Oekoboiler ZG 02-05 300l

The Oekoboiler ZG 02-05 300l is a heat pump water heater with water heating efficiency ηwh 206 %, load profile XL and energy label A+.1
Key figures
Technical specifications
| General | |
|---|---|
| Load profile | XL1 |
| Registered in EPREL | 2026-071 |
| Efficiency | |
| Water heating efficiency ηwh | 206 %1 |
| ηwh, colder climate | 189 %1 |
| ηwh, warmer climate | 237 %1 |
| Energy label | A+1 |
| Annual electricity use, colder climate | 885 kWh1 |
| Annual electricity use, warmer climate | 708 kWh1 |
| Noise | |
| Indoor sound power | 46 dB(A)1 |
| Connectivity & smart | |
| Smart control | Yes1 |
| Off-peak hours only | No1 |
How it ranks
Water heating efficiency ηwh: better than 98% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).
Rank 2 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:
- ZG 02-05 300l
- 02-05 300l — Registered in EPREL: 2025-08
Manufacturer documentation
External links to Oekoboiler's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Compare with
Similar models
Other brands, same type and a comparable size.
More from Oekoboiler
- Oekoboiler OB-02V / 80l Water heating efficiency ηwh: 118 %
- Oekoboiler ZG 02-05 150l Water heating efficiency ηwh: 225 %
- Oekoboiler ZG 02-05 200l Water heating efficiency ηwh: 215 %
- Oekoboiler ZG 02-05 350l Water heating efficiency ηwh: 181 %
Featured in these lists
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Frequently asked questions
What is the water heating efficiency ηwh of the Oekoboiler ZG 02-05 300l?
The water heating efficiency ηwh of the Oekoboiler ZG 02-05 300l is 206 %.1
Which load profile does the Oekoboiler ZG 02-05 300l have?
The Oekoboiler ZG 02-05 300l has load profile XL.1
Which energy label does the Oekoboiler ZG 02-05 300l have?
The Oekoboiler ZG 02-05 300l has energy label A+.1
What is the indoor sound power of the Oekoboiler ZG 02-05 300l?
The indoor sound power of the Oekoboiler ZG 02-05 300l is 46 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026