ATAG heat pump water heaters
All 3 models from ATAG in our database, with the key figures side by side. Every value comes from an official register or the manufacturer; the source is on the product page.
At a glance
- Load profile
- L (1), M (1), XL (1)
- Water heating efficiency ηwh
- 79 to 144 %
- Energy label
- A+ (2), A (1)
- Indoor sound power
- 48 to 49 dB(A)
- Outdoor sound power
- 57 dB(A)
This is an overview by data, not a test or recommendation. Models from other brands with the same technology are in the comparisons and on the category page.
All models
| Model | Load profile1 | Water heating efficiency ηwh1 | Energy label1 |
|---|---|---|---|
| ENERGION NUOS PLUS S2 WI-FI 250 FS 4057074 | XL | 144 % | A+ |
| ENERGION NUOS PLUS S2 WI-FI 200 FS 4057073 | L | 142 % | A+ |
| EN LYDOS HYBRID WI-FI 100 4060000 | M | 79 % | A |
Comparisons with ATAG
Other brands
- AIRTHERMIA 4
- Anselmo Cola 3
- ARISTON 5
- ATLANTIC 8
- AUSTRIA EMAIL 5
- Axen 3
- Baetulenn 6
- Baxi 3
- Blaupunkt 3
- Bosch 5
- Buderus 5
- Bulex 4
- BULG 3
- CABEL 3
- Carrier 4
- Chaffoteaux 5
- Chappee 4
- CLIMAGEA 4
- Climer 3
- Clivet 4
- CM 5
- CM REPRESENTAÇÕES 3
- Cointra 5
- Comfortzone 3
- COSMOGAS 3
- Daikin 6
- DAITSU 5
- De Dietrich 5
- Dimplex 5
- Eco Hot Water 4
- ELCO 4
- ELÍZ 5
- EMMETI 5
- ENERGIE 5
- Ferroli 4
- FONDITAL 4
- Goodheat 5
- Gree 5
- GREENLOAD 3
- Haier 5
- HGB-Trading 5
- HISENSE 5
- Hitachi 3
- Immergas 5
- Indol 8
- intuis 4
- Inventum 4
- Itho Daalderop 7
- Jiadele 5
- Joannes 4
- KAYSUN 3
- Kermi 3
- Kronoterm 3
- LMNT 4
- MAXA 3
- Metro Therm 3
- Midea 4
- MUNDOCLIMA 5
- Nilan 3
- NONAME 3
- Oekoboiler 5
- Oertli 4
- OLIMPIA SPLENDID 3
- Qlima 3
- Qmex 3
- R-Aqua 3
- RHOSS 4
- RINNAI 4
- Rossato 4
- Sanistage 5
- Saunier Duval 5
- SAUTER 4
- SIME 3
- SOLIUS 5
- STIEBEL ELTRON 5
- STYLEBOILER 4
- Tecalor 3
- Templar 5
- Termobrasa 5
- TermoPlus 4
- Thercon 5
- THERMOR 7
- Toshiba 4
- Vulcano 5
- WEBER X 3
- wepit 3
- Wertec 4
- Yack 3
- Zestar 5
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026