Fujitsu AOU24RLXFZ 24,000 BTU 2-3 Zone Multi vs Fujitsu AOUH24KWAS3 24,000 BTU 3-Zone Multi
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Quick take: The Fujitsu AOUH24KWAS3 24,000 BTU 3-Zone Multi replaced the Fujitsu AOU24RLXFZ 24,000 BTU 2-3 Zone Multi, which is discontinued; the Fujitsu AOUH24KWAS3 24,000 BTU 3-Zone Multi is the more efficient unit (23 SEER2).
| Spec | Fujitsu AOU24RLXFZ 24,000 BTU 2-3 Zone Multi | Fujitsu AOUH24KWAS3 24,000 BTU 3-Zone Multi |
|---|---|---|
| Price | $2,582 | $2,709 |
| Rating | — | — |
| Type | Multi-Zone | Multi-Zone |
| Capacity | 24k BTU | 24k BTU |
| Coverage | ~1,000 sq ft | — |
| SEER2 (cooling) | 18 | 23 |
| HSPF2 (heating) | 9.5 | 10.5 |
| Low-Ambient Heating | to 5°F | to 5°F |
| Max heat at 5°F (NEEP) | not listed | 19,200 BTU |
| Heat kept at 5°F | — | 80% of rated |
| Refrigerant | R-410A | R-32 |
| Zones | 3 zones | 3 zones |
| Voltage | 230V | 230V |
| WiFi Control | Optional / none | Optional / none |
| Install | Pro-install; price is for the outdoor condenser only — a common build adds two ASU12RLF1 wall heads. Connected capacity must land between 14,000 and 27,000 BTU across 2-3 zones, and each zone needs its own line set within Fujitsu's length budget, so plan head placement before you buy. | Pro install from a licensed contractor; Fujitsu's warranty does not cover equipment bought online. The price is for the outdoor unit only, with up to three indoor heads added on top. Fujitsu's submittal allows 164 ft of total line set (82 ft per zone, 98 ft pre-charged), and connected indoor capacity can run up to 130% of the outdoor unit. |
| Warranty | Up to 10-year parts/compressor through a registered installing dealer; Fujitsu explicitly does not warranty online-purchased equipment | 5-year parts / 7-year compressor standard; 10 years parts and compressor with online registration within 60 days of a licensed-contractor install; 12 years when installed by a Fujitsu Elite Contractor. Units bought online or at liquidation/closeout are excluded. |
Pros & cons
Fujitsu AOU24RLXFZ 24,000 BTU 2-3 Zone Multi
- ✓Runs 2 or 3 zones with wall, floor-console, or concealed-duct RLF heads
- ✓18 SEER / 9.5 HSPF non-ducted — respectable for its generation
- ✓DC twin-rotary compressor with a strong installer reliability reputation
- ✓Wide 14,000-27,000 BTU connected-capacity window gives layout flexibility
- ✓Condenser street price around $2,200-2,600 undercuts Mitsubishi equivalents
- ✓Each zone gets independent temperature control from its own head
- ✗Discontinued R410A platform — the R32 Airstage line has replaced it, so future parts get harder
- ✗Rated heating only to about 5°F, no hyper-heat option at this size
- ✗Fujitsu voids the warranty on online/DIY purchases — dealer channel only
- ✗Single condenser means one failure takes down all connected rooms
- ✗Wi-Fi needs the optional FGLair adapter per head
Fujitsu AOUH24KWAS3 24,000 BTU 3-Zone Multi
- ✓Listed by NEEP as cold-climate: 19,200 BTU at 5°F, about 80% of its 24,000 BTU rating
- ✓23 SEER2 / 10.5 HSPF2 with non-ducted heads (19.5 / 9.5 all ducted, 21 / 10 mixed)
- ✓Mixes wall, slim-duct, mid-static duct and compact-cassette heads on one condenser
- ✓164 ft total line set, 82 ft per zone, for spread-out room layouts
- ✓Lower-GWP R-32 refrigerant on a current platform
- ✗Price covers the outdoor unit only; three heads and installation come on top
- ✗Rated heating range stops at 5°F; colder climates need the AOUH24KWAH3 extra-low-temp model
- ✗Fujitsu won't warranty units bought online, so it is a dealer-channel purchase
- ✗One compressor failure takes every connected room offline
- ✗Wi-Fi is a per-head accessory adapter, not built in
- ✗A small head calling by itself can short-cycle the condenser and dehumidify poorly