versusindex
UK
Heat pump water heaters · Compare

AIRTHERMIA RSJ-15/270RDB10N7-L1 vs Clivet AQUA F - DSDH-P AQ 1 S 300

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Clivet AQUA F - DSDH-P AQ 1 S 300 125 %. The AIRTHERMIA RSJ-15/270RDB10N7-L1 is better on 5 of 7 comparable points.

Last updated: + Add a model

Who wins where

  • AIRTHERMIA RSJ-15/270RDB10N7-L1
  • Clivet AQUA F - DSDH-P AQ 1 S 300

Biggest differences

FactRSJ-15/270RDB10N7-L1AQUA F - DSDH-P AQ 1 S 300
Indoor sound power51 dB(A)56 dB(A)
Annual electricity use, colder climate1,614 kWh1,547 kWh
ηwh, colder climate104 %108 %
Outdoor sound power54 dB(A)56 dB(A)
Water heating efficiency ηwh128 %125 %
All specifications ↓

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

AIRTHERMIARSJ-15/270RDB10N7-L1ClivetAQUA F - DSDH-P AQ 1 S 300
General
Load profileXL1XL2
Efficiency
Water heating efficiency ηwh128 %✓1125 %2
ηwh, colder climate104 %1108 %✓2
ηwh, warmer climate144 %✓1142 %2
Energy labelA+1A+2
Annual electricity use, colder climate1,614 kWh11,547 kWh✓2
Annual electricity use, warmer climate1,167 kWh✓11,171 kWh2
Noise
Indoor sound power51 dB(A)✓156 dB(A)2
Outdoor sound power54 dB(A)✓156 dB(A)2

Frequently asked questions

Which is better: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Clivet AQUA F - DSDH-P AQ 1 S 300?

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Clivet AQUA F - DSDH-P AQ 1 S 300 125 %. 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 Clivet AQUA F - DSDH-P AQ 1 S 300?

AIRTHERMIA RSJ-15/270RDB10N7-L1: 128 %. Clivet AQUA F - DSDH-P AQ 1 S 300: 125 %.

Which is better on indoor sound power: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Clivet AQUA F - DSDH-P AQ 1 S 300?

AIRTHERMIA RSJ-15/270RDB10N7-L1: 51 dB(A). Clivet AQUA F - DSDH-P AQ 1 S 300: 56 dB(A).

Which is better on annual electricity use, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Clivet AQUA F - DSDH-P AQ 1 S 300?

Clivet AQUA F - DSDH-P AQ 1 S 300: 1,547 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