Pioneer® Quantum Ultra™ 12,000 BTU 21 SEER2 230V 8-Way Ceiling Cassette Ductless Mini-Split Inverter Heat Pump – Full Set

Upgrade your space with the Pioneer® Quantum Ultra™ 12,000 BTU Ceiling Cassette Mini-Split System—a powerful, energy-efficient, and ultra-quiet climate solution designed for modern homes and commercial spaces. Engineered with advanced inverter technology and a sleek 8-way airflow cassette design, this system delivers uniform cooling and heating performance while maintaining a clean, unobtrusive ceiling aesthetic.

Perfect for residential, office, retail, and hospitality applications, this full-set mini-split system is built for maximum comfort, energy savings, and easy installation.

Summary at a Glance

• High Efficiency Quantum Ultra Ceiling Cassette Split Heat Pump System
• Cooling capacity: 12,000 BTU/H with 21 SEER2 / 11.7 EER2 efficiency
• Heating capacity: 12,000 BTU/H with 10 HSPF2 / 3.5 COP2 efficiency
• Voltage: 208/230V, 60Hz, 1Ph
• Ceiling Cassette Mounted Ductless Air Conditioning & Heating System
• Variable-Speed DC Inverter Driven Performance
• Factory-Precharged with Environmentally Friendly R454b Refrigerant
• Ultra Low Ambient Range Operation (As low as -13°F in Heating / As high as 131°F in Cooling)

Key Features & Benefits

Powerful 12,000 BTU Cooling & Heating

• Ideal for medium-sized rooms
• Provides year-round climate control with both cooling and heat pump functionality
• Perfect for bedrooms, offices, shops, and condos

High-Efficiency 21 SEER2 Rating

• Save more on electricity bills with high SEER2 energy efficiency
• Environmentally friendly performance with reduced energy consumption
• Designed for cost-effective long-term operation

Advanced Inverter Technology

• Maintains consistent temperature without constant cycling
• Reduces noise, increases efficiency, and extends system lifespan
• Delivers faster cooling and heating response

8-Way 360° Airflow Distribution

• Ceiling cassette design ensures even air distribution in all directions
• Eliminates hot and cold spots for balanced comfort
• Ideal for open layouts and larger rooms

Ultra-Quiet Operation

• Whisper-quiet indoor unit—perfect for bedrooms and offices
• Enjoy comfort without disruptive noise

Complete Full Set Included

• Indoor ceiling cassette unit
• Outdoor condenser unit
• Wireless remote control
• Installation accessories (line set, wiring, and components depending on package)
• Designed for quick and hassle-free installation

Sleek & Space-Saving Ceiling Cassette Design

• Flush-mounted unit blends seamlessly into ceilings
• Keeps walls free for furniture and décor
• Ideal for modern interior designs

Why Choose This Mini-Split System?

• Buy now for energy savings and premium comfort
• Best ductless ceiling cassette air conditioner for modern spaces
• Perfect alternative to bulky window or central AC systems
• Low maintenance, high performance, long-lasting durability
• Great for both residential and commercial use
• 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

Technical Information & Performance

• AHRI Certificate
• Energy Guide
• Submittal Sheet

• System Kit

  • Power Supply: 208~230V, 60Hz, 1Ph
  • Cooling Rated Capacity: 12,000 BTU/h
  • Cooling Capacity Range: 2,000~13,600 BTU/h
  • Cooling SEER2: 21.0 BTU/W.h
  • Cooling EER2: 11.7 BTU/W.h
  • Heating Rated Capacity: 12,000 BTU/h
  • Heating Capacity Range: 3,100~12,700 BTU/h
  • Heating HSPF2 (Region IV/V): 10.0 / 8.9 BTU/W.h
  • Heating C.O.P.2 (47°F/5°F): 3.5 / 1.9 W/W
  • Refrigerant Type: R454b
  • Suitable Area: 350~500 sq ft
  • AHRI Reference: 217048759

• Indoor Unit

  • Part Number: CT012GLSILCFHG
  • Air Flow (Turbo/Hi/Med/Lo/Mute): 500 / 470 / 411 / 323 / 205 CFM
  • Sound Level (Turbo/Hi/Med/Lo/Mute): 46 / 44 / 36 / 32 / 30 dB(A)
  • Product Dimensions (WDH): 22"-1/2 x 22"-1/2 x 9"-5/8 Inches
  • Carton Dimensions (WDH): 28"-1/4 x 25"-7/8 x 11"-7/8 Inches
  • Net / Gross Weight: 32.0 / 38.6 lbs

• Decorative Panel

  • Part Number: CT0918DPNL
  • Product Dimensions (WDH): 25"-5/8 x 25"-5/8 x 2"-3/8
  • Carton Dimensions (WDH): 28"-7/8 x 28"-7/8 x 4"-3/8
  • Net / Gross Weight: 6.0 / 9.5 lbs

• Outdoor Unit

  • Part Number: YN012GLSI24RPG
  • Breaker Needed: 15A (double-pole)
  • Sound Level: 52 dB(A)
  • Net Dimensions (WDH): 31"-7/8 x 12" x 21"-5/8 Inches
  • Carton Dimensions (WDH): 32"-7/8 x 13" x 22"-5/8 Inches
  • Net / Gross Weight: 58.4 / 65.0 lbs.

Take Control of Your Comfort Today

Experience premium air conditioning performance, energy savings, and sleek design with the Pioneer® Quantum Ultra™ Ceiling Cassette Mini-Split. Enjoy fast, efficient cooling & heating all year round!

Dimension Chart