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AIRTHERMIA RSJ-15/270RDB10N7-L1 vs Joannes JIDRO N 260 HT

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Joannes JIDRO N 260 HT 127 %. The AIRTHERMIA RSJ-15/270RDB10N7-L1 is better on 5 of 7 comparable points.

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Both models in detail

Who wins where

  • AIRTHERMIA RSJ-15/270RDB10N7-L1
  • Joannes JIDRO N 260 HT

Biggest differences

FactRSJ-15/270RDB10N7-L1JIDRO N 260 HT
Annual electricity use, colder climate1,614 kWh1,315 kWh
ηwh, colder climate104 %127 %
Indoor sound power51 dB(A)59 dB(A)
ηwh, warmer climate144 %127 %
Annual electricity use, warmer climate1,167 kWh1,315 kWh
Outdoor sound power54 dB(A)57 dB(A)
All specifications ↓

Score per area = position (0–100) relative to all 450 models in this category; higher is better.

Technical specificationsAIRTHERMIARSJ-15/270RDB10N7-L1JoannesJIDRO N 260 HT
General
Load profileXL1XL2
Efficiency
Water heating efficiency ηwh128 %✓1127 %2
ηwh, colder climate104 %1127 %✓2
ηwh, warmer climate144 %✓1127 %2
Energy labelA+1A+2
Annual electricity use, colder climate1,614 kWh11,315 kWh✓2
Annual electricity use, warmer climate1,167 kWh✓11,315 kWh2
Noise
Indoor sound power51 dB(A)✓159 dB(A)2
Outdoor sound power54 dB(A)✓157 dB(A)2

Frequently asked questions

Which is better: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Joannes JIDRO N 260 HT?

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Joannes JIDRO N 260 HT 127 %. The AIRTHERMIA RSJ-15/270RDB10N7-L1 is better on 5 of 7 comparable points.

What is the water heating efficiency ηwh of the AIRTHERMIA RSJ-15/270RDB10N7-L1 and the Joannes JIDRO N 260 HT?

AIRTHERMIA RSJ-15/270RDB10N7-L1: 128 %. Joannes JIDRO N 260 HT: 127 %.

Which is better on annual electricity use, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Joannes JIDRO N 260 HT?

Joannes JIDRO N 260 HT: 1,315 kWh. AIRTHERMIA RSJ-15/270RDB10N7-L1: 1,614 kWh.

Which is better on ηwh, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Joannes JIDRO N 260 HT?

Joannes JIDRO N 260 HT: 127 %. AIRTHERMIA RSJ-15/270RDB10N7-L1: 104 %.

How we collect and check this data →

Sources

  1. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026
  2. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026