Head to head
Samsung EHS Mono HT Quiet 8.0kW vs Worcester Bosch Greenstar 2000 25kW combi
The Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kw heat output. The Worcester Bosch Greenstar 2000 25kW combi is a gas combi boiler, 25 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 8.0kW | Worcester Bosch Greenstar 2000 25kW combi | |
|---|---|---|
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | 724 x 400 x 300 mm |
| Weight | 126 kg | 32.1 kg |
| Heat output | 8.0 kW | - |
| SCOP | 4.64 (35C flow), 3.38 (55C flow) | - |
| Refrigerant | R32, 2.7 kg charge | - |
| Sound pressure | 42 dB(A) standard, 35 dB(A) night mode | - |
| Max flow temperature | 70C | - |
| Hot water output | - | 25 kW |
| Central heating output | - | 3-24 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 94% |
| Warranty | - | 7 years when installed with Greenstar System Filter |
| Hot water flow rate | - | 10 litres per minute at 35 C rise |
Sources: Samsung EHS Mono HT Quiet 8.0kW, Worcester Bosch Greenstar 2000 25kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the EHS Mono HT Quiet 8.0kW if...
An 8.0kW R32 monobloc heat pump sized for a small to medium house, reaching a 70C flow for radiator retrofits. A night mode sound setting brings it down to 35 dB(A), which suits a property with a neighbouring wall close to the outdoor unit.
Full EHS Mono HT Quiet 8.0kW specifications →Buy or hire the Greenstar 2000 25kW combi if...
A gas combi boiler with 25 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 10 litres per minute at 35 C rise of hot water, which decides how well a shower runs while a tap is on. Warranty: 7 years when installed with Greenstar System Filter. Seasonal efficiency is 94%.
Full Greenstar 2000 25kW combi specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 8.0kW and the Worcester Bosch Greenstar 2000 25kW combi?
The Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kW heat output; the Worcester Bosch Greenstar 2000 25kW combi is a gas combi boiler, 25 kW hot water output.
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