Pioneer® Quantum Ultra™ 18,000 BTU 23 SEER2 230V High-Wall Ductless Mini-Split Inverter Heat Pump Full Set

Upgrade your home or commercial space with the Pioneer® Quantum Ultra™ 18,000 BTU 23 SEER2 Mini-Split System—a premium, high-efficiency ductless air conditioner and heat pump engineered for maximum comfort, energy savings, and year-round climate control. Designed with cutting-edge inverter technology and Energy Star® performance, this system delivers powerful cooling and heating while keeping your energy bills low.

Whether you're replacing an outdated HVAC unit or installing a new ductless solution, this full mini-split system kit offers everything you need for a seamless installation and long-term reliability.

Summary at a Glance

• 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
• 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
• Ultra Low Ambient Range Operation (As low as -13°F in Heating / As high as 131°F in Cooling)

Powerful Cooling & Heating Performance

Experience superior climate control with 18,000 BTU capacity, ideal for medium to large rooms, including living rooms, offices, apartments, and retail spaces. The advanced heat pump functionality ensures efficient heating even in colder temperatures—making it a year-round HVAC solution.

Ultra-High Efficiency – 23 SEER2 Rating

Save more on electricity with an impressive 23 SEER2 efficiency rating, designed to reduce energy consumption without sacrificing performance. This Energy Star® certified mini-split helps you lower utility costs while reducing your environmental footprint.

Advanced Inverter Technology

The built-in DC inverter compressor automatically adjusts power usage based on your cooling or heating needs, delivering:

• Faster temperature stabilization
• Quieter operation
• Reduced wear and tear
• Significant energy savings

Whisper-Quiet Operation

Enjoy a peaceful indoor environment with ultra-quiet performance, perfect for bedrooms, offices, and study areas. The indoor unit operates at low noise levels while maintaining optimal airflow and comfort.

Complete Full Set – Ready to Install

This full mini-split system kit includes everything required for installation:

• Indoor high-wall air handler
• Outdoor condenser unit
• Wireless remote control
• Installation accessories (varies by package)

Perfect for DIY enthusiasts or professional HVAC installation.

Smart Comfort Features

• Multiple fan speeds & airflow modes
• Programmable timer & sleep mode
• Auto-restart & self-diagnosis
• Dehumidification mode for added comfort
• Remote control operation for convenience

Ideal Applications

• Homes & apartments
• Offices & commercial spaces
• Garages & workshops
• Rental properties & renovations

Why Buy the Pioneer® Quantum Ultra™ 18,000 BTU Mini-Split?

• High-efficiency 23 SEER2 Energy Star® system
• Powerful cooling & heating in one unit
• Energy-saving inverter technology
• Whisper-quiet indoor performance
• Complete full installation kit included
• Perfect for ductless HVAC upgrades
• 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: 18,000 BTU/h
  • Cooling Capacity Range: 4,000~19,000 BTU/h
  • Cooling SEER2: 23.0 BTU/W.h
  • Cooling EER2: 12.5 BTU/W.h
  • Heating Rated Capacity: 19,000 BTU/h
  • Heating Capacity Range: 4,000~21,000 BTU/h
  • Heating HSPF2 (Region IV/V): 10.0 / 8.2 BTU/W.h
  • Heating C.O.P.2 (47°F/5°F): 3.64 / 1.8 W/W
  • Refrigerant Type: R454b
  • Recommended Room Size: 500~750 sq ft
  • Minimum Room Size: 51 sq ft
  • Piping Diameter: 1/2" (Gas) / 1/4" (Liquid)
  • AHRI Reference: 217048752

• Indoor Unit

  • Part Number: WT018GLSI24HLG
  • Air Flow (Turbo/Hi/Med/Lo/Mute): 735 / 676 / 529 / 423 / 394 CFM
  • Sound Level (Turbo/Hi/Med/Lo/Mute): 50 / 47 / 43 / 38 / 34 dB(A)
  • Product Dimensions (WDH): 43"-1/8 x 8"-3/4 x 13" Inches
  • Carton Dimensions (WDH): 45"-7/8 x 11"-5/8 x 16" Inches
  • Net / Gross Weight: 30.9 / 35.3 lbs

• Outdoor Unit

  • Part Number: YN018GLSI24RPG
  • Breaker Needed: 20A (double-pole)
  • Sound Level: 53 dB(A)
  • Net Dimensions (WDH): 36"-1/2 x 15" x 27"-1/2 Inches
  • Carton Dimensions (WDH): 37"-3/8 x 16"-3/4 x 28"-3/4 Inches
  • Net / Gross Weight: 90.4 / 99.2 lbs

Premium Comfort at the Best Value

Don’t settle for inefficient cooling systems. Upgrade to the Pioneer® Quantum Ultra™ 18,000 BTU Mini-Split Heat Pump today and enjoy reliable, energy-efficient comfort all year long. Unbeatable value on high-performance ductless air conditioning systems!

Dimension Chart