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

The Pioneer® Quantum Ultra™ 18,000 BTU 23 SEER2 230V High-Wall Ductless Energy-Star Mini-Split Air Conditioner Inverter Heat Pump Full Set is an ultra high-efficiency, wall-mounted solution featuring variable-speed DC inverter technology, Wi-Fi app control, and eco-friendly R454b refrigerant. Designed for reliable year-round comfort, it performs in ultra-low ambient conditions and is ideal for spaces needing quiet, precise heating and cooling.

Specifications

• Cooling Capacity: 18,000 BTU/H (23 SEER2 / 12.5 EER2)

• Heating Capacity: 19,000 BTU/H (9.5 HSPF2 / 3.81 COP2)

• Voltage: 208/230V, 60Hz, 1Ph

• Mount Type: High Wall-Mounted Ductless System

• Wi-Fi Control: Pioneer Airlink App

• Inverter: Variable-Speed DC Inverter

• Refrigerant: R454b (factory-precharged)

• Operating Range: Heat to −13°F / Cool to 131°F

• Room Size: 500–750 sq ft (recommended)

• Min Room Size: 51 sq ft

• Min Install Height: 6 ft

• Piping Diameter: 1/4" × 1/2"

• AHRI Reference: 217048752

Features

• All-Season Modes: Cooling, Heating, Dry, Ventilation

• Dual-Drainage Ports: Flexible installation

• Air Filters: Washable, reusable

• Dual-Axis Airflow: Motorized up-down & left-right louvers

• Remote Functions: ECO, SLEEP, TIMER, TURBO, SELF-CLEAN, MEMORY, IFEEL

Technical Information & Performance

• AHRI Certificate

• Energy Guide

• Indoor Unit

  • Part Number: WT018GLSI24HLG

  • Air Flow (Turbo/Hi/Med/Lo/Mute): 735 / 676 / 529 / 423 / 394 CFM

  • Sound Level (Turbo–Mute): 50 / 47 / 43 / 38 / 34 dB(A)

  • Dimensions (W×D×H): 43⅛" × 8¾" × 13"

  • Carton (W×D×H): 45⅞" × 11⅝" × 16"

  • Weight (Net / Gross): 30.9 / 35.3 lbs

• Outdoor Unit

  • Part Number: YN018GLSI24RPG

  • Breaker Needed: 20A (double-pole)

  • Sound Level: 53 dB(A)

  • Dimensions (W×D×H): 36½" × 15" × 27½"

  • Carton (W×D×H): 37⅜" × 16¾" × 28¾"

  • Weight (Net / Gross): 90.4 / 99.2 lbs

Dimension Chart

• Indoor (W×D×H): 43⅛" × 8¾" × 13"

• Outdoor (W×D×H): 36½" × 15" × 27½"