Bosch 7738340429
The Bosch 7738340429 is a heat pump water heater with water heating efficiency ηwh 134 %, load profile XL and energy label A+.1
Key figures
Technical specifications
| General | |
|---|---|
| Load profile | XL1 |
| Registered in EPREL | 2025-091 |
| Efficiency | |
| Water heating efficiency ηwh | 134 %1 |
| ηwh, colder climate | 114 %1 |
| ηwh, warmer climate | 147 %1 |
| Energy label | A+1 |
| Annual electricity use, colder climate | 1,469 kWh1 |
| Annual electricity use, warmer climate | 1,136 kWh1 |
| Noise | |
| Indoor sound power | 56 dB(A)1 |
| Outdoor sound power | 63 dB(A)1 |
| Connectivity & smart | |
| Smart control | No1 |
| Off-peak hours only | No1 |
How it ranks
Water heating efficiency ηwh: better than 35% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).
Rank 99 of 160
Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.
Variants
This model is registered in 2 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:
- 7738340429
- 7738340430
Compare with
Similar models
Other brands, same type and a comparable size.
More from Bosch
- Bosch 7724001868 Water heating efficiency ηwh: 114 %
- Bosch 7724001871 Water heating efficiency ηwh: 134 %
- Bosch 7738340427 Water heating efficiency ηwh: 120 %
- Bosch 7738340431 Water heating efficiency ηwh: 120 %
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the Bosch 7738340429?
The water heating efficiency ηwh of the Bosch 7738340429 is 134 %.1
Which load profile does the Bosch 7738340429 have?
The Bosch 7738340429 has load profile XL.1
Which energy label does the Bosch 7738340429 have?
The Bosch 7738340429 has energy label A+.1
What is the indoor sound power of the Bosch 7738340429?
The indoor sound power of the Bosch 7738340429 is 56 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed Oct 13, 2026