Pioneer® 9,000 BTU 20 SEER 115V SEER 8-Way Compact Cassette Mini-Split Air Conditioner Heat Pump System

ENERGY STAR certified.
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The Pioneer® 9,000 BTU 20 SEER 115V Compact Cassette Mini-Split Air Conditioner Heat Pump System is a high-efficiency, versatile climate control solution. Designed for small to medium spaces, it offers an 8-way compact cassette system that provides even air distribution. The full set typically includes the indoor unit, outdoor unit, remote control, and installation kit. With its 20 SEER rating, it’s engineered for energy savings and may qualify for local utility rebates, making it both an eco-friendly and cost-effective option for temperature management.

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Brand: Pioneer


The Ultra High-Efficiency Inverter++ ceiling cassette split heat pump system is a state-of-the-art climate control solution that offers both cooling and heating capabilities. With a cooling capacity of 9,000 BTU/H and an impressive 20 SEER/12.5 EER efficiency rating, this system provides maximum comfort while minimizing energy consumption. The heating function is equally efficient, with a 9,000 BTU/H capacity and a 10 HSPF/2.93 COP efficiency, ensuring a cozy environment even during the colder months.

Operating on a voltage range of 110~120V at 60 Hertz, and requiring only a single phase for power, it is suitable for a wide range of residential and commercial applications. The compact design of the ceiling cassette allows for seamless integration into any space, maintaining the aesthetic appeal of the room while delivering top-notch air conditioning and heating.

The system’s Variable Speed DC Inverter Operation Mode is a standout feature, allowing for a highly adaptable performance that can adjust to the specific cooling or heating demands of the moment. This not only enhances comfort levels but also contributes to the system’s overall energy efficiency. The customizable length copper line set with flare connections offers installation flexibility, making it easier to fit into various building layouts without compromising on performance.

Energy-Star certification is a testament to the system’s eco-friendly and cost-effective operation. This is further evidenced by the AHRI’s estimated annual operating costs, which are remarkably low at $58.00 for cooling and $211.00 for heating. Such efficiency can lead to significant savings over time, making the Ultra High Efficiency Inverter++ not just an environmentally responsible choice, but also an economically wise investment for long-term climate control needs.

Ceiling cassette mini split systems offer a modern, unobtrusive way to regulate temperature in various settings, seamlessly integrating into the room’s design. With the R410A pre-charged outdoor unit, these systems are ready for installation, supporting up to 25 ft. of refrigerant line per circuit. It’s crucial to use the complete installation kit to ensure proper function, which includes essential components like copper refrigeration lines and communication wires. These systems not only provide cooling and heating but also feature dehumidification and ventilation modes, complete with digital frequency control for efficient operation. With a range of capacities from 9000 to 48000 BTU, there’s a configuration to fit virtually any requirement.

What’s Included

  • Indoor Unit
  • Outdoor Unit
  • Panel
  • Wireless Remote Control
  • Various Installation Kit Options Available
  • Flare Connection Leak Guard Sealer
  • Installation Manual
  • User’s Manual
  • Manufacturer Warranty

Our Guarantee

  • 5-year parts limited warranty
  • 5 year compressor limited warranty


Fresh Air Intake

The Pioneer CYB series cassette offers a provision of fresh-air intake via an optional reserved 65-75 mm port. New outdoor air can be easily brought inside to replace stale room air.


Built-in Drain Pump

Every cassette includes a condensate pump capable of vertically lifting drainage water to 30 inches for 9-18K models and 40 inches for 24K and above models.


8-Way, 360° Airflow

Enjoy omnidirectional air output that ensures the conditioned air proportionally reaches all 4 corners of the room, thanks to an innovative design featuring 4 sides and 4 corners of airflow.


Programmable Wired Controller Option

The system can be operated by a wired controller (part number: TST-MLW-I-X2) which enables the programming of weekly schedules, and usage without the handheld remote.


Wi-Fi Controllable via Free App

Control your new Pioneer CYB system by the remote, or remotely, via your iOS or Android smartphone. Set schedules, turn the system on or off, and monitor current indoor and outdoor temperatures worldwide. Requires separate purchase of the Smart Wi-Fi Kit (part number: TST-LCACWIFIKP).


Provision for Auxiliary Duct

A great benefit of the CYB cassette system is the option for connecting a small auxiliary duct to the side of the indoor unit for cooling a small nearby room, like a closet or bathroom. This air outlet connection must be cut out manually on the 9K-18K BTU size systems and is pre-made and reserved on the 24K BTU and above-sized units.



Pioneer Mini Split Certifications

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Additional Information

Weight 114.5 lbs
Installation Kit

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Product FAQ

Program – Residential Federal Tax Credit – Air Source Heat Pump
Heat pumps are either ducted or non-ducted (mini-splits).  Eligibility depends on whether you live in the north or south. Ducted South: All heat pumps that have earned the ENERGY STAR label North: Heat pumps designated as ENERGY STAR Cold Climate that have an EER2 > 10 Ductless (mini-splits) South: ENERGY STAR-certified heat pumps with
  • SEER2 > 16
  • EER2 > 12
  • HSPF2 > 9
North: ENERGY STAR Cold Climate heat pumps with
  • SEER2 16
  • EER2 9
  • HSPF2 > 9.5
Note: The information provided here about Air-Source heat pumps that are eligible for the tax credit is the most current available. Currently, eligible equipment must “meet or exceed the highest efficiency tier (not including any advanced tier) established by the Consortium for Energy Efficiency which is in effect as of the beginning of the calendar year.”  The eligibility requirements are subject to change based on the final CEE Criteria and the Internal Revenue Service (IRS).

Annual Limits on Energy-Efficient Home Improvement Tax Credits

In addition to limits on the amount of credit you can claim for any particular equipment installation or home improvement, there are annual aggregate limits.  The overall total limit for an efficiency tax credit in one year is $3,200.  This breaks down to a total limit of $1,200 for any combination of home envelope improvements (windows/doors/skylights, insulation, electrical) plus furnaces, boilers, and central air conditioners.  Any combination of heat pumps, heat pump water heaters, and biomass stoves/boilers are subject to an annual total limit of $2,000. (Note: ENERGY STAR-certified geothermal heat pumps are eligible for a separate tax credit and not counted against these limits.)

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Performance Data

  • Power Supply: 110~120V, 60Hz, 1Ph
  • Cooling Rated Capacity: 9,000 BTU/h
  • Cooling Capacity Range: 2,650~10,300 BTU/h
  • Cooling SEER: 20 BTU/w
  • Heating Rated Capacity: 10,000 BTU/h
  • Heating Capacity Range: 2,700~10,500 BTU/h
  • Heating HSPF: 10.0 BTU/w
  • Refrigerant Type: R410a
  • Suitable Area: 100~350 Sq. F

Indoor Unit Data

  • Model: CB009GMFILCFHD
  • Air Flow (Hi/Med/Lo): 379 / 309 / 261 CFM
  • Sound Level (Hi/Med/Lo): 43.0 / 39.0 / 36.0 dB(A)
  • Net Dimensions (WDH): 22.5 x 22.5 x 10.3 Inches
  • Carton Dimensions (WDH): 25.8 x 25.8 x 11.5 Inches
  • Net / Gross Weight: 35 / 41 Lbs

Panel Data

  • Net Dimensions (WDH): 25.5 x 25.5 x 2.0 Inches
  • Carton Dimensions (WDH): 28.0 x 28.0 x 5.0 Inches
  • Net / Gross Weight: 6 / 10 Lbs

Outdoor Unit Data

  • Model: YN009AMFI20RPD
  • Sound Level: 54.0 dB(A)
  • Net Dimensions (WDH): 30″-1/8 x 11″-15/16 x 21″-7/8
  • Carton Dimensions (WDH): 35″ x 13″-1/4 x 24″
  • Net / Gross Weight: 57.75 / 63.5 Lbs

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