Pioneer Quantum Ultra 45,000 BTU Five-Zone Mini Split Heat Pump 9k+9k+9k+9k+9k

Name: Pioneer Quantum Ultra 45,000 BTU Five-Zone Mini Split Heat Pump 9k+9k+9k+9k+9k
Brand: Pioneer
Price: 5740.0 USD
Availability: InStock

SKU: pi17333k | Model: WYT050GLSI24M5-9W-9W-9W-9W-9W

$5,740.00 $6,499.00

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Manufacturer's Warranty

5-Year Parts and Compressor Limited Warranty

What's In The Box?

Pioneer Quantum Ultra 9,000 BTU Air Handler WT009GLSI24HLG (5)
Pioneer Quantum Ultra 42,000 BTU Outdoor Condenser YN050GLSI24M5G
Remote Control (5)
Owner's Manual, Guides, and Other Documents

Info & Guides

Designed for homes and buildings with multiple, medium-sized rooms, the Pioneer 45,000 BTU Five-Zone Quantum Ultra Mini-Split Heat Pump brings flexible, high-efficiency heating and cooling without the need for ductwork. Built on inverter technology and engineered for demanding climates, it offers precise temperature control while conserving energy.

This multi-zone system lets you heat or cool each space independently through wall-mounted air handlers. Whether you are balancing loads in a new build or replacing dated equipment, the Quantum Ultra platform provides a versatile, low-maintenance path to year-round comfort.

Key Features and Benefits of the Pioneer 45,000 BTU Five-Zone Quantum Ultra Mini-Split

Five-Zone Flexibility: Heat and cool five separate 350-square-foot spaces with 9,000 BTU air handlers and a 45,000 BTU outdoor compressor, giving you room-by-room temperature control and reducing energy waste in unused spaces.
High Efficiency Operation: This system's 22 SEER2 cooling rating and 9.5 HSPF2 heating performance lower operating costs compared with traditional split systems, helping you keep operating costs under budget.
Pioneer Inverter++ Compressor: This compressor's patented Pioneer Inverter++ technology automatically scales the output from 30 to 100 percent of capacity as needed, alleviating temperature swings and eliminating the hard start cycles that shorten equipment life.
Eco-Friendly Refrigerant: This model uses R-454B refrigerant, which has a lower global warming potential compared to legacy blends, supporting sustainability goals and regulatory requirements.
Quiet Operation: A 65 dB outdoor and 43 dB indoor max noise level minimizes disturbance in living spaces, offices, and patios.
Wi-Fi Ready Air Handlers: Pair the indoor air handlers with the Pioneer Free Airlink App, Google Assistant, Amazon Alexa, and other third-party voice control apps for remote scheduling, temperature adjustments, and zone monitoring from any smartphone. It also comes with a remote control for each air handler.

Note: This mini-split requires professional installation and does not include the 1/4 x 3/8" line sets required for proper installation.

Cold Climate Performance

Traditional heat pumps can struggle as temperatures rise or drop dramatically, but the Quantum Ultra Series is engineered for consistent output when you need it most. With it, you can maintain indoor comfort even when outdoor temperatures dip below -13 degrees F or rise to 131 degrees F. This makes the system a practical choice for mountain cabins, northern rentals, and light commercial properties looking to curb fossil-fuel use while safeguarding comfort.

The outdoor compressor housing is powder-coated for corrosion resistance, and an intelligent defrost cycle minimizes downtime during freezing rain or snow buildup. Because you can adjust each zone independently, you can reduce setpoints in seldom-used rooms, focusing energy where it matters and lowering utility expenses across the season.

Sylvane’s Expert Take

If you need reliable, energy-efficient climate control across several rooms, this Pioneer mini-split system delivers. The high SEER2 and HSPF2 ratings, extreme-weather performance, and inverter compressor translate into lower operating costs and year-round comfort. For flexible multi-zone heating and cooling without ducts, the Quantum Ultra platform is a strong, future-ready choice.