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
Split System Air Conditioning
A fixed split system is an air-to-air heat pump: an outdoor unit and a quiet wall-mounted indoor unit that cool in summer and heat efficiently in winter, using far less power than a portable. It's fitted by an F-Gas registered installer. Compare the best UK models by cooling and heating output, seasonal efficiency (SEER/SCOP), indoor noise and refrigerant, then get installed quotes.
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