Fujitsu / AIRSTAGE H-series
Fujitsu AIRSTAGE H-series 24k Ceiling Suspended R-32 208/230V Mini-Split
The Fujitsu AIRSTAGE H-series Ceiling-suspended 24k pairs ABUH24KUAS with AOUH24KUAS1 for a professional, dealer-quoted ceiling-suspended indoor unit installation instead of a wall head. It certifies at 24,000 BTU cooling and 27,000 BTU heating at 47F, with 21.7 SEER2, 12.8 EER2, and 10.8 HSPF2.
Its certified 5F output is 23,600 BTU, matching or beating the 17F rating, so it is a serious cold-weather candidate. The catch is visibility: the unit is mounted overhead in the room, so it trades hidden equipment for easier placement where wall heads do not fit.
Refrigerant generation
R-32 - current-generation refrigerant
- Last sourced
- Aug 5, 2026
SplitAtlas score
8.9 / 10
(21.7 SEER2) among 24k systems
(10.8 HSPF2) among 24k systems
(87.4% heat retained at 5F; -5 F heating floor) among 24k systems
(-41 dBA indoor min / 54 dBA outdoor) among 24k systems
(3 manuals; spec sheet; 36 error-code rows) across the catalogue
Not evaluated
- Installation accessibility — not applicable (professional install)N/A
professional install - DIY-accessibility not applicable
- Price-to-value — not evaluatedN/A
quote-only - no retail price to evaluate
Key ratings
Best-fit use cases
Best for retail, workshop, and open-plan rooms where wall space is limited but exposed overhead equipment is acceptable around 900-1,200 sq ft, where the owner wants Fujitsu dealer support and the alternate indoor form is worth the installation work.
Buyer review snapshot
Install difficulty
- Electrical: 208/230V; MCA 15.9 A; breaker/fuse 20 A.
- Line set: connection type not sourced; precharged 66 ft; max 164 ft.
Availability and price context
We could not verify a current retail price for this model. We could not find this exact model in stock at a retailer we work with when we last checked on 2026-08-05.
Purchase channel policy
Fujitsu/GENERAL says online retail sales of its products are not authorized; buyers should treat public online carts as outside the approved purchase channel.
- Warranty consequence
- Warranty becomes null and void for online purchases.
- Authorized channel
- Authorized local distributor or contractor channel; password-protected distributor sites are for qualified technicians.
Any online offer for this brand should be treated as a warranty-risk warning, not a recommendation.
Compare online-purchase warranty rules by brand
Source: Fujitsu General America, Inc.: GENERAL AIRSTAGE MINI-SPLITS FAQ - online purchase policy; retrieved Aug 12, 2026.
Source date
- Model data sourced
- Aug 5, 2026
- Page reviewed
- Aug 5, 2026
- Source-backed records
- 3
- Newest source retrieved
- Aug 5, 2026
Model context
- Fujitsu dealer channel
- Fujitsu equipment here is professional-install and quote-based; online purchase restrictions are handled in the purchase-channel policy when that brand fact is sourced.
- Install path
- This is professional-install equipment; no verified current retail offer is attached. Brand purchase-channel policy is shown in the buyer review snapshot.
- Installation context
- Ceiling-mounted indoor units need a workable ceiling cavity, panel clearance, drain routing, and service access. Cold-weather output still needs a load calculation and installation clearances, not just the published AHRI rating.
Strengths
- 24,000 BTU of ceiling-suspended indoor unit capacity on current R-32 refrigerant.
- 21.7 SEER2 / 12.8 EER2 / 10.8 HSPF2 certified efficiency.
- 17,800 BTU at 17F and 23,600 BTU at 5F give real winter numbers to size against.
Weaknesses
- The catch is visibility: the unit is mounted overhead in the room, so it trades hidden equipment for easier placement where wall heads do not fit.
Climate suitability
- Minimum heating ambient
- -5 F[1]
- Rated heating at 5F
- 23,600 BTU/h[2]
- Rated heating at 17F
- 17,800 BTU/h[2]
- Rated heating at 47F
- 27,000 BTU/h[2]
Specifications
ShowHide
- Manufacturer
- Fujitsu
- Brand
- Fujitsu
- Product line
- AIRSTAGE H-series
- Model number
- ABUH24KUAS indoor / AOUH24KUAS1 outdoor
- Indoor unit model
- ABUH24KUAS
- Outdoor unit model
- AOUH24KUAS1
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 24,000 BTU/h[2]
- Rated heating capacity
- 27,000 BTU/h[2]
- Voltage
- 208/230V[1]
- MCA
- 15.9 A[1]
- Maximum fuse or breaker size
- 20 A[1]
- Breaker needed
- not published
- SEER2
- 21.7 SEER2[2]
- EER2
- 12.8 EER2[2]
- HSPF2 (Region 4)
- 10.8 HSPF2[2]
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- 4 COP[1]
- COP at 5F
- 2.08 COP[2]
- Minimum outdoor heating temperature
- -5 F[1]
- Minimum outdoor cooling temperature
- -5 F[1]
- Maximum outdoor temperature
- 122 F[1]
- Indoor noise range
- cooling 29-41; heating 29-41 dB(A)[1]
- Outdoor noise rating
- 54 dBA[1]
- Indoor weight
- 68 lb[1]
- Outdoor weight
- 115 lb[1]
- Refrigerant
- R-32[1]
- Refrigerant charge
- 53 oz[1]
- Manufacturer coverage
- not published
- Line-set size
- 1/4 in liquid / 1/2 in suction
- Included line-set length
- Fujitsu publishes pre-charge length and flared line sizes; the installer supplies the line set.
- Maximum line-set length
- 164 ft[1]
- Max line set per indoor
- not published
- Maximum elevation difference
- 98 ft[1]
- Max height between indoor units
- not published
- Wi-Fi support
- supported[1]
- Energy Star status
- ENERGY STAR certified[2]
- AHRI certification number
- 215434549[2]
- Warranty
- not published
- Install path
- Professional install
- Retail price
- We could not find this exact model in stock at a retailer we work with when we last checked on 2026-08-05.
- Available retailers
- not published
- Manual links
- Fujitsu ABUH24KUAS installation manual, Fujitsu Connect product record AOUH24KUAS1, Fujitsu AIRSTAGE H-series Ceiling-suspended submittal - ABUH24KUAS / AOUH24KUAS1
- Specification sheet
- Fujitsu AIRSTAGE H-series Ceiling-suspended submittal - ABUH24KUAS / AOUH24KUAS1
- Last sourced date
- Aug 5, 2026
Electrical requirements
ShowHide
Installation considerations
ShowHide
- Liquid line
- 1/4 in[1]
- Suction line
- 1/2 in[1]
- Line connection type
- not published
- Precharged length
- 66 ft[1]
- Included line-set length
- Fujitsu publishes pre-charge length and flared line sizes; the installer supplies the line set.
- Maximum line-set length
- 164 ft[1]
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- 9-1/4 x 54-3/4 x 27-3/4 in[1]
- Outdoor dimensions
- 31 x 37 x 12-5/8 in[1]
- Indoor weight
- 68 lb[1]
- Outdoor weight
- 115 lb[1]
- Drain size
- 13/16 in I.D.; 1/16 in O.D.[1]
Related systems and guides
- More Fujitsu systems
- Friedrich 230 V option
- Fujitsu 24k model
- Fujitsu AIRSTAGE Orion XLTH 22k 230V
- Friedrich comparison model
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Fujitsu mini split review: is Fujitsu any good?
- The best 24,000 BTU mini splits of 2026
- The best DIY mini splits of 2026
- What "DIY mini split" actually means
- How to install a mini split (DIY overview)
- R-32 vs R-454B: the mini split refrigerant change explained
- What size mini split do I need for a garage?
- Mini splits for a workshop or shop
- Mini splits for high or vaulted ceilings
- Mini split remote not working
- Mini split Wi-Fi not connecting
- Mini split making loud noise
- Mini split indoor unit freezing up
- Mini split short cycling
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Fujitsu AIRSTAGE H-series Ceiling-suspended 24,000 BTU R-32 208/230V (ABUH24KUAS / AOUH24KUAS1) myself, or do I need a pro?
- Fujitsu AIRSTAGE H-series Ceiling-suspended 24,000 BTU R-32 208/230V (ABUH24KUAS / AOUH24KUAS1) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.
- Will the Fujitsu AIRSTAGE H-series Ceiling-suspended 24,000 BTU R-32 208/230V (ABUH24KUAS / AOUH24KUAS1) keep heating in a cold winter?
- The manufacturer publishes 23,600 BTU/h of heating output at 5F. Rated heating operation extends down to -5 F. Certified heating efficiency is 10.8 HSPF2. Match those numbers against your climate's design temperature - in cold regions, output at 5F matters far more than the nameplate capacity measured at 47F.
- What electrical circuit does the Fujitsu AIRSTAGE H-series Ceiling-suspended 24,000 BTU R-32 208/230V (ABUH24KUAS / AOUH24KUAS1) need?
- Published electrical requirements: 208/230V voltage, 15.9 A minimum circuit ampacity, and 20 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
- How far can the outdoor unit be from the indoor head?
- The published maximum line-set length is 164 ft, and the included line set comes pre-charged for 66 ft. Longer runs than the included set allows typically mean added refrigerant and a pro visit, so measure the planned routing before ordering.
Data sources
ShowHide
- Fujitsu General America, Inc.: Fujitsu AIRSTAGE H-series Ceiling-suspended submittalSourced - manufacturer technical document
Covers Frequency, electrical_spec.guaranteed_voltage_range, Maximum breaker size, Minimum circuit ampacity, Phase, Voltage range and more
- Air-Conditioning, Heating, and Refrigeration Institute: AHRI Active form-factor row 217895718Sourced - AHRI directory
Covers AHRI certification number, Rated cooling capacity, COP at 5F, EER2, Energy Star status, Rated heating capacity and more
- Fujitsu General America, Inc.: Fujitsu AIRSTAGE warranty pageSourced - manufacturer product page
Covers Legacy compressor warranty value, Legacy warranty value
Last updated
Aug 5, 2026