Head to head
Samsung EHS Mono HT Quiet 12.0kW vs Worcester Bosch Greenstar 8000 Life 30kW combi
The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kw heat output. The Worcester Bosch Greenstar 8000 Life 30kW combi is a gas combi boiler, 30.2 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 12.0kW | Worcester Bosch Greenstar 8000 Life 30kW combi | |
|---|---|---|
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | 780 x 440 x 365 mm |
| Heat output | 12.0 kW | - |
| SCOP | 4.90 (35C flow), 3.78 (55C flow) | - |
| Refrigerant | R32, 3.3 kg charge | - |
| Sound pressure | 46 dB(A) standard, 35 dB(A) night mode | - |
| Weight | 137 kg | - |
| Max flow temperature | 70C | - |
| Hot water output | - | 30.2 kW |
| Central heating output | - | 30 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 94% |
| Warranty | - | 12 years when installed by a Worcester Bosch accredited installer |
| Hot water flow rate | - | 10.7 litres per minute |
Sources: Samsung EHS Mono HT Quiet 12.0kW, Worcester Bosch Greenstar 8000 Life 30kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the EHS Mono HT Quiet 12.0kW if...
A 12.0kW unit for a larger house, with the highest SCOP quoted across the EHS Mono HT Quiet range at 4.90 on a 35C flow. It shares the same cabinet size as the 8kW model but weighs 11 kg more for the larger compressor.
Full EHS Mono HT Quiet 12.0kW specifications →Buy or hire the Greenstar 8000 Life 30kW combi if...
A gas combi boiler with 30.2 kW of hot water output, sized for a three-bed house with one or two bathrooms. It delivers about 10.7 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 12 years when installed by a Worcester Bosch accredited installer. Seasonal efficiency is 94%.
Full Greenstar 8000 Life 30kW combi specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 12.0kW and the Worcester Bosch Greenstar 8000 Life 30kW combi?
The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kW heat output; the Worcester Bosch Greenstar 8000 Life 30kW combi is a gas combi boiler, 30.2 kW hot water output.
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