Chat
What Size MRCOOL Mini Split Do I Need?
MRCOOL Mini Split Line Set Length Limits
MRCOOL DIY Select 9K BTU Wall Mounted Complete System – White or Black
Product Overview
The MRCOOL® DIY® Select 9K BTU 115V Ductless Mini-Split Heat Pump System delivers powerful, energy-efficient heating and cooling for spaces up to 400 square feet. Available in both white and black finishes, this complete system pairs the DIYS-09-HP-C-115A11-O outdoor condenser with your choice of white (DIYS-09-HP-WMAH-115A13-O) or black (DIYS-09-HP-B-WMAH-115A13-O) indoor wall mounted air handler to create a cohesive, modern look that complements any interior style .
Ideal for bedrooms, home offices, garages, studios, and similar-sized spaces, it provides consistent year-round comfort while helping reduce energy usage and monthly utility costs .
High-Efficiency Performance
The system delivers strong performance with a 17.5 SEER2 cooling rating and 8.8 HSPF2-4 heating efficiency, providing dependable, energy-efficient comfort year-round while helping control utility costs . Variable-speed inverter technology continuously adjusts output to match your space's exact demand, maintaining consistent temperatures without the on/off cycling of conventional systems .
True DIY Installation
Built as part of the MRCOOL® DIY® lineup, this system is engineered for true do-it-yourself installation, requiring no specialized tools, HVAC certifications, or prior experience . The included 11.5-foot Quick Connect® line set arrives factory pre-charged with environmentally friendly R-454B refrigerant, eliminating the need for vacuum pumps, refrigerant handling, or specialized HVAC tools .
The included 13-foot DIYPRO® cable further streamlines setup by replacing traditional electrical conduit while protecting wiring from moisture, pests, and everyday wear . Most components are included, making setup faster and more approachable for first-time installers .
Smart Control & Comfort Features
Comfort control is simple and flexible using the included wireless remote or the MRCOOL® Comfort app, which allows you to adjust temperatures, create schedules, and monitor energy usage from anywhere . Voice-control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience .
Advanced features like Dry Mode, Sleep Mode, Auto Mode, and programmable scheduling enhance comfort while optimizing efficiency . The Gold Fin® condenser coating provides added corrosion resistance for long-term durability, even in humid or coastal environments .
Quiet Operation
With indoor noise levels as low as 18 dB(A) in Sleep mode, this system is ideal for bedrooms, home offices, and any space where silence matters . The outdoor unit operates at just 54 dB(A) .
Peace of Mind
The MRCOOL® DIY® Select 9K is backed by a 2-year compressor warranty and 1-year parts warranty for added peace of mind .
What's Included
-
1 x 9K BTU Wall Mounted Air Handler (Choose White or Black)
-
1 x 9K BTU Heat Pump Condenser (DIYS-09-HP-C-115A11-O)
-
1 x 11.5ft Quick Connect® Pre-Charged Line Set (R-454B)
-
1 x 13ft DIYPRO® Communication Cable
-
1 x Wireless Remote Control