Daikin vs Hitachi - Which Heat Pump Is Better for UK Homes?
Independent head-to-head comparison. Updated April 2026.
Score breakdown
8.8
Efficiency (SCOP)
8.5
8.8
Reliability
8.3
8.2
Installation
8
8.5
After-sales support
7.5
8
Value for money
8
4
categories won by Daikin
vs
0
categories won by Hitachi
Daikin - installed price (post-grant)
£4,200 - £9,000
After £7,500 BUS grant.
BUS Grant: £7,500Hitachi - installed price (post-grant)
£4,000 - £8,500
After £7,500 BUS grant. Includes installation.
BUS Grant: £7,500Which wins for...
Maximum efficiency
D
Daikin
Higher SCOP rating (8.8/10)
Best value for money
D
Daikin
Better value score (8/10) and typically lower installed cost
Long-term reliability
D
Daikin
Higher reliability score (8.8/10)
Easiest installation
D
Daikin
Better installer compatibility score (8.2/10)
After-sales support
D
Daikin
Stronger UK support network (8.5/10)
D
Our verdict
Daikin wins overall
Daikin scores 8.6/10 overall - higher than Hitachi (8/10). However, the best choice depends on your specific priorities. Hitachi may be a better fit if you prioritise alternative criteria.
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Important disclaimer
www.heatpumpcompared.co.uk is editorially independent and not affiliated with any heat pump manufacturer or installer. We do not provide heating advice. Prices, specifications, SCOP ratings and grant amounts are correct as of April 2026 but are subject to change. Always commission a professional heat loss survey before purchasing a heat pump system.