Pioneer® Quantum Ultra™ 18,000 BTU 21 SEER2 230V Ceiling Concealed Ducted Mini-Split Air Conditioner Inverter Heat Pump Full Set

The Pioneer® Quantum Ultra™ 18,000 BTU 21 SEER2 230V Ceiling Concealed Ducted Mini-Split Air Conditioner Inverter Heat Pump Full Set combines high efficiency, quiet operation, and discreet ceiling-mounted design. Engineered for premium comfort, it delivers powerful heating and cooling with inverter-driven performance and eco-friendly refrigerant technology. Perfect for residential or light commercial applications, it provides reliable, year-round climate control even in ultra-low ambient conditions.

Specifications

• Cooling Capacity: 17,000 BTU/H (21 SEER2 / 11.7 EER2)

• Heating Capacity: 18,000 BTU/H (8.1 HSPF2 / 2.9 COP2)

• Voltage: 208/230V, 60Hz, 1Ph

• Mount Type: Ceiling Concealed Ducted System

• Refrigerant Type: R454b (Environmentally Friendly)

• Operating Range: Heating down to -13°F / Cooling up to 131°F

• Suitable Area: 500–750 sq. ft.

• Power Supply: 208~230V, 60Hz, 1Ph

• AHRI Reference: 217048764

Indoor Unit

• Model: RT018GLSILCFHG

• Air Flow (Turbo/Hi/Med/Lo/Mute): 500 / 426 / 370 / 300 / 283 CFM

• Sound Level (Turbo–Mute): 41 / 38 / 36 dB(A)

• Dimensions (W×D×H): 35½" × 19¼" × 7⅞"

• Carton Dimensions (W×D×H): 44⅛" × 21⅞" × 9⅞"

• Weight (Net / Gross): 39.7 / 46.3 lbs

Outdoor Unit

• Model: YN018GLSI24RPG

• Breaker Required: 20A (Double-Pole)

• Sound Level: 53 dB(A)

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

• Weight (Net / Gross): 90.4 / 97.0 lbs

Features

• All-Season Heat Pump: Cooling, Heating, Dry, and Ventilation Modes

• Dual-Drainage System: Allows flexible installation options

• Air Filtration: Washable and reusable air filters

• Dual-Axis Airflow: Motorized up-down and left-right louvers for complete coverage

• Smart Remote Control: ECO, SLEEP, TIMER, TURBO, SELF-CLEAN, MEMORY, and IFEEL Modes

• Inverter Technology: Variable-Speed DC Inverter for efficient and quiet performance

Technical Documents

• AHRI Certificate
• Energy Guide

Dimensions

• Indoor Unit (W×D×H): 35½" × 19¼" × 7⅞"

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