Head to head
Samsung EHS Mono HT Quiet 14.0kW vs Vaillant ecoTEC Pro 24kW combi
The Samsung EHS Mono HT Quiet 14.0kW is a r32 monobloc air source heat pump, 14.0 kw heat output. The Vaillant ecoTEC Pro 24kW combi is a gas combi boiler, 23.4 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 14.0kW | Vaillant ecoTEC Pro 24kW combi | |
|---|---|---|
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | 720 x 440 x 338 mm |
| Weight | 137 kg | 38 kg |
| Heat output | 14.0 kW | - |
| SCOP | 4.83 (35C flow), 3.75 (55C flow) | - |
| Refrigerant | R32, 3.3 kg charge | - |
| Sound pressure | 47 dB(A) standard, 35 dB(A) night mode | - |
| Max flow temperature | 70C | - |
| Hot water output | - | 23.4 kW |
| Central heating output | - | 24.8 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 93% |
| Warranty | - | 2 years standard, 7 years with Vaillant Advance registration |
| Hot water flow rate | - | 9.6 litres per minute |
Sources: Samsung EHS Mono HT Quiet 14.0kW, Vaillant ecoTEC Pro 24kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the EHS Mono HT Quiet 14.0kW if...
The largest single-phase unit in the EHS Mono HT Quiet range at 14.0kW, for a larger house with a higher heat loss. It is available in both single-phase and three-phase versions and keeps the same 70C maximum flow temperature as the smaller models.
Full EHS Mono HT Quiet 14.0kW specifications →Buy or hire the ecoTEC Pro 24kW combi if...
A gas combi boiler with 23.4 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 9.6 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 2 years standard, 7 years with Vaillant Advance registration. Seasonal efficiency is 93%.
Full ecoTEC Pro 24kW combi specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 14.0kW and the Vaillant ecoTEC Pro 24kW combi?
The Samsung EHS Mono HT Quiet 14.0kW is a r32 monobloc air source heat pump, 14.0 kW heat output; the Vaillant ecoTEC Pro 24kW combi is a gas combi boiler, 23.4 kW hot water output.
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