Head to head
Baxi 800 Combi 2 36kW vs Samsung EHS Mono HT Quiet 12.0kW
The Baxi 800 Combi 2 36kW is a gas combi boiler, 36 kw hot water output. The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Baxi 800 Combi 2 36kW | Samsung EHS Mono HT Quiet 12.0kW | |
|---|---|---|
| Dimensions | 700 x 390 x 285 mm | 1018 x 1270 x 530 mm (H x W x D) |
| Weight | 29.5 kg | 137 kg |
| Hot water output | 36 kW | - |
| Central heating output | 26.4 kW | - |
| ErP class | A | - |
| Seasonal efficiency | 93% | - |
| Warranty | 10 years | - |
| Hot water flow rate | 15 litres per minute | - |
| 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 |
| Max flow temperature | - | 70C |
Sources: Baxi 800 Combi 2 36kW, Samsung EHS Mono HT Quiet 12.0kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 800 Combi 2 36kW if...
A gas combi boiler with 36 kW of hot water output, sized for a larger house with two bathrooms. It delivers about 15 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years. Seasonal efficiency is 93%.
Full 800 Combi 2 36kW specifications →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 →Common questions
What is the difference between the Baxi 800 Combi 2 36kW and the Samsung EHS Mono HT Quiet 12.0kW?
The Baxi 800 Combi 2 36kW is a gas combi boiler, 36 kW hot water output; the Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kW heat output.
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