended Limited Lifetime Replacement *If the original owner does not register the unit, the warranty defaults to the standard 5 year parts, 7 year compressor warranty **The original, registered owner must be enrolled in the MrCool Care Program every year in order to qualify for the 7 year full unit replacement for compressor failure and lifetime compressor replacement.
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