Viessmann vs Toshiba - Which Heat Pump Is Better for UK Homes?
Independent head-to-head comparison. Updated April 2026.
Score breakdown
8.8
Efficiency (SCOP)
8.6
8.9
Reliability
8.4
7.8
Installation
8
8
After-sales support
7.8
7.5
Value for money
8
3
categories won by Viessmann
vs
2
categories won by Toshiba
Viessmann - installed price (post-grant)
£5,000 - £10,000
After £7,500 BUS grant. Premium German specification.
BUS Grant: £7,500Toshiba - installed price (post-grant)
£4,000 - £8,000
After £7,500 BUS grant. Includes installation.
BUS Grant: £7,500Which wins for...
Maximum efficiency
Vi
Viessmann
Higher SCOP rating (8.8/10)
Best value for money
To
Toshiba
Better value score (8/10) and typically lower installed cost
Long-term reliability
Vi
Viessmann
Higher reliability score (8.9/10)
Easiest installation
To
Toshiba
Better installer compatibility score (8/10)
After-sales support
Vi
Viessmann
Stronger UK support network (8/10)
Vi
Our verdict
Viessmann wins overall
Viessmann scores 8.7/10 overall - higher than Toshiba (8.2/10). However, the best choice depends on your specific priorities. Toshiba may be a better fit if you prioritise value for money.
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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.