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AIRTHERMIA RSJ-15/270RDB10N7-L1 vs NONAME 886130

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, NONAME 886130 138 %. The NONAME 886130 is better on 6 of 7 comparable points.

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Both models in detail

Who wins where

  • AIRTHERMIA RSJ-15/270RDB10N7-L1
  • NONAME 886130

Biggest differences

FactRSJ-15/270RDB10N7-L1886130
Annual electricity use, warmer climate1,167 kWh1,034 kWh
Annual electricity use, colder climate1,614 kWh1,433 kWh
ηwh, colder climate104 %117 %
ηwh, warmer climate144 %162 %
Indoor sound power51 dB(A)47 dB(A)
Water heating efficiency ηwh128 %138 %
All specifications ↓

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

Technical specificationsAIRTHERMIARSJ-15/270RDB10N7-L1NONAME886130
General
Load profileXL1XL2
Efficiency
Water heating efficiency ηwh128 %1138 %✓2
ηwh, colder climate104 %1117 %✓2
ηwh, warmer climate144 %1162 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate1,614 kWh11,433 kWh✓2
Annual electricity use, warmer climate1,167 kWh11,034 kWh✓2
Noise
Indoor sound power51 dB(A)147 dB(A)✓2
Outdoor sound power54 dB(A)✓158 dB(A)2

Frequently asked questions

Which is better: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the NONAME 886130?

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, NONAME 886130 138 %. The NONAME 886130 is better on 6 of 7 comparable points.

What is the water heating efficiency ηwh of the AIRTHERMIA RSJ-15/270RDB10N7-L1 and the NONAME 886130?

AIRTHERMIA RSJ-15/270RDB10N7-L1: 128 %. NONAME 886130: 138 %.

Which is better on annual electricity use, warmer climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the NONAME 886130?

NONAME 886130: 1,034 kWh. AIRTHERMIA RSJ-15/270RDB10N7-L1: 1,167 kWh.

Which is better on annual electricity use, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the NONAME 886130?

NONAME 886130: 1,433 kWh. AIRTHERMIA RSJ-15/270RDB10N7-L1: 1,614 kWh.

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