UK home cooling

Home / Best of

Multi-splits for 3 rooms at 10 kW (≈34,000 BTU) in the UK: 78 models

Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VDA / SEZ-M35DA2) is the quietest of these 78 3-room multi-splits at ≈63.0 dB(A) outside. If one outdoor unit will serve 3 rooms, check the pass distance before the brand.

computed

bar · 10 kW (≈34,000 BTU) kW · Multi-split with 3 indoor units, quietest outside first · n=78 · 25 Sep 2026

Ranked models

78 models match this list. Multi-split with 3 indoor units, quietest outside first.

10 kW (≈34,000 BTU) · Multi-split with 3 indoor units, quietest outside first. £ per summer uses 26.32p/kWh at 400 hours.
RankModelLwA dB(A)3 m dB(A)SEER£ at 400 hRefrigerantObserved price
1Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VDA / SEZ-M35DA2)63.045.56.3£158.76R32—
2Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VDA2 / SEZ-M35DA3)63.045.56.3£158.76R32—
3Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VDA2-ET / SEZ-M35DA3-ET)63.045.56.3£158.76R32—
4Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VDA-ET / SEZ-M35DA2-ET)63.045.56.3£158.76R32—
5Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100YDA / SEZ-M35DA2)63.045.56.2£161.32R32—
6Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100YDA2 / SEZ-M35DA3)63.045.56.2£161.32R32—
7Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100YDA2-ET / SEZ-M35DA3-ET)63.045.56.2£161.32R32—
8Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100YDA-ET / SEZ-M35DA2-ET)63.045.56.2£161.32R32—
9Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100VDA2 / SLZ-M35FA3)63.045.56.0£166.69R32—
10Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100VDA2-ET / SLZ-M35FA3-ET)63.045.56.0£166.69R32—
11Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100VDA-ET / SLZ-M35FA2-ET)63.045.56.0£166.69R32—
12Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YDA / SLZ-M35FA2)63.045.55.9£169.52R32—
13Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YDA2 / SLZ-M35FA3)63.045.55.9£169.52R32—
14Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YDA2-ET / SLZ-M35FA3-ET)63.045.55.9£169.52R32—
15Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YDA-ET / SLZ-M35FA2-ET)63.045.55.9£169.52R32—
16Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VKA2 / SEZ-M35DA2)69.051.56.3£158.76R32—
17Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100VKA2-ET / SEZ-M35DA2-ET)69.051.56.3£158.76R32—
18Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100YKA2 / SEZ-M35DA2)69.051.56.3£158.76R32—
19Mitsubishi Electric SEZM 9.5 kW (PUZ-ZM100YKA2-ET / SEZ-M35DA2-ET)69.051.56.3£158.76R32—
20Mitsubishi Electric SLZM 9.5 kW (PUHZ-ZRP100VKA3 / SLZ-M35FA2)69.051.56.2£161.32R410A—
21Mitsubishi Electric SLZM 9.5 kW (PUHZ-ZRP100YKA3 / SLZ-M35FA2-ET)69.051.56.2£161.32R410A—
22Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100VKA2 / SLZ-M35FA2)69.051.56.0£166.69R32—
23Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100VKA2-ET)69.051.56.0£166.69R32—
24Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YKA / SLZ-M35FA)69.051.56.0£166.69R32—
25Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YKA2 / SLZ-M35FA2)69.051.56.0£166.69R32—
26Mitsubishi Electric SLZM 9.5 kW (PUZ-ZM100YKA2-ET / SLZ-M35FA2-ET)69.051.56.0£166.69R32—
27Panasonic 10 kW (U-100PE1E5A / S-36PF1E5B)69.051.55.8£181.52R410A—
28Panasonic 10 kW (U-100PE1E5A / S-36PK2E5B)69.051.56.2£169.81R410A—
29Panasonic 10 kW (U-100PE1E5A / S-36PN1E5A)69.051.55.2£202.46R410A—
30Panasonic 10 kW (U-100PE1E5A / S-36PN1E5B)69.051.55.8£181.52R410A—
31Panasonic 10 kW (U-100PE1E5A / S-36PU2E5B)69.051.57.3£144.22R410A—
32Panasonic 10 kW (U-100PE1E5A / S-36PY2E5A)69.051.56.5£161.97R410A—
33Panasonic 10 kW (U-100PE1E5A / S-36PK1E5A)69.051.56.2£169.81R410A—
34Panasonic 10 kW (U-100PE1E8A / S-36PF1E5A)69.051.55.7£184.70R410A—
35Panasonic 10 kW (U-100PE1E8A / S-36PK2E5B)69.051.56.1£172.59R410A—
36Panasonic 10 kW (U-100PE1E8A / S-36PN1E5B)69.051.55.8£181.52R410A—
37Panasonic 10 kW (U-100PE1E8A / S-36PT2E5A)69.051.56.4£164.50R410A—
38Panasonic 10 kW (U-100PE1E8A / S-36PU2E5A)69.051.57.1£148.28R410A—
39Panasonic 10 kW (U-100PE1E8A / S-36PY2E5A)69.051.56.3£167.11R410A—
40Panasonic 10 kW (U-100PZH2E5 / S-36PK2E5B)69.051.56.4£164.50R32—
41Panasonic 10 kW (U-100PZH2E5 / S-36PN1E5B)69.051.55.6£188R32—
42Panasonic 10 kW (U-100PZH2E5 / S-36PY2E5B)69.051.57.0£150.40R32—
43Panasonic 10 kW (U-100PZH2E5 / S-36PT2E5B)69.051.57.0£150.40R32—
44Panasonic 10 kW (U-100PZH2E8 / S-36PN1E5B)69.051.55.6£188R32—
45Panasonic 10 kW (U-100PZH2E8 / S-36PU2E5B)69.051.57.7£136.73R32—
46Panasonic 10 kW (U-100PZH2E8 / S-36PY2E5B)69.051.56.9£152.58R32—
47Panasonic 10 kW (U-100PZH2E8 / S-36PT2E5B)69.051.56.9£152.58R32—
48Bosch 7733701937 10.5 kW (DED5)70.052.56.8£162.56R32—
49Bosch 7733701937 10.5 kW (A95C)70.052.56.5£170.07R32—
50Bosch 7733701937 10.5 kW (FB8C)70.052.56.6£167.49R32—
51Bosch 7733701937 10.5 kW (7733701564(2X) / CCD5)70.052.56.6£167.49R32—
52Bosch 7733701937 10.5 kW (8E99)70.052.56.4£172.72R32—
53Bosch 7733701937 10.5 kW (FAE3)70.052.56.3£175.47R32—
54Bosch 7733701937 10.5 kW (6307)70.052.56.7£164.99R32—
55Bosch 7733701937 10.5 kW (AF45)70.052.56.3£175.47R32—
56Bosch 7733701937 10.5 kW (C305)70.052.56.2£178.30R32—
57Bosch 7733701937 10.5 kW (7733701806(2X) / BD93)70.052.56.9£160.21R32—
58Bosch 7733701937 10.5 kW (D73B)70.052.56.7£164.99R32—
59Bosch 7733701937 10.5 kW (02D9)70.052.57.0£157.92R32—
60Bosch 7733701937 10.5 kW (AAC4)70.052.56.2£178.30R32—
61Bosch 7733701937 10.5 kW (5F7C)70.052.56.1£181.22R32—
62Bosch 7733701937 10.5 kW (BD8D)70.052.56.3£175.47R32—
63Bosch 7733701937 10.5 kW (72A3)70.052.56.4£172.72R32—
64Bosch 7733701937 10.5 kW (A43A)70.052.56.0£184.24R32—
65Bosch 7733701937 10.5 kW (38C2)70.052.56.4£172.72R32—
66Bosch 7733701937 10.5 kW (C4FD)70.052.56.2£178.30R32—
67Bosch 7733701937 10.5 kW (C69A)70.052.56.1£181.22R32—
68Bosch 7733701937 10.5 kW (8DED)70.052.56.1£181.22R32—
69Bosch 7733701937 10.5 kW (B182)70.052.56.0£184.24R32—
70Bosch 7733701937 10.5 kW (455F)70.052.56.6£167.49R32—
71Bosch 7733701937 10.5 kW (6F35)70.052.55.9£187.36R32—
72Bosch 7733701937 10.5 kW (3C06)70.052.56.9£160.21R32—
73Bosch 7733701937 10.5 kW (BF4E)70.052.56.5£170.07R32—
74Bosch 7733701937 10.5 kW (9FCB)70.052.56.3£175.47R32—
75Bosch 7733701937 10.5 kW (DF49)70.052.56.2£178.30R32—
76Bosch 7733701937 10.5 kW (D53F)70.052.56.0£184.24R32—
77Bosch 7733701937 10.5 kW (D764)70.052.56.1£181.22R32—
78Gree GWH 10.6 kW (GWHD36NK6RO / GWH12ACC-S6DBA4A/I)70.052.57.2£155R32—

EPREL manufacturer-declared registrations · snapshot 25 Sep 2026 · n=78 · Multi-split with 3 indoor units, quietest outside first; noise via contract_engine MCS 020a Q=2, no barrier · 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

Better than a best-of roundup with no figures: every row is a registered number and a link to the model card.

Report an error in these figures