Pioneer Quantum Ultra 18,000 BTU 23 SEER2 230V High-Wall Ductless Energy-Star Mini-Split Air Conditioner Inverter Heat Pump Full Set - WYT018GLSI24RL-10S
- Ultra High Efficiency Quantum Ultra Ductless Mini Split Heat Pump System
- Cooling capacity: 18,000 BTU/H with 23 SEER2 / 12.5 EER2 efficiency
- Heating capacity: 19,000 BTU/H with 10 HSPF2 / 3.64 COP2 efficiency
- Voltage: 208/230V, 60Hz, 1Ph
- High Wall-Mounted Ductless Air Conditioning & Heating System
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Wi-Fi Enabled and Controllable By Smartphone via the Free Pioneer Airlink App
- Variable-Speed DC Inverter Driven Performance
- Factory-Precharged with Environmentally Friendly R454b Refrigerant
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Ultra Low Ambient Range Operation (As low as -13°F in Heating / As high as 131°F in Cooling)
Features
- Heat Pump with Cooling, Heating, Dry, and Ventilation Modes
- Dual-Drainage Ports
- Washable, Reusable Air Filters
- Dual-Axis Airflow (Motorized Up-Down and Left-Right Louvers
- Functional Remote with:
- ECO and SLEEP Modes, for Energy-Conservation
- Timer On/Off Control
- TURBO, for Times of High-Demand
- Self-Clean Cycle
- MEMORY, to Recall Favorite Settings
- IFEEL, to Detect and Adjust to Local Temperature
What our Experts Think
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Balanced power for medium–large rooms
This 18,000 BTU system is optimally sized for ≈500–750 sq ft, delivering consistent comfort without overpaying for oversized capacity.
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Ultra‑high efficiency (23 SEER2 + 12.5 EER2)
Exceptional efficiency helps lower electricity costs while maintaining strong cooling and heating performance throughout the year.
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All‑season heat pump performance
Functions as a heat pump with cooling, heating, dry, and ventilation modes, and operates efficiently in extreme temperatures (as low as –13 °F heating to 131 °F cooling).
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Wi‑Fi smart control (Airlink app)
Built‑in Wi‑Fi lets users control settings, schedules, and modes from a smartphone, boosting convenience and smart home integration.
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Variable‑speed inverter & R454B refrigerant
Variable‑speed DC inverter operation provides precise temperature control and quieter cycling, while modern low‑GWP refrigerant improves environmental performance.
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Comfort‑enhancing features you’ll use
Dual‑axis airflow, ECO/Sleep/Turbo modes, timer, self‑clean, and I FEEL temperature sensing deliver personalized comfort and efficiency.
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Quiet, reliable operation
Indoor sound levels down to ~34 dB on low fan, making it suitable for bedrooms and living spaces without noise disruption.
Q&A
Q: What room size is this 18,000 BTU mini split suitable for?
A: Ideal for medium to large rooms (approx. 600–900 sq. ft), including living rooms, offices, and open-plan areas.
Q: Is this unit Energy Star certified?
A: Yes, it is Energy Star certified, ensuring high efficiency and lower energy costs.
Q: Does it provide both cooling and heating?
A: Yes, this inverter heat pump provides efficient year-round cooling and heating.
Q: How energy-efficient is the 23 SEER2 rating?
A: With 23 SEER2, it delivers excellent energy savings while maintaining consistent comfort.
Q: What is included in the full set?
A: Includes indoor high-wall unit, outdoor condenser, and installation kit (pre-charged with refrigerant).
Q: Does it support Wi-Fi or smart control?
A: Yes, compatible with Wi-Fi modules for remote control, scheduling, and monitoring via smartphone.
Q: How quiet is the indoor unit?
A: Ultra-quiet operation, typically 30–40 dB, suitable for bedrooms, living spaces, or offices.
Q: What voltage does it require?
A: Designed for 208–230V single-phase power.
Q: What comfort and usability features are included?
A: Turbo mode, ECO mode, sleep mode, self-cleaning, auto restart, timer, and multi-directional airflow for optimal comfort.
Q: Is it suitable for extreme weather conditions?
A: Yes, it performs efficiently in both hot summer and cold winter conditions.
Maintenance Tips
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Clean washable air filters every 2–4 weeks – Maintains optimal airflow and Energy Star 23 SEER2 efficiency
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Run self-clean function regularly – Prevents mold, bacteria, and odor buildup inside the indoor unit
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Keep indoor & outdoor units free of dust and debris – Ensures consistent airflow and peak cooling/heating for 600–900 sq ft spaces
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Check and clear condensate drain line – Prevents leaks and water damage
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Maintain 2–3 ft clearance around outdoor unit – Supports efficient heat exchange and inverter performance
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Inspect refrigerant lines annually – Ensures leak-free operation and reliable capacity
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Use ECO, Sleep & Wi-Fi smart modes – Reduces compressor wear and lowers energy consumption
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Schedule annual professional servicing – Maximizes inverter efficiency and extends system lifespan
