Pioneer® Diamante Pro™ 9,000 BTU 20 SEER2 230V Energy-Star Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Installation Kit

Upgrade your home comfort with the Pioneer® Diamante Pro™ 9,000 BTU Mini-Split System—a high-performance, energy-efficient ductless air conditioner designed for modern living. Built with advanced inverter technology and rated at an impressive 20 SEER2, this system delivers powerful cooling and heating while significantly reducing your energy bills. Perfect for bedrooms, small apartments, home offices, and single-zone applications, this Energy Star certified mini-split ensures year-round climate control with whisper-quiet operation.

Summary at a Glance

• High Efficiency Diamante Pro™ Ductless Mini Split Heat Pump System
• Cooling capacity: 9,000 BTU/H with 20 SEER2 / 12 EER2 efficiency
• Heating capacity: 10,000 BTU/H with 10 HSPF2 / 3.81 COP2 efficiency
• Voltage: 208/230V, 60Hz, 1Ph
• High Wall-Mounted Ductless Air Conditioning & Heating System
• Variable-Speed DC Inverter Driven Performance
• Factory-Precharged with Environmentally Friendly R454b Refrigerant
• Standard Ambient Range Operation (As low as -4°F in Heating / As high as 122°F in Cooling)

Powerful Cooling & Heating Performance

Experience superior comfort with 9,000 BTU cooling capacity and efficient heat pump functionality. Whether you're battling summer heat or chilly nights, this ductless mini-split AC system provides consistent temperature control with fast cooling and reliable heating performance.

Ultra High Efficiency – 20 SEER2 Rating

Save more on electricity costs with one of the most efficient mini-split systems on the market. The 20 SEER2 rating ensures maximum energy savings while maintaining optimal indoor comfort—ideal for eco-conscious homeowners and budget-savvy buyers.

Advanced Inverter Technology

Unlike traditional systems, the inverter compressor adjusts speed dynamically, delivering:

• Faster cooling and heating
• Lower energy consumption
• Reduced wear and tear
• Stable temperature control

Energy Star Certified

This system meets strict Energy Star standards, helping reduce your carbon footprint while qualifying for potential rebates and incentives.

Whisper-Quiet Operation

Enjoy peaceful comfort with ultra-quiet indoor and outdoor units—perfect for bedrooms, nurseries, or work-from-home setups.

Complete Installation Kit Included

Comes with a 16 ft. installation kit, making setup easier and more convenient. Ideal for HVAC professionals and DIY enthusiasts alike.

Smart Features & User-Friendly Controls

• Remote control included
• Multiple operating modes (Cool, Heat, Dry, Fan, Auto)
• Sleep mode for energy savings
• Timer and programmable settings

Perfect For:

• Bedrooms
• Small apartments or condos
• Home offices
• Garages and workshops
• Add-on rooms without ductwork

Why Buy the Pioneer Diamante Pro™ Mini-Split?

• High-efficiency 20 SEER2 ductless air conditioner
• Reliable inverter heat pump system
• Energy-saving and eco-friendly design
• Easy installation with included kit
• Trusted Pioneer brand performance
• 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: 9,000 BTU/h (0.75 Ton)
  • Cooling Capacity Range: 2,050~10,900 BTU/h
  • Cooling SEER2: 20.0 BTU/W.h
  • Cooling EER2: 12.0 BTU/W.h
  • Heating Rated Capacity: 10,000 BTU/h (0.83 Ton)
  • Heating Capacity Range: 2,050~12,200 BTU/h
  • Heating HSPF2 (Region IV/V): 10.0 / 8.5 BTU/W.h
  • Heating C.O.P.2 (47°F/5°F): 3.81 / 1.9 W/W
  • Refrigerant Type: R454b
  • Recommended Room Size: 250~350 sq ft
  • Minimum Room Size: 26 sq ft
  • Piping Diameter: 3/8" (Gas) / 1/4" (Liquid)
  • AHRI Reference: 217048741

• Indoor Unit

  • Part Number: WT009GLSI20HLF
  • Air Flow (Turbo/Hi/Med/Lo/Mute): 342 / 270 / 235 / 200 / 152 CFM
  • Sound Level (Turbo/Hi/Med/Lo/Mute): 43 / 41 / 36 / 31 / 29 dB(A)
  • Product Dimensions (WDH): 31"-7/8 x 8" x 11"-1/2 Inches
  • Carton Dimensions (WDH): 34"-7/8 x 10"-3/4 x 14"-3/8 Inches
  • Net / Gross Weight: 19.8 / 26.5 lbs

• Outdoor Unit

  • Part Number: YN009GLSI20RPF
  • Breaker Needed: 15A (double-pole)
  • Sound Level: 54 dB(A)
  • Net Dimensions (WDH): 31" x 11"-1/2 x 19"-3/8 Inches
  • Carton Dimensions (WDH): 33" x 13"-3/8 x 22"-3/4 Inches
  • Net / Gross Weight: 48.5 / 59.5 lbs

Energy-Efficient Comfort

Don’t settle for outdated cooling systems—upgrade to the Pioneer Diamante Pro™ 9,000 BTU Mini-Split today and enjoy powerful, quiet, and energy-efficient comfort all year long. Perfect for homeowners looking to buy a ductless mini-split air conditioner with heat pump at the best value.

Dimension Chart