Pioneer - Quantum Ultra Low-Ambient 1-Zone 9,000 BTU 23 SEER2 Ductless Mini Split Inverter Heat Pump with 16 ft. Lines 110/120V - White
About this product
The Pioneer Quantum Ultra 9,000 BTU Ductless Mini-Split delivers ultra-efficient, year-round climate control for rooms sized 250 to 350 sq. ft. This 115V high-wall system features 23 SEER2 cooling and 9.5 HSPF2 heating performance, while operating whisper-quiet indoors (as low as 30 dB). Built with a variable-speed DC inverter and pre-charged with eco-friendly R454b refrigerant, the system runs reliably in outdoor temps from -13°F to 131°F. Wi-Fi enabled and compatible with the free Pioneer Airlink app, you can control settings directly from your smartphone or voice assistant. The indoor unit includes motorized dual-axis louvers, dual-drain ports, and washable, reusable filters. Its smart remote control offers Cooling, Heating, Dry, and Ventilation modes, plus features like ECO, SLEEP, TIMER, TURBO, MEMORY, iFEEL, and Self-Clean. The full set includes indoor and outdoor units, wireless remote with holder and batteries, customizable copper lines and electrical wire, 10 ft. drain hose, wall sleeve, putty, leak guard, wrapping tape, installation and user manuals. Compact, reliable, and Energy-Star qualified, this system is the perfect solution for efficient heating and cooling in smaller spaces.
High-Efficiency Cooling & Heating
9,000 BTU/hour cooling (23 SEER2, 13 EER2) and 10,000 BTU/hour heating (9.5 HSPF2, 3.81 COP2) for year-round comfort in rooms 150–350 sq. ft.
Complete System Included
Indoor fan coil, outdoor condenser, wireless remote with holder, 16 ft. line set, installation accessories, and vibration absorber feet.
Advanced Inverter Technology
Pulse width modulation DC inverter compressor and variable-speed DC inverter fan motors for high performance, low power consumption, and reliable operation.
User-Friendly Controls & Versatile Operation
Dual-axis airflow, ECO and SLEEP modes, self-clean cycle, memory function, TURBO mode, IFEEL temperature sensing, timer on/off control, and standard ambient range operation (-13°F heating / 131°F cooling).
Certified & Energy-Safe
ETL, AHRI, and DOE certified; operates on 110/120V, 60Hz, 1Ph, and uses R-454b refrigerant; backed by support hotline for installation, troubleshooting, and warranty.
- Recommended Room Size350 square feetBTU Cooling Rating9000 british thermal unitsNumber of Cool Settings5Number of Fan Speeds5Airflow Rate153 cubic feet per minuteRemote ControlYes
Reviews
Rating 5 out of 5 stars with 1 review
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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The Pioneer Quantum Ultra 9,000 BTU Ductless Mini-Split delivers ultra-efficient, year-round climate control for rooms sized 250 to 350 sq. ft. This 115V high-wall system features 23 SEER2 cooling and 9.5 HSPF2 heating performance, while operating whisper-quiet indoors (as low as 30 dB). Built with a variable-speed DC inverter and pre-charged with eco-friendly R454b refrigerant, the system runs reliably in outdoor temps from -13°F to 131°F. Wi-Fi enabled and compatible with the free Pioneer Airlink app, you can control settings directly from your smartphone or voice assistant. The indoor unit includes motorized dual-axis louvers, dual-drain ports, and washable, reusable filters. Its smart remote control offers Cooling, Heating, Dry, and Ventilation modes, plus features like ECO, SLEEP, TIMER, TURBO, MEMORY, iFEEL, and Self-Clean. The full set includes indoor and outdoor units, wireless remote with holder and batteries, customizable copper lines and electrical wire, 10 ft. drain hose, wall sleeve, putty, leak guard, wrapping tape, installation and user manuals. Compact, reliable, and Energy-Star qualified, this system is the perfect solution for efficient heating and cooling in smaller spaces.

Discover the ideal blend of performance, precision, and control with the WYT-20 Diamante Pro Series from Pioneer. Engineered with a powerful DC inverter compressor and charged with eco-friendly R-454B refrigerant, this next-generation ductless mini split system achieves an impressive average efficiency of up to 20 SEER2, helping you stay comfortable year-round with lower energy consumption. Whether you're heating in freezing -4°F conditions or cooling on sweltering days, the WYT-20 delivers reliable performance across a wide operating range, and comes in 8-capacity options to suit any room size. Featuring 3D airflow with a dual-directional louver, the Diamante Pro evenly distributes air throughout the room for superior comfort. A modern flat-panel design with LED display meets function with style, while optional wireless internet control via the Pioneer AirLink app (module sold separately) gives you full command of your climate from anywhere. Quiet, efficient, and packed with smart features, this is climate control that adapts to your life.

Experience the ultimate convenience and superior performance with the MRCOOL DIY Easy Pro 9,000 BTU Mini Split Heat Pump. Designed to cover an area of up to 350 square feet, this 9,000 BTU air handler boasts an impressive SEER rating of 20, ensuring optimal energy efficiency.Installing the MRCOOL Easy Pro is a breeze. The system comes with a 16-foot pre-charged line set and is equipped with fast-connect fittings, enabling quick and effortless installation.DIY Mini SplitThe MRCOOL Easy Pro is the perfect solution for hassle-free DIY installation. With its user-friendly design, no special tools or training are required.16-foot Pre-Charged Lineset: The MRCOOL Easy Pro includes a convenient 16-foot pre-charged 1/4 x 3/8" line set, eliminating the need for complex refrigerant handling.Quick Hook-Up Connections: Say goodbye to worries about electrical work. The Easy Pro is equipped with quick hook-up connections, making the installation process quick and effortless.Two-Way Draining Connections: Simplify your installation experience with two-way draining connections. Not only does it make the setup easier, but it also adds flexibility to accommodate various drainage options.Minimal Tool Requirements: Get started with just a few typical DIY household tools. There is no need for specialized equipment, making installation hassle-free and accessible to everyone.Key Features Of The MRCOOL EZPRO-09-HP-11516Experience unparalleled control over your home's comfort with the remarkable features of the MRCOOL DIY mini-split system. Take advantage of these advanced functionalities that put comfort at your fingertips:Wi-Fi Design: Harness the power of Wi-Fi connectivity to control your unit from anywhere using your Android or Apple smart device. Simply download the MRCOOL SmartHVAC App from iTunes or Google Play and enjoy seamless control.Low Ambient Cooling: Enjoy efficient cooling even in extreme temperatures, as low as 5 degrees Fahrenheit. Ideal for applications like computer server rooms, greenhouses, or any space requiring year-round cooling.Fully-Functional Remote: Make adjustments with ease from the comfort of your favorite chair using the fully-functional remote control.Auto Restart: Stay worry-free even when you're away from home. The auto-restart feature ensures your system resumes operation with your preferred settings after a power outage.Louver Position Memory: The system remembers the horizontal louver position you set during the previous operation, saving you the trouble of readjusting it every time.Sleep Mode: Experience round-the-clock comfort while saving energy and money. Sleep mode adjusts the temperature for optimal comfort during sleeping hours.Auto Mode: Let the system intelligently select the mode based on your desired temperature, ensuring optimal comfort and efficiency.Turbo Mode: Get to your desired temperature faster than ever. Turbo mode enables the unit to rapidly cool or heat your space, reaching the set temperature in no time.Self-Clean: Maintain a fresh and clean evaporator effortlessly. The self-clean function automatically cleans and dries the evaporator, keeping it in optimal condition.Dry Mode: Control humidity levels with the dehumidifying function. Dry mode operates the unit at a consistent fan speed within your desired temperature setting, removing excess moisture from the air.Multiple Fan Speeds: Customize your comfort by selecting from auto, low, medium, or high fan speeds, tailoring airflow to your preferences.Programmable Timer: Keep your home comfort in sync with your schedule using the programmable timer. Set specific times for the system to turn on or off, ensuring optimal comfort and energy efficiency.Follow Me: Enjoy consistent air movement and temperature accuracy with the "Follow Me" feature. The remote displays the actual temperature at its location and signals the AC unit every 3 minutes for precise climate control.Sylvane's Expert TakeEnjoy ultimate convenience and superior performance with the MRCOOL DIY Easy Pro 9,000 BTU Mini Split Heat Pump, featuring easy installation, a 16-foot pre-charged line set, and fast-connect fittings.

Discover the ideal blend of performance, precision, and control with the WYT-20 Diamante Pro Series from Pioneer. Engineered with a powerful DC inverter compressor and charged with eco-friendly R-454B refrigerant, this next-generation ductless mini split system achieves an impressive average efficiency of up to 20 SEER2, helping you stay comfortable year-round with lower energy consumption. Whether you're heating in freezing -4° F conditions or cooling on sweltering days, the WYT-20 delivers reliable performance across a wide operating range, and comes in 8-capacity options to suit any room size. Featuring 3D airflow with a dual-directional louver, the Diamante Pro evenly distributes air throughout the room for superior comfort. A modern flat-panel design with LED display meets function with style, while optional wireless internet control via the Pioneer AirLink app (module sold separately) gives you full command of your climate from anywhere. Quiet, efficient, and packed with smart features, this is climate control that adapts to your life.
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