SIME ECOMAXI VB 300

The SIME ECOMAXI VB 300 is a heat pump water heater with water heating efficiency ηwh 126 %, load profile XL and energy label A+.1
Key figures
Technical specifications
How it ranks
Water heating efficiency ηwh: better than 16% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).
Rank 133 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:
- ECOMAXI VB 300
- ECOMAXI VB 300 S
Manufacturer documentation
External links to SIME's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Similar models
Other brands, same type and a comparable size.
More from SIME
- SIME ECOMAXI VB 200 S Water heating efficiency ηwh: 118 %
- SIME ECOMAXI VB 80 Water heating efficiency ηwh: 105 %
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the SIME ECOMAXI VB 300?
The water heating efficiency ηwh of the SIME ECOMAXI VB 300 is 126 %.1
Which load profile does the SIME ECOMAXI VB 300 have?
The SIME ECOMAXI VB 300 has load profile XL.1
Which energy label does the SIME ECOMAXI VB 300 have?
The SIME ECOMAXI VB 300 has energy label A+.1
What is the indoor sound power of the SIME ECOMAXI VB 300?
The indoor sound power of the SIME ECOMAXI VB 300 is 58 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026