Pioneer Quantum Hyperformance 12,000 BTU 25 SEER2 230V High-Wall Ductless Energy-Star Mini-Split Air Conditioner Inverter Hyper Heat Pump Full Set - WYT012GLSI25RH-10S
- Ultimate Efficiency Quantum Hyperformance™ Ductless Mini Split Heat Pump System
- Cooling capacity: 12,000 BTU/H with 25.0 SEER2 / 14.0 EER2 efficiency
- Heating capacity: 12,000 BTU/H with 10.5 HSPF2 / 4.0 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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Extreme Climate Operation (As low as -22°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
Performance
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System Kit
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Power Supply: 208~230V, 60Hz, 1Ph
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Cooling Rated Capacity: 12,000 BTU/h
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Cooling Capacity Range: 2,500~15,600 BTU/h
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Cooling SEER2: 25.0 BTU/W.h
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Cooling EER2: 14.0 BTU/W.h
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Heating Rated Capacity: 12,000 BTU/h
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Heating Capacity Range: 2,500~19,700 BTU/h
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Heating HSPF2 (Region IV): 10.5 / 9.0 BTU/W.h
- Heating C.O.P.2 (47°F/5°F): 4.0 / 1.8 W/W
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Refrigerant Type: R454b
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Recommended Room Size: 250~500 Sq.F
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Minimum Room Size: 40 sq ft
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Minimum Installation Height: 6 ft
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Piping Diameter: 1/4 x 3/8"
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AHRI Reference: 217048755
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Indoor Unit
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Part Number: WT012GLSI25HLH
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Air Flow (Turbo/Hi/Med/Lo/Mute): 500/470/411/323/205 CFM
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Sound Level (Turbo/Hi/Med/Lo/Mute): 46/44/36/32/30 dB(A)
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Product Dimensions (WDH): 36"-1/4 x 7"-5/8 x 12" Inches
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Carton Dimensions (WDH): 39" x 10"-1/2 x 15" Inches
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Net / Gross Weight: 23.1 / 30.9 lbs.
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Outdoor Unit
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Part Number: YN012GLSI25RPH
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Breaker Needed: 20A (double-pole)
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Sound Level: 57 dB(A)
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Net Dimensions (WDH): 34" x 13"-3/4 x 23"-3/4 Inches
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Carton Dimensions (WDH): 35" x 15"-1/8 x 24"-3/4 Inches
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Net / Gross Weight: 69.4 / 73.9 lbs.
Dimension Chart
What Our Experts Think
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12,000 BTU capacity (1 ton) perfect for bedrooms, offices, or small living areas.
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Ultra-efficient 25 SEER2 rating with Energy-Star certification for maximum savings.
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Inverter Hyper Heat technology ensures reliable performance even in extreme cold.
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High-wall ductless design provides quiet, space-saving comfort.
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Complete set includes indoor unit, outdoor unit, and 16 ft. installation kit.
Q&A
Q: What room size does this unit cover?
A: Ideal for spaces up to ~500 sq. ft. such as bedrooms, offices, or small apartments.
Q: Does it heat efficiently in cold climates?
A: Yes, the Hyper Heat pump is designed for strong heating performance even in freezing temperatures.
Q: Is it energy efficient?
A: Absolutely — with a 25 SEER2 rating and Energy-Star certification, it’s one of the most efficient in its class.
Maintenance Tips
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Wash or replace air filters every 2–4 weeks for consistent airflow.
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Keep outdoor condenser clear of snow, dirt, and debris.
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Inspect refrigerant lines and electrical connections annually.
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Schedule professional servicing once per year to maintain peak efficiency.
