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Fujitsu air conditioners in the UK

Fujitsu has 362 split and multi-split families registered for the UK, and 2% pass England's 37 dB limit at 3 m from a neighbour's window. If you want the quietest 2.5 kW Fujitsu, it is Fujitsu Wall 2.5 kW (AOYG09LZCAN) at ≈52.0 dB(A).

manufacturer-declared, EPREL

bar · Fujitsu · quietest outdoor sound power by capacity · n=362 · 25 Sep 2026

What this brand has in the catalogue

362 families, capacity 2–10 kW. Median outdoor sound power is ≈63.0 dB(A).

Catalogue span for this brand. Median uses families that declare outdoor sound power.
Field	Value
Families	362
Capacity	2–10 kW
Median outdoor LwA	63.0 dB(A)
Share passing 37 dB at 3 m	2%
Refrigerants	R32, R410A
UK distribution page	https://www.fujitsu-general.com/uk/

Quietest model at each capacity

20 capacities have an outdoor sound power for Fujitsu.

Lowest declared outdoor LwA at each capacity this brand publishes.
Capacity	Quietest model	LwA dB(A)	3 m dB(A)	At 37 dB
2 kW	Fujitsu ASEH 2 kW (AOEH07KNCA)	53.0	35.5	pass
2.5 kW	Fujitsu Wall 2.5 kW (AOYG09LZCAN)	52.0	34.5	pass
2.6 kW	Fujitsu ASYA 2.6 kW (AOYA09KLWA)	61.0	43.5	over
3.4 kW	Fujitsu Wall 3.4 kW (AOYG12KXCA / ASYG12KXCA)	57.0	39.5	over
3.5 kW	Fujitsu Wall 3.5 kW (AOYG12LZCAN)	57.0	39.5	over
4 kW	Fujitsu ASEH 4 kW (AOEG14KBCA2 / ASEH07KMCG)	60.0	42.5	over
4.2 kW	Fujitsu ASEH 4.2 kW (AOEH14KJCA)	59.0	41.5	over
4.3 kW	Fujitsu ARXG 4.3 kW (AOEG14KBT)	62.0	44.5	over
5 kW	Fujitsu ASEH 5 kW (AOEG18KBCA2 / ASEH12KNCA)	60.0	42.5	over
5.2 kW	Fujitsu ASEG 5.2 kW (AOEG18KLCA)	61.0	43.5	over
5.3 kW	Fujitsu ASEH 5.3 kW (AOEH18KACB3)	61.0	43.5	over
5.4 kW	Fujitsu ASEH 5.4 kW (AOEG18KBCA3)	59.0	41.5	over
6 kW	Fujitsu ABEG 6 kW (AOEG22KBT)	63.0	45.5	over
6.8 kW	Fujitsu Wall 6.8 kW (AOYG24KBTA3)	61.0	43.5	over
7.1 kW	Fujitsu ASEH 7.1 kW (AOEH24KLC)	65.0	47.5	over
8 kW	Fujitsu ASEH 8 kW (AOEG30KBTA4)	63.0	45.5	over
8.5 kW	Fujitsu AUXG 8.5 kW (AOYG30LBTA / AUXG30LRLB)	67.0	49.5	over
9.4 kW	Fujitsu Wall 9.4 kW (AOYG36LMTA)	68.0	50.5	over
9.5 kW	Fujitsu ASEH 9.5 kW (AOEG36KBTA5)	65.0	47.5	over
10 kW	Fujitsu ABYG 10 kW (AOYG36LATT / ABYG36LRTA)	67.0	49.5	over

https://www.fujitsu-general.com/uk/ · snapshot 25 Sep 2026 · n=362 · median outdoor LwA and the 3 m pass share use contract_engine, Q=2, no barrier; distribution URL is the brand_uk_distribution field · updated 25 Sep 2026 · version 1.0.0 · CSV of the values on this page

How this page was calculated

If the calculated sound pressure level at all assessment positions is equal to or lower than 37.0 dB(A) then the heat pump will comply with the Permitted Development noise limit

Quietest models

Better than a brand landing page: the 3 m pass share and the quietest model at each capacity are calculated, not claimed.

Report an error in these figures