Roth 1135009942 Aura Unit TW 330 PV
The Roth 1135009942 Aura Unit TW 330 PV is a heat pump water heater with water heating efficiency ηwh 155 %, load profile XL and energy label A+.1
Key figures
Technical specifications
| General | |
|---|---|
| Load profile | XL1 |
| Registered in EPREL | 2021-051 |
| Efficiency | |
| Water heating efficiency ηwh | 155 %1 |
| ηwh, colder climate | 155 %1 |
| ηwh, warmer climate | 155 %1 |
| Energy label | A+1 |
| Annual electricity use, colder climate | 1,086 kWh1 |
| Annual electricity use, warmer climate | 1,086 kWh1 |
| Noise | |
| Indoor sound power | 57 dB(A)1 |
| Connectivity & smart | |
| Off-peak hours only | Yes1 |
How it ranks
Water heating efficiency ηwh: better than 83% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).
Rank 28 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.
Similar models
Other brands, same type and a comparable size.
How we collect and check this data →
Frequently asked questions
What is the water heating efficiency ηwh of the Roth 1135009942 Aura Unit TW 330 PV?
The water heating efficiency ηwh of the Roth 1135009942 Aura Unit TW 330 PV is 155 %.1
Which load profile does the Roth 1135009942 Aura Unit TW 330 PV have?
The Roth 1135009942 Aura Unit TW 330 PV has load profile XL.1
Which energy label does the Roth 1135009942 Aura Unit TW 330 PV have?
The Roth 1135009942 Aura Unit TW 330 PV has energy label A+.1
What is the indoor sound power of the Roth 1135009942 Aura Unit TW 330 PV?
The indoor sound power of the Roth 1135009942 Aura Unit TW 330 PV is 57 dB(A).1
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026