Head to head
Daikin Altherma 3 H HT EPRA16DV3 vs Vaillant ecoTEC plus 832 32kW combi
The Daikin Altherma 3 H HT EPRA16DV3 is a r32 monobloc high-temperature air source heat pump, class 16. The Vaillant ecoTEC plus 832 32kW combi is a gas combi boiler, 31.8 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Daikin Altherma 3 H HT EPRA16DV3 | Vaillant ecoTEC plus 832 32kW combi | |
|---|---|---|
| Dimensions | 990 x 1270 x 460 mm (H x W x D) (outdoor unit) | 720 x 440 x 372 mm |
| Weight | 146 kg (single-phase) (outdoor unit) | 37 kg |
| Heat output | 11.57-11.82 kW | - |
| SCOP | 4.51-4.71 (35C flow), 3.57-3.58 (55C flow) | - |
| Refrigerant | R32, 4.2 kg charge | - |
| Sound pressure | 38 dBA at 3m (standard mode), 35 dBA at 3m (low sound mode) | - |
| Max flow temperature | 70C | - |
| Hot water output | - | 31.8 kW |
| Central heating output | - | 26.4 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 94% |
| Warranty | - | 10 years with Vaillant Advance Boiler Protection Kit |
| Hot water flow rate | - | 13 litres per minute |
Sources: Daikin Altherma 3 H HT EPRA16DV3, Vaillant ecoTEC plus 832 32kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Altherma 3 H HT EPRA16DV3 if...
The next size up in the Altherma 3 H HT range at around 11.7kW, still reaching a 70C flow for boiler-replacement jobs. It shares the same outdoor cabinet size and weight as the class 14 unit, so it suits a larger house without a larger footprint.
Full Altherma 3 H HT EPRA16DV3 specifications →Buy or hire the ecoTEC plus 832 32kW combi if...
A gas combi boiler with 31.8 kW of hot water output, sized for a three-bed house with one or two bathrooms. It delivers about 13 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years with Vaillant Advance Boiler Protection Kit. Seasonal efficiency is 94%.
Full ecoTEC plus 832 32kW combi specifications →Common questions
What is the difference between the Daikin Altherma 3 H HT EPRA16DV3 and the Vaillant ecoTEC plus 832 32kW combi?
The Daikin Altherma 3 H HT EPRA16DV3 is a r32 monobloc high-temperature air source heat pump, class 16; the Vaillant ecoTEC plus 832 32kW combi is a gas combi boiler, 31.8 kW hot water output.
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