Hi
Hitachi
Japanese quality, wide output range for UK homes
BUS Grant: £7,500BUS EligibleMCS Approved
8
Overall score
out of 10
Hitachi is a strong choice for UK homeowners. From Japan, founded 1910. Heat output range: 4 kW - 16 kW. SCOP: Up to 4.3. Noise: 40-50 dB.
Key specifications
OriginJapan
Founded1910
Heat output4 kW - 16 kW
Max SCOPUp to 4.3
Noise level40-50 dB
Warranty5 years
Score breakdown
Efficiency (SCOP)
8.5
Reliability
8.3
Installation
8
After-sales support
7.5
Value for money
8
Post-grant installed price
£4,000 - £8,500
After £7,500 BUS grant. Includes installation.
+Pros
- Over 100 years of Japanese engineering expertise
- Yutaki S performs well in cold weather conditions
- Wide output range to suit most property sizes
- Competitive efficiency ratings
- R32 refrigerant across most models
-Cons
- Smaller UK installer network than Mitsubishi Electric
- Lower brand recognition in UK heat pump market
- Regional support coverage can be inconsistent
Best for
Mid-range buyers wanting Japanese reliabilityRetrofit projectsProperties needing flexible output
Not ideal for
Buyers needing extensive local supportBudget-priority buyers
Top models
| Model | Heat output | SCOP | Approx. installed price |
|---|---|---|---|
| Yutaki S 4kW | 4 kW | 4.3 | £4,500-6,500 installed |
| Yutaki S 8kW | 8 kW | 4.1 | £6,000-8,500 installed |
| Yutaki S 14kW | 14 kW | 3.8 | £8,000-11,000 installed |
Prices shown include installation and are after the £7,500 BUS grant where applicable. Correct as of April 2026.
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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.