Daikin · FTXM35R (3.5kW)
Daikin Perfera
Daikin's flagship wall split, pairing class-leading efficiency with genuinely quiet, refined heating and cooling.
A4.7 ~£2,400
Specs & review
Best Split System Air Conditioning (2026)
The split system air conditioning we would buy this year, ranked on how well they perform, what they cost and how well they hold up.
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Mitsubishi Electric · MSZ-LN35VG (3.5kW)
Mitsubishi Electric MSZ-LN Kirigamine
The design-led Kirigamine flagship: premium efficiency, four colour finishes and top-end filtration.
A4.6 ~£2,600
Specs & review
Panasonic · CS-Z35XKEW (3.5kW)
Panasonic Etherea Z
A super-efficient A+++ wall unit with nanoe X air purification and built-in Wi-Fi.
A4.5 ~£2,300
Specs & review
Mitsubishi Electric · MSZ-AY35VGK (3.5kW)
Mitsubishi Electric MSZ-AY
Mitsubishi's mainstream wall unit with built-in Wi-Fi and excellent cooling efficiency.
B4.4 ~£2,100
Specs & review
Samsung · AR12 (3.5kW)
Samsung WindFree Avant
Samsung's draught-free cooler that diffuses air through thousands of micro-holes, now with strong efficiency.
B4.3 ~£2,200
Specs & review
Daikin · FTXP35N (3.5kW)
Daikin Comfora
The value Daikin: the same build quality as the Perfera with more modest efficiency and fewer extras.
B4.0 ~£2,000
Specs & review
Fujitsu · ASEH12KMCG (3.4kW)
Fujitsu ASEH12KMCG
Fujitsu's current Airstage standard wall split, a slim, dependable mid-market unit that replaced the long-running ASYG12KMCF.
B4.0 ~£1,950
Specs & review
LG · AC12BK (3.5kW)
LG Artcool Mirror
A style-focused mirrored wall unit with UVnano hygiene and built-in ThinQ Wi-Fi.
C3.9 ~£2,200
Specs & review
Toshiba · RAS-B13E2KVG (3.3kW)
Toshiba Seiya
The value pick: a compact entry-level Toshiba split with a surprisingly good heating SCOP.
C3.8 ~£1,750
Specs & review