Pioneer 36,000 BTU Quad-Zone Quantum Ultra Mini Split Heat Pump 9k+9k+9k+9k

SKU: pi17330k  |  Model: WYT040GLSI24M4-9W-9W-9W-9W
Sale price $4,150.00 Regular price $4,599.00

Have a question or need a quote? Ask Our Experts

Live Chat | 1 (800) 934-9194 | Request Callback | Email

Manufacturer's Warranty

5-Year Parts and Compressor Limited Warranty

What's In The Box?

  • Pioneer 35,000 BTU Quad Zone Outdoor Condenser YN040GLSI24M4G
  • Pioneer 9,000 BTU Indoor Evaporator WT009GLSI24HLG (4)
  • Installation Manual
  • Owner's Manual

Perfect for multi-room projects, the Pioneer 36,000 BTU Quad-Zone Quantum Ultra Mini-Split Heat Pump 9k+9k+9k+9k delivers targeted cooling and heating through one outdoor section and four wall-mounted indoor heads. The system pairs proven ductless technology with an advanced inverter compressor to give you efficient, on-demand climate control without the footprint of traditional ductwork.

Whether you are finishing a new build or upgrading an existing space, this Pioneer mini-split heat pump offers the flexibility to serve four separate zones while maintaining streamlined installation. Its variable-capacity design adapts output continuously, so each zone receives just the right amount of conditioned air for year-round comfort.

Key Features and Benefits of the Pioneer 36,000 BTU Quad-Zone Quantum Ultra Mini-Split

  • Four-Zone Flexibility: Heat and cool four separate 350-square-foot spaces with four 9,000 BTU air handlers and a 35,000 BTU outdoor compressor, giving you room-by-room temperature control and helping reduce energy waste in unused spaces.
  • High Efficiency Operation: This system's 22.5 SEER2 cooling rating and 9.5 HSPF2 heating rating 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 46 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-inch line sets required for proper installation.

Installation Flexibility

Standard mini-splits often struggle with harsh outdoor temperatures, but the Quantum Ultra Series is specifically designed to deliver reliable performance in all conditions. This system keeps indoor spaces comfortable even when the temperature drops to -13 degrees F or climbs to 131 degrees F, making it an ideal option for mountain homes, northern rentals, and light commercial environments.

The outdoor compressor is coated with a durable powder finish to resist corrosion, and the advanced defrost cycle reduces downtime during icy rain or snow conditions. Additionally, this system gives independent zone control, enabling you to lower temperatures in less-used areas, which helps direct energy where it’s needed most and reduces utility costs throughout the season.

Sylvane’s Expert Take

If you need reliable, energy-efficient climate control across four rooms, the Pioneer Quad-Zone Mini-Split is a well-rounded solution. Its high SEER2 rating keeps operating costs in check, while the inverter compressor and wide temperature range make it practical for everything from cold-climate residences to mixed-use buildings. Installation flexibility, independent zone control, and a lower-impact refrigerant round out a package that balances performance with responsible design.

Customer Reviews