Heat pump water heaters · UK

COSMOGAS AGUAMAX 300 R290

COSMOGAS AGUAMAX 300 R290
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The COSMOGAS AGUAMAX 300 R290 is a heat pump water heater with water heating efficiency ηwh 132 %, load profile XL and annual electricity use (average climate) 1389 kWh.1

Key figures

Water heating efficiency ηwh
132%1
Load profile
XL1
Official source
Annual electricity use (average climate)
1,389kWh1
Official source
Energy label
A+1
Official source
Indoor sound power
51dB(A)1
Official source

Technical specifications

General
Load profileXL1
Registered in EPREL2026-061
Efficiency
Water heating efficiency ηwh132 %1
ηwh, colder climate97 %1
ηwh, warmer climate173 %1
Energy labelA+1
Annual electricity use (average climate)1,389 kWh1
Annual electricity use, colder climate1,740 kWh1
Annual electricity use, warmer climate969 kWh1
Noise
Indoor sound power51 dB(A)1
Outdoor sound power51 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 30% of comparable models in our database (Heat pump water heaters · Load profile XL; n = 159).

Rank 108 of 160

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Manufacturer documentation

External links to COSMOGAS's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Compare with

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Frequently asked questions

What is the water heating efficiency ηwh of the COSMOGAS AGUAMAX 300 R290?

The water heating efficiency ηwh of the COSMOGAS AGUAMAX 300 R290 is 132 %.1

Which load profile does the COSMOGAS AGUAMAX 300 R290 have?

The COSMOGAS AGUAMAX 300 R290 has load profile XL.1

What is the annual electricity use (average climate) of the COSMOGAS AGUAMAX 300 R290?

The annual electricity use (average climate) of the COSMOGAS AGUAMAX 300 R290 is 1389 kWh.1

Which energy label does the COSMOGAS AGUAMAX 300 R290 have?

The COSMOGAS AGUAMAX 300 R290 has energy label A+.1

Sources

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