Mitsubishi Daikin FTXQ12ASBU9 & RXQ12ASBU9 12,000 BTU 20 SEER2 Oterra Wall Mounted Heat Pump System (115V) - R32 - RXQ12ASBU9/FTXQ12ASBU9
The Daikin FTXQ12ASBU9 indoor unit and RXQ12ASBU9 outdoor unit deliver powerful 12,000 BTU heating and cooling performance using eco-friendly R-32 refrigerant. This 115V Oterra Series system combines inverter-driven precision, quiet operation, and high efficiency. With Blue Fin corrosion protection, durable design, and simple maintenance, it provides long-lasting, energy-efficient comfort backed by Daikin’s 12-year limited parts and compressor warranty.
Key Features
• Inverter Swing Compressor Technology – Delivers precise, energy-efficient temperature control and reduced energy use.
• Flareless Joint Design – Simplifies installation and ensures a reliable, leak-free connection.
• Quiet Operation – Indoor noise levels as low as 21 dB(A) for peaceful comfort.
• Energy Efficient Performance – SEER2 up to 20.0, HSPF2 up to 9.0, and EER2 up to 12.0 for year-round savings.
• Wide Operating Range – Cooling from 50°F to 115°F and heating from 5°F to 65°F.
• Blue Fin Protection – Corrosion-resistant coating enhances outdoor unit durability and lifespan.
• Auto Functions – Includes Auto Restart, Auto Defrost, Auto Fan Speed, and Program Dry Mode for effortless comfort.
• Comfort Features – Wide-angle louvers, Vertical Auto Swing, and Sleep Mode for even airflow and optimal relaxation.
• Optional Accessories – Compatible with Wi-Fi adapter, wired and centralized controllers, and air-purifying filters.
• Extended Warranty – 12-year limited parts and compressor warranty (residential, with registration).
What Our Experts Think
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Efficient Performance: Delivers up to 20 SEER2 and HSPF2 ~ 9.0, making it energy-efficient for year-round comfort.
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Eco-Friendly Refrigerant: Uses R‑32, which has a lower global warming potential compared to older refrigerants.
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Durable Build: Features Blue Fin anti-corrosion coating on the outdoor unit to extend life in harsh environments.
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Quiet Operation: Indoor noise levels can drop as low as 21 dB(A) for minimal disruption.
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Smart & Flexible Control: Supports auto-restart, auto-defrost, and optional Wi-Fi control for modern convenience.
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Strong Warranty: Backed by a 12‑year limited parts and compressor warranty (with registration).
Q & A
Q: What is the unit’s capacity?
A: 12,000 BTU cooling and up to ~13,500 BTU heating.
Q: What voltage does it use?
A: 115 V, making it compatible with standard home electrical circuits.
A: It works down to 5°F (–15°C) in heating mode.
Q: What about sound levels?
A: Indoor unit can go as low as 21 dB(A); outdoor unit runs around 50 dB(A). Q: Does it come with a remote?
A: Yes, it includes a handheld wireless remote; Wi-Fi control is optional.
Maintenance Tips
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Clean or wash the indoor air filter regularly to maintain airflow and efficiency.
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Inspect and clear the outdoor unit of debris; the Blue Fin coating helps resist corrosion. For optimal performance, schedule yearly service to check refrigerant levels and verify system operation.
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Use “Dry Mode” or energy-saving functions when humidity is high to reduce load.
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Keep line sets and connections within the rated limits (max 66 ft total, 50 ft vertical) for reliable performance.
