AIRTHERMIA RSJ-15/270RDB10N7-L1 vs Kronoterm ESSENTA-303/1 E D PV P3
Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Kronoterm ESSENTA-303/1 E D PV P3 163 %. The Kronoterm ESSENTA-303/1 E D PV P3 is better on 6 of 7 comparable points.
Both models in detail
Who wins where
- AIRTHERMIA RSJ-15/270RDB10N7-L1
- Kronoterm ESSENTA-303/1 E D PV P3
Biggest differences
| Fact | RSJ-15/270RDB10N7-L1 | ESSENTA-303/1 E D PV P3 |
|---|---|---|
| Annual electricity use, colder climate | 1,614 kWh | 1,025 kWh |
| ηwh, colder climate | 104 % | 163 % |
| Water heating efficiency ηwh | 128 % | 163 % |
| Annual electricity use, warmer climate | 1,167 kWh | 1,025 kWh |
| ηwh, warmer climate | 144 % | 163 % |
| Outdoor sound power | 54 dB(A) | 48 dB(A) |
Score per area = position (0–100) relative to all 450 models in this category; higher is better.
| Technical specifications | AIRTHERMIARSJ-15/270RDB10N7-L1 | KronotermESSENTA-303/1 E D PV P3 |
|---|---|---|
| General | ||
| Load profile | XL1 | XL2 |
| Efficiency | ||
| Water heating efficiency ηwh | 128 %1 | 163 %✓2 |
| ηwh, colder climate | 104 %1 | 163 %✓2 |
| ηwh, warmer climate | 144 %1 | 163 %✓2 |
| Energy label | A+1 | A+2 |
| Annual electricity use, colder climate | 1,614 kWh1 | 1,025 kWh✓2 |
| Annual electricity use, warmer climate | 1,167 kWh1 | 1,025 kWh✓2 |
| Noise | ||
| Indoor sound power | 51 dB(A)✓1 | 53 dB(A)2 |
| Outdoor sound power | 54 dB(A)1 | 48 dB(A)✓2 |
Frequently asked questions
Which is better: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Kronoterm ESSENTA-303/1 E D PV P3?
Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Kronoterm ESSENTA-303/1 E D PV P3 163 %. The Kronoterm ESSENTA-303/1 E D PV P3 is better on 6 of 7 comparable points.
What is the water heating efficiency ηwh of the AIRTHERMIA RSJ-15/270RDB10N7-L1 and the Kronoterm ESSENTA-303/1 E D PV P3?
AIRTHERMIA RSJ-15/270RDB10N7-L1: 128 %. Kronoterm ESSENTA-303/1 E D PV P3: 163 %.
Which is better on annual electricity use, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Kronoterm ESSENTA-303/1 E D PV P3?
Kronoterm ESSENTA-303/1 E D PV P3: 1,025 kWh. AIRTHERMIA RSJ-15/270RDB10N7-L1: 1,614 kWh.
Which is better on ηwh, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Kronoterm ESSENTA-303/1 E D PV P3?
Kronoterm ESSENTA-303/1 E D PV P3: 163 %. AIRTHERMIA RSJ-15/270RDB10N7-L1: 104 %.
Related comparisons
- AIRTHERMIARSJ-15/270RDB10N7-L1vsAnselmo ColaDAFNE 260 LT-S
- AIRTHERMIARSJ-15/270RDB10N7-L1vsARISTONNUOS PLUS S2 WI-FI 250 FS 3069791
- AIRTHERMIARSJ-15/270RDB10N7-L1vsATAGENERGION NUOS PLUS S2 WI-FI 250 FS 4057074
- AIRTHERMIARSJ-15/270RDB10N7-L1vsATLANTIC886129
- AIRTHERMIARSJ-15/270RDB10N7-L1vsAUSTRIA EMAIL986153
- AIRTHERMIARSJ-15/270RDB10N7-L1vsBULGAquaHeat Pro 200L
How we collect and check this data →
Sources
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026
- European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026