ELCO NL_AEROTOP DHW 250.3 SYS 3735679
The ELCO NL_AEROTOP DHW 250.3 SYS 3735679 is a heat pump water heater with water heating efficiency ηwh 129 %, load profile XL and energy label A+.1
Key figures
Technical specifications
| General | |
|---|---|
| Load profile | XL1 |
| Registered in EPREL | 2026-021 |
| Efficiency | |
| Water heating efficiency ηwh | 129 %1 |
| ηwh, colder climate | 105 %1 |
| ηwh, warmer climate | 148 %1 |
| Energy label | A+1 |
| Annual electricity use, colder climate | 1,598 kWh1 |
| Annual electricity use, warmer climate | 1,132 kWh1 |
| Noise | |
| Indoor sound power | 55 dB(A)1 |
| Outdoor sound power | 67 dB(A)1 |
| Connectivity & smart | |
| Off-peak hours only | No1 |
How it ranks
Water heating efficiency ηwh: better than 24% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).
Rank 118 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 4 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:
- NL_AEROTOP DHW 250.3 SYS 3735679
- AEROTOP DHW 250.2 SYS 3069786 — Registered in EPREL: 2020-12
- NL_AEROTOP DHW 250.2 SYS 3735679 — Registered in EPREL: 2025-07
- NL_AEROTOP DHW 250.2 SYS 4267051 — Registered in EPREL: 2025-07
Compare with
Similar models
Other brands, same type and a comparable size.
More from ELCO
- ELCO AEROTOP DHW FS 250.3 3069788 Water heating efficiency ηwh: 144 %
- ELCO AEROTOP DHW WH 150.3 4057154 Water heating efficiency ηwh: 131 %
- ELCO AEROTOP DHW WH 80.3 4057152 Water heating efficiency ηwh: 130 %
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the ELCO NL_AEROTOP DHW 250.3 SYS 3735679?
The water heating efficiency ηwh of the ELCO NL_AEROTOP DHW 250.3 SYS 3735679 is 129 %.1
Which load profile does the ELCO NL_AEROTOP DHW 250.3 SYS 3735679 have?
The ELCO NL_AEROTOP DHW 250.3 SYS 3735679 has load profile XL.1
Which energy label does the ELCO NL_AEROTOP DHW 250.3 SYS 3735679 have?
The ELCO NL_AEROTOP DHW 250.3 SYS 3735679 has energy label A+.1
What is the indoor sound power of the ELCO NL_AEROTOP DHW 250.3 SYS 3735679?
The indoor sound power of the ELCO NL_AEROTOP DHW 250.3 SYS 3735679 is 55 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026