Buderus 7738340434
The Buderus 7738340434 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 belongs to a series of 7 variants with the same load profile and energy class. The figures on this page apply to the variant above; other variants differ in: Water heating efficiency ηwh 134–136 %. After each type number you can see what differs:
- 7738340434
- 7736503526 — Water heating efficiency ηwh: 136 %; Annual electricity use, colder climate: 1,433 kWh; Annual electricity use, warmer climate: 1,094 kWh; ηwh, colder climate: 117 %
- 7736503527 — Water heating efficiency ηwh: 136 %; Annual electricity use, colder climate: 1,433 kWh; Annual electricity use, warmer climate: 1,094 kWh; ηwh, colder climate: 117 %
- 7736503528 — Water heating efficiency ηwh: 136 %; Annual electricity use, colder climate: 1,433 kWh; Annual electricity use, warmer climate: 1,094 kWh; ηwh, colder climate: 117 %
- 7736503529 — Water heating efficiency ηwh: 136 %; Annual electricity use, colder climate: 1,433 kWh; Annual electricity use, warmer climate: 1,094 kWh; ηwh, colder climate: 117 %
- 7738340435
- 7738500924 — Water heating efficiency ηwh: 136 %; Annual electricity use, colder climate: 1,433 kWh; Annual electricity use, warmer climate: 1,094 kWh; ηwh, colder climate: 117 %
Compare with
Similar models
Other brands, same type and a comparable size.
More from Buderus
- Buderus 7724000203 Water heating efficiency ηwh: 114 %
- Buderus 7724000206 Water heating efficiency ηwh: 134 %
- Buderus 7738340432 Water heating efficiency ηwh: 120 %
- Buderus 7738340436 Water heating efficiency ηwh: 120 %
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the Buderus 7738340434?
The water heating efficiency ηwh of the Buderus 7738340434 is 134 %.1
Which load profile does the Buderus 7738340434 have?
The Buderus 7738340434 has load profile XL.1
Which energy label does the Buderus 7738340434 have?
The Buderus 7738340434 has energy label A+.1
What is the indoor sound power of the Buderus 7738340434?
The indoor sound power of the Buderus 7738340434 is 56 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026