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Highest-SEER air conditioners in the UK: 8275 models

Midea MSEPBU 3.5 kW (MOX330-12HFN8 / MSEPBU-12HRFN8) has the highest SEER in the catalogue at 85.0. If the room size is fixed, the same ranking exists inside that size.

computed

bar · seer-all · n=8275 · 25 Sep 2026

Ranked models

8275 models match. The table shows the first 40.

All families with a SEER, high to low. £ per summer uses 26.32p/kWh at 400 hours.
RankModelLwA dB(A)3 m dB(A)SEER£ at 400 hRefrigerantObserved price
1Midea MSEPBU 3.5 kW (MOX330-12HFN8 / MSEPBU-12HRFN8)65.047.585.0£4.34R32—
2Gree GWH 2.7 kW (GWH09AFC-K6DNA2F/O / GWH09QCXB-K6DNC2F/I)61.043.575.0£3.79R32—
3Gree GWH 10.6 kW (GWHD36NK6OO / GWH07ALA-K6DNA1A/I*4)70.052.565.0£17.17R32—
4Gree GWH 2.5 kW (GWH09AGA-K6DNA1A/O / GWH09QA-K6DNC6A)62.044.565.0£4.05R32—
5Gree GWH 4.6 kW (GWH18ALD-K6DNA1A/O / GWH18QDXB-K6DNC8A/I)63.045.564.0£7.57R32—
6Gree GWH 4.6 kW (GWH18ALD-K6DNA1A/O / GWH18QD-K6DNA1A/I)63.045.564.0£7.57R32—
7Argo GREENSTYLEPLUS 2.6 kW (GREENSTYLEPLUS9000UE)61.043.562.0£4.41R32—
8Mitsubishi Electric R290 2.5 kW (MUZ-RZ25VU)60.042.511.7£22.50R290—
9Mitsubishi Electric R290 2.5 kW (MUZ-RZ25VUHZ)60.042.511.7£22.50R290—
10Mitsubishi Electric MSZRW 2.5 kW (MUZ-RW25VGHZ)60.042.511.2£23.50R32—
11Fujitsu ASEH 2.5 kW (AOEH09KHCBN)57.039.510.9£24.15R32—
12Toshiba RASB 2.5 kW (RAS-10S4AVPG-E)57.039.510.7£24.60R32—
13Fujitsu ASEH 3.5 kW (AOEH12KHCBN)61.043.510.6£34.76R32—
14Daikin FHA 9.5 kW (RZAG100M / FHA35AVEB9)66.048.510.5£95.25R32—
15Daikin FHA 9.5 kW (RZAG100M7Y1 / FHA35AVEB)66.048.510.5£95.25R32—
16Mitsubishi Electric Premium 2.5 kW (MUZ-LN25VG2)60.042.510.5£25.07R32£1,144.99
17Mitsubishi Electric Premium 2.5 kW (MUZ-LN25VG3)60.042.510.5£25.07R32—
18Mitsubishi Electric Premium 2.5 kW (MUZ-LN25VGHZ2)60.042.510.5£25.07R32—
19Mitsubishi Electric Premium 2.5 kW (MUZ-LN25VGHZ3)60.042.510.5£25.07R32—
20Toshiba RAS 2.5 kW (RAS-25S4AVPG-ND)59.041.510.5£25.07R32—
21Mitsubishi Heavy Industries SRK 2.5 kW (SRC25ZSX-W)57.039.510.3£25.55R32—
22Mitsubishi Heavy Industries SRK 2.5 kW (SRC25ZSX-WA)57.039.510.3£25.55R32—
23Daikin FCAHG 9.5 kW (RZAG100M / FCAHG71GVEB)66.048.510.2£98.05R32—
24Daikin FCAHG 9.5 kW (RZAG100M7Y1 / FCAHG71HVEB)66.048.510.2£98.05R32—
25Daikin FCQHG 9.5 kW (RZAG100M7Y1)66.048.510.2£98.05R32—
26Daikin FHA 9.5 kW (RZAG100M / FHA35AVEB9)66.048.510.2£98.05R32—
27Daikin FHA 9.5 kW (RZAG100M7Y1 / FHA35AVEB9)66.048.510.2£98.05R32—
28Bosch 7733702575 2.5 kW59.041.510.1£26.06R32—
29Gree GWH 2.7 kW (GWH09AVDXE-K6DNA1A/O)62.044.510.0£28.43R32—
30Hitachi 10 kW (DATA)40.022.510.0£105.28R32—
31Hitachi 10 kW (GG)50.032.510.0£105.28R32—
32Mitsubishi Heavy Industries SRK 2 kW (SRC20ZSX-W)56.038.510.0£21.06R32—
33Mitsubishi Heavy Industries SRK 2 kW (SRC20ZSX-WA)56.038.510.0£21.06R32—
34Fujitsu ASEH 4.2 kW (AOEH14KHCBN)64.046.59.9£44.66R32—
35Fujitsu ASEH 2 kW (AOEH07KGCG)56.038.59.8£21.49R32—
36Gree GWH 2.7 kW (GWH09AYDXE-K6DNA5A/O)62.044.59.8£29.01R32—
37Bosch 7733702577 3.4 kW62.044.59.7£36.90R32—
38Daikin FCAHG 9.5 kW (RZAG100N / FCAHG71HVEB)66.048.59.7£103.11R32—
39Daikin FCAHG 9.5 kW (RZAG100N2Y1 / FCAHG71HVEB)66.048.59.7£103.11R32—
40Gree GWH 2.7 kW (GWH09APAXE-K6DNA3A/O)65.047.59.7£29.30R32—

EPREL manufacturer-declared registrations · snapshot 25 Sep 2026 · n=8275 · All families with a SEER, high to low; families under 1.0 kW are left out as registration errors · 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 one giant best-of: this list has no size cut, and each standard size has its own page.

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