Daikin FTXF18AXVJU & RXF18AXVJU 18,000 BTU 21 SEER2 Oterra Series Wall Mounted Heat Pump System - R32

Daikin FTXF18AXVJU & RXF18AXVJU – 18,000 BTU R-32 Wall-Mounted Mini-Split Heat Pump System

The Daikin FTXF18AXVJU indoor unit and RXF18AXVJU outdoor unit deliver exceptional 18,000 BTU heating and cooling performance using eco-friendly R-32 refrigerant. Designed for single-zone applications, this Oterra Series mini-split offers quiet comfort, inverter-driven efficiency, and advanced air purification—all backed by Daikin’s industry-leading warranty and reliability.

General Information

System Type: Wall-mounted ductless mini-split heat pump (indoor & outdoor)
Indoor Model: FTXF18AXVJU
Outdoor Model: RXF18AXVJU
Capacity: 18,100 BTU Cooling / 21,600 BTU Heating (1.5 Ton)
Room Size: Ideal for small to medium spaces
Operating Modes: Cool, Heat, Dry, Fan, Auto, Sleep
Refrigerant: R-32 (low-GWP, pre-charged up to 33 ft)
Included Remote: Wireless handheld remote with backlight

Key Features

• Daikin Swing Compressor with Inverter Technology – Provides efficient, precise temperature control and reduced energy consumption.
• Whisper-Quiet Operation – Indoor sound levels as low as 33 dB(A) ensure minimal noise disturbance.
• Energy Efficient Performance – SEER2 up to 21.0 and HSPF2 up to 9.6 for outstanding year-round savings.
• Wide Operating Range – Cooling from -4°F to 122°F and heating from 5°F to 65°F for versatile climate performance.
• Advanced Air Filtration – Titanium Apatite Air-Purifying Filter helps capture airborne particles and neutralize odors.
• Auto Functions – Includes Auto Restart, Auto Defrost, and Sleep Mode for comfort and convenience.
• Corrosion Protection – Outdoor coil treated with anti-corrosion coating for enhanced durability.
• Optional Wi-Fi Control – Compatible with Daikin DKN Cloud Wi-Fi Adapter (sold separately).
• Extended Warranty – 12-year limited parts and compressor warranty (with online registration).

Specifications (Rated Conditions)

Cooling Capacity (Rated/Range): 18,100 BTU | 6,900 – 22,000 BTU
Heating Capacity (Rated): 21,600 BTU
SEER2 / EER2: 21.0 / 12.0
HSPF2 (Non-Ducted): 9.6
COP (47°F): 3.6
Airflow (Indoor – CFM): 754 / 716 / 605 / 467 / 395 (HH–SL)
Moisture Removal: 0.6 gal/hr
Operating Temp Range (Cooling/Heating): -4°F–122°F / 5°F–65°F
Refrigerant Charge: 1.65 lbs (pre-charged up to 33 ft; add 0.18 oz/ft beyond)
Max Pipe Length / Height Difference: 66 ft / 49 ft
Electrical: 208–230V • 1-Phase • 60Hz
Indoor Unit Dimensions / Weight: 11-11/16″H × 39-9/16″W × 10-3/4″D • 30.5 lb
Outdoor Unit Dimensions / Weight: 27-13/32″H × 36-5/8″W × 13-13/16"D • 101 lb
Sound Pressure (Indoor / Outdoor): 33–49 dB(A) / 54 dB(A)

Included Components

• FTXF18AXVJU indoor wall-mounted unit
• RXF18AXVJU outdoor heat pump unit
• Wireless handheld remote controller
• 12-year limited parts and compressor warranty (with registration)

Ideal For

Homeowners seeking a high-efficiency, ultra-quiet single-zone comfort system. The Daikin FTXF18AXVJU & RXF18AXVJU Oterra Series delivers reliable year-round heating and cooling, exceptional energy savings, and advanced filtration in a sleek, compact design.