Samsung vs Hitachi - Which Heat Pump Is Better for UK Homes?

Independent head-to-head comparison. Updated April 2026.

S
Samsung
Korean innovation, competitive pricing
8.3/10
Overall winner
Hi
Hitachi
Japanese quality, wide output range for UK homes
8/10

Score breakdown

8.5
Efficiency (SCOP)
8.5
8
Reliability
8.3
8.8
Installation
8
7.5
After-sales support
7.5
9
Value for money
8
2
categories won by Samsung
vs
1
categories won by Hitachi
Samsung - installed price (post-grant)
£3,500 - £7,500
After £7,500 BUS grant. Often cheapest option.
BUS Grant: £7,500
Hitachi - installed price (post-grant)
£4,000 - £8,500
After £7,500 BUS grant. Includes installation.
BUS Grant: £7,500

Which wins for...

Maximum efficiency
S
Samsung
Higher SCOP rating (8.5/10)
Best value for money
S
Samsung
Better value score (9/10) and typically lower installed cost
Long-term reliability
Hi
Hitachi
Higher reliability score (8.3/10)
Easiest installation
S
Samsung
Better installer compatibility score (8.8/10)
After-sales support
S
Samsung
Stronger UK support network (7.5/10)
S
Our verdict

Samsung wins overall

Samsung scores 8.3/10 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.