Heat pump water heaters · Compare

AERMEC SWP301 vs ELCO AEROTOP DHW WH 150.3 4057154

Water heating efficiency ηwh: AERMEC SWP301 124 %, ELCO AEROTOP DHW WH 150.3 4057154 131 %. The ELCO AEROTOP DHW WH 150.3 4057154 is better on 5 of 7 comparable points.

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Both models in detail

Who wins where

  • AERMEC SWP301
  • ELCO AEROTOP DHW WH 150.3 4057154

Biggest differences

FactSWP301AEROTOP DHW WH 150.3 4057154
Indoor sound power60 dB(A)43 dB(A)
ηwh, colder climate124 %97 %
Annual electricity use, colder climate826 kWh1,051 kWh
Outdoor sound power60 dB(A)49 dB(A)
ηwh, warmer climate124 %151 %
Annual electricity use, warmer climate826 kWh679 kWh
All specifications ↓

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

Technical specificationsAERMECSWP301ELCOAEROTOP DHW WH 150.3 4057154
General
Load profileL1L2
Efficiency
Water heating efficiency ηwh124 %1131 %✓2
ηwh, colder climate124 %✓197 %2
ηwh, warmer climate124 %1151 %✓2
Energy labelA+1A+2
Annual electricity use, colder climate826 kWh✓11,051 kWh2
Annual electricity use, warmer climate826 kWh1679 kWh✓2
Noise
Indoor sound power60 dB(A)143 dB(A)✓2
Outdoor sound power60 dB(A)149 dB(A)✓2

Frequently asked questions

Which is better: the AERMEC SWP301 or the ELCO AEROTOP DHW WH 150.3 4057154?

Water heating efficiency ηwh: AERMEC SWP301 124 %, ELCO AEROTOP DHW WH 150.3 4057154 131 %. The ELCO AEROTOP DHW WH 150.3 4057154 is better on 5 of 7 comparable points.

What is the water heating efficiency ηwh of the AERMEC SWP301 and the ELCO AEROTOP DHW WH 150.3 4057154?

AERMEC SWP301: 124 %. ELCO AEROTOP DHW WH 150.3 4057154: 131 %.

Which is better on indoor sound power: the AERMEC SWP301 or the ELCO AEROTOP DHW WH 150.3 4057154?

ELCO AEROTOP DHW WH 150.3 4057154: 43 dB(A). AERMEC SWP301: 60 dB(A).

Which is better on ηwh, colder climate: the AERMEC SWP301 or the ELCO AEROTOP DHW WH 150.3 4057154?

AERMEC SWP301: 124 %. ELCO AEROTOP DHW WH 150.3 4057154: 97 %.

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 8 Nov 2026