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Daikin 115v 9K-Btu 20 SEER2 Mini Split Heat Pump AC (5Β°F) 12 EER/9 HSPF (R32)

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In Stock RXQ09ASBU9/FTXQ09ASBU9

Experience ultimate comfort with the Daikin 115v 9000 Btu energy-efficient AC unit is perfect for any space, offering a powerful 20 SEER2 rating and the ability to operate in temperatures as low as 5 F. The ductless system includes a sleek wall mount indoor unit with a remote and a robust outdoor heat pump, ensuring you stay cool in the summer and warm in the winter. With features like low ambient cooling, self-diagnostics, and a quiet operation, this inverter mini split heat pump is designed for convenience and efficiency. Plus, it s precharged for easy installation up to 32.8 ft! Upgrade your home comfort with the Daikin Oterra today!

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Description

Daikin OTERRA 9K Wall Mount Mini Split
Daikin
9K BTU OTERRA Wall Mount Mini Split — 115V, 20 SEER2, R32, 5°F
9,000 BTU 115V 20 SEER2 R32 5°F Heating 12yr Warranty

Daikin OTERRA 9K Wall Mount Mini Split — 115V, 20 SEER2, R32, 5°F

Integrated with an inverter variable-speed compressor, OTERRA Series ductless systems deliver the capacity required to maintain desired room conditions, typically reducing energy consumption compared to traditional fixed-speed ducted systems. This technology minimizes temperature fluctuations and provides continuous cooling comfort.

An ideal solution for spaces with primary living areas, rooms with poor air flow, renovations, basements, attics, garages, and home add-ons. Wall-mounted units are simple to install and can be placed subtly, high on a wall, where they don't detract from your décor and operate very quietly. Uses R32 refrigerant — a lower-GWP alternative to R410a. Backed by an outstanding 12-year limited warranty. Free nationwide shipping included.

βœ… This Daikin 115V 9,000 BTU Package Includes
  • (1) 9,000 BTU Wall Mount Indoor Unit — with Remote
  • (1) Heat Pump AC Outdoor Unit
⚑ Efficiency & Performance
20
SEER2
12
EER
9.0
HSPF
5°F
Min Heat Temp
R32
Refrigerant
12 yr
Limited Warranty
Key Specifications
Model (Outdoor / Indoor) RXQ09ASBU9 / FTXQ09ASBU9
Series OTERRA
Capacity 9,000 BTU
SEER2 Rating 20
EER Rating 12
HSPF Rating 9.0
Voltage 115V, Single Phase
Refrigerant R32 (Lower-GWP)
Heating Operating Range 5°F to 64.4°F
Cooling Operating Range 50°F to 114.8°F (5°F with J6 jumper cut)
Max Piping (09/12 MBH) 65.625 ft length, 49.25 ft height
Indoor Sound Pressure As low as 25 dB(A)
Outdoor Sound Pressure As low as 46 dB(A)
Installation Type Wall Mount Ductless (Single Zone)
Indoor Unit Includes Wireless Backlit IR Remote Controller
Warranty 12-Year Limited Warranty (Registration Required)
Daikin OTERRA Wall Mount Indoor Unit

Daikin OTERRA Series wall mount indoor unit — quiet operation as low as 25 dB(A), backlit wireless remote, and inverter variable-speed compressor for consistent comfort.

β˜… Product Features

Variable-Speed Inverter Compressor

Adjusts output to match load in real time — minimizes temperature fluctuations, maintains continuous comfort, and reduces energy consumption vs. fixed-speed systems.

Quiet Operation

Indoor sound pressure as low as 25 dB(A) and outdoor as low as 46 dB(A) — whisper-quiet operation for bedrooms, offices, and living spaces.

Low Ambient Cooling

Cutting jumper J6 on the circuit board expands cooling operation down to 5°F — ideal for server rooms, commercial spaces, and year-round cooling.

Eco+ & Powerful Modes

Eco+ mode optimizes efficiency for extended runtime. Powerful mode ramps up for rapid temperature changes when you need quick comfort.

Auto Changeover (Heat Pump)

Automatically switches between heating and cooling to maintain your setpoint — no manual mode changes needed as outdoor temps shift.

Auto Restart & Self Diagnostics

Auto Restart resumes settings after a power outage. Self Diagnostics with digital display reports faults before they escalate.

Anti-Corrosion Heat Exchanger

Anti-corrosion treatment on the outdoor heat exchanger extends system life — especially useful in coastal and humid climates.

Long Piping Runs

Max piping for 09/12 MBH models: 65.625 ft length with 49.25 ft height — flexible equipment placement for most residential applications.

Why Buy From Mini Split Warehouse

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Free Nationwide Shipping

No weight limits. No dimensional charges. Free freight delivery on every order.

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Factory Warranty Included

Every unit ships with the full manufacturer warranty — no third-party coverage needed.

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βœ… Factory Warranty Coverage
12
Year Limited Warranty

*Warranty registration required at daikincomfort.com/owner-support/product-registration

❓ Frequently Asked Questions
Is this a 115V or 230V system?
This Daikin OTERRA 9K model is 115V single phase — it plugs into a standard household outlet circuit (dedicated breaker recommended). Larger OTERRA models are available in 208/230V.
Can I expand cooling to low outdoor temperatures?
Yes. Cutting jumper J6 on the outdoor circuit board expands the cooling operating range down to 5°F — ideal for server rooms and year-round cooling applications. Your installer can make this adjustment during installation.
What is R32 refrigerant?
R32 is a lower-GWP refrigerant with a significantly reduced environmental footprint compared to R410a. It's being widely adopted as a more sustainable alternative in modern HVAC equipment.
What is the warranty term?
This Daikin OTERRA system includes a 12-year limited warranty. Registration is required at daikincomfort.com/owner-support/product-registration to activate full coverage.
Will my warranty be valid if I don't use a licensed installer?
No. To maintain the manufacturer warranty, this system must be installed by a licensed HVAC technician. DIY installation voids the warranty. Registration is also required at daikincomfort.com.

Specification
Title Daikin 115v 9K-Btu 20 SEER2 Mini Split Heat Pump AC (5Β°F) 12 EER/9 HSPF (R32)
Brand Daikin
Category 9,000 Btu | .75 Ton | 150-400 Sq Ft
SKU RXQ09ASBU9/FTXQ09ASBU9
Condition new
UPC 633190268594
MPN RXQ09ASBU9
Reviews 1
5.0 1 review

Daikin Oterra 115V Mini Split

Keith Beck · October 2026

Finding a 20 SEER2 inverter heat pump with genuine Daikin Japanese engineering at around $1,400 feels like finding a cheat code for home comfort. Operating on standard 115V power saved a fortune on electrical upgrades right out of the gate, and while the physical setup required a quick assist from a certified installer to secure the massive 12-year warranty, the final result was pure perfection. The indoor air handler runs at a dead-silent 25 dBβ€”quieter than a falling leafβ€”while the variable-speed compressor effortlessly holding exact room temperatures through blistering summer heat and freezing 5Β°F winter mornings without sending the electric bill into orbit.

Customer Reviews

5.0 / 5 · 1 reviews
Daikin Oterra 115V Mini Split

Finding a 20 SEER2 inverter heat pump with genuine Daikin Japanese engineering at around $1,400 feels like finding a cheat code for home comfort. Operating on standard 115V power saved a fortune on electrical upgrades right out of the gate, and while the physical setup required a quick assist from a certified installer to secure the massive 12-year warranty, the final result was pure perfection. The indoor air handler runs at a dead-silent 25 dBβ€”quieter than a falling leafβ€”while the variable-speed compressor effortlessly holding exact room temperatures through blistering summer heat and freezing 5Β°F winter mornings without sending the electric bill into orbit.

Keith Beck · 2026-10-03

Mini Split Warehouse offers a wide selection of ductless air conditioners and split heat pumps, providing free shipping nationwide.

(877) 770-3548

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