Review
The Daikin 36,000 BTU quad-zone wall-mounted mini-split (9+9+9+9 configuration) positions itself as a practical solution for homeowners and contractors seeking zone-based temperature control without ductwork. By breaking the system into four independent 9,000 BTU heads, it addresses real-world comfort needs where one central system creates hot and cold spots. Daikin's reputation for durability and field support makes this lineup particularly attractive to contractors who value long-term customer satisfaction and warranty coverage.
Performance metrics are genuinely impressive. The 18 SEER2 rating translates to cooling season efficiency roughly 10 percent higher than baseline 16 SEER2 competitors. Heating efficiency reaches 9.4 HSPF2, meaning each BTU of electricity produces 9.4 BTUs of heating output at 47 degrees Fahrenheit. The swing compressor design runs quieter than rotary competitors, measuring 22 dB in low-speed cooling and 58 dB at full capacity. However, the 5-degree Fahrenheit heating floor limits this system in northern climates without supplemental resistance heat.
Pros & Cons
Pros
- 18 SEER2 efficiency rating places this in the high-performance tier for mini-splits
- 9.4 HSPF2 heating efficiency covers most residential heating needs down to 5 degrees Fahrenheit
- Quad-zone configuration (9,000 BTU per zone) lets you heat and cool four rooms independently
- Swing compressor design reduces noise and improves reliability compared to rotary types
- 22-58 dB range means whisper-quiet operation in cooling mode, acceptable noise in heating
- 12-year parts warranty with online registration provides long-term protection
Cons
- Not Energy Star certified despite high SEER2 rating, which may concern efficiency-focused buyers
- Heating limited to 5 degrees Fahrenheit minimum, inadequate for harsh northern winters without backup
- Requires 208/230V single-phase power, limiting installation flexibility in older homes with 120V only
- Precharged for only 131 feet of line set, may require additional refrigerant charges for longer runs
Who Should Buy
Best For
Contractors installing multi-zone systems in new construction or renovation projects where separate temperature control matters, and homeowners with four distinct climate zones (master bedroom, guest bedroom, living room, office) seeking ductless efficiency without central system complexity.
Consider Alternatives If
Anyone in climates requiring consistent heating below 5 degrees Fahrenheit should pair this with supplemental heat, and electricians working in older residential properties limited to 120V electrical service.
Installation
Installation requires 208/230V single-phase service at 25 amps, potentially complicating retrofits in homes limited to 120V circuits. Refrigerant precharged for 131 feet allows straightforward runs in most residential applications. Four wall-mounted indoor units demand careful placement for airflow and aesthetic balance. Drain line requires 5/8-inch tubing routed away from structure. Professional installation is strongly recommended to ensure proper electrical connections and refrigerant charging.
Warranty & Reliability
The 12-year parts warranty activates through online registration and covers manufacturing defects in compressors and components. This extended coverage exceeds industry standard 5-year warranties significantly. Labor costs remain the homeowner's responsibility after year one, a standard limitation. Registration documentation must be retained. This warranty reflects Daikin's confidence in the swing compressor design's longevity.
Specifications
| SKU | FTXS09WVJU9 |
| Brand/Manufacturer | Daikin |
| Cooling BTU | 9000 |
| Heating BTU | 9000 |
| Refrigerant | R410A |
| Electrical | 208/230v 1 Phase 60 Hz |
| BTU/Tonnage | 9,000 BTU/0.75 Ton |
| Mini Split Type | Wall Mounted |
| Zone Compatibility | Multi Zone |
| Warranty | 12 Years with Online Registration |
| Decibel Level (dBA) | 22-58 |
| Weight (in lbs) | 20.000000 |
| Feature | Spec |
| Refrigerant Charge | precharged for: 131' |
| AHRI Certificate Number | 205663360, 205663361, 205663368 |
| Additional Information | Drain: 5/8" |
| Energy Star | No |
| HSPF2 | 9.4 |
| SEER2 (Efficiency) | 18 |
| Compressor Type | Swing |
| Liquid Line | 1/4" |
| Suction Line | 3/8" |
| Max Breaker Size | 25 Amps |
| Min. Breaker Size | 23.9 Amps |
| Amperage Requirement | 25 |
| Tonnage | 3 Ton |
| Min/Max Outdoor Temp for Heating | 5°F - 60°F |
| Min/Max Outdoor Temp for Cooling | 14°F - 115°F |
| Height | 11-5/8" |
| Width | 31-1/2" |
| Depth | 8-7/16" |
| Resources | Submittal Installation Manual Operation Manual You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here. |
| Maximum CFM | 145-420 CFM |
Frequently Asked Questions
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