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AIRTHERMIA RSJ-15/270RDB10N7-L1 vs Gree GRS-1.5Pd/TD200ANp-K

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Gree GRS-1.5Pd/TD200ANp-K 135 %. The Gree GRS-1.5Pd/TD200ANp-K is better on 6 of 7 comparable points.

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Both models in detail

Who wins where

  • AIRTHERMIA RSJ-15/270RDB10N7-L1
  • Gree GRS-1.5Pd/TD200ANp-K

Biggest differences

FactRSJ-15/270RDB10N7-L1GRS-1.5Pd/TD200ANp-K
Annual electricity use, colder climate1,614 kWh1,360 kWh
ηwh, colder climate104 %120 %
Indoor sound power51 dB(A)48 dB(A)
Water heating efficiency ηwh128 %135 %
Annual electricity use, warmer climate1,167 kWh1,140 kWh
ηwh, warmer climate144 %147 %
All specifications ↓

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

Technical specificationsAIRTHERMIARSJ-15/270RDB10N7-L1GreeGRS-1.5Pd/TD200ANp-K
General
Load profileXL1XL2
Efficiency
Water heating efficiency ηwh128 %1135 %✓2
ηwh, colder climate104 %1120 %✓2
ηwh, warmer climate144 %1147 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate1,614 kWh11,360 kWh✓2
Annual electricity use, warmer climate1,167 kWh11,140 kWh✓2
Noise
Indoor sound power51 dB(A)148 dB(A)✓2
Outdoor sound power54 dB(A)154 dB(A)2

Frequently asked questions

Which is better: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Gree GRS-1.5Pd/TD200ANp-K?

Water heating efficiency ηwh: AIRTHERMIA RSJ-15/270RDB10N7-L1 128 %, Gree GRS-1.5Pd/TD200ANp-K 135 %. The Gree GRS-1.5Pd/TD200ANp-K is better on 6 of 7 comparable points.

What is the water heating efficiency ηwh of the AIRTHERMIA RSJ-15/270RDB10N7-L1 and the Gree GRS-1.5Pd/TD200ANp-K?

AIRTHERMIA RSJ-15/270RDB10N7-L1: 128 %. Gree GRS-1.5Pd/TD200ANp-K: 135 %.

Which is better on annual electricity use, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Gree GRS-1.5Pd/TD200ANp-K?

Gree GRS-1.5Pd/TD200ANp-K: 1,360 kWh. AIRTHERMIA RSJ-15/270RDB10N7-L1: 1,614 kWh.

Which is better on ηwh, colder climate: the AIRTHERMIA RSJ-15/270RDB10N7-L1 or the Gree GRS-1.5Pd/TD200ANp-K?

Gree GRS-1.5Pd/TD200ANp-K: 120 %. 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