# Panasonic unveils R454C air-to-water heat pumps for homes, for European sale from April 2027

Canonical page: https://technooptimist.io/stories/panasonic-unveils-r454c-air-to-water-heat-pumps-for-homes-for-european-9889eac2
Date: 14 Oct 2026
About: [Panasonic Energy](https://technooptimist.io/companies/panasonic-energy.md)
Original source: https://www.pv-magazine.com/2026/10/14/panasonic-unveils-r454c-air-to-water-heat-pumps-for-residential-use/

Panasonic has introduced its Aquarea High-Performance N Series, a range of air-to-water heat pumps for home heating and hot water. The units use R454C refrigerant and are to be built entirely in Europe, with sales starting in April 2027.

## Key facts

- Four models with heating capacities of 3 kW, 5 kW, 7 kW and 9 kW; the indoor unit is a compact all-in-one design, 1,575 mm high.
- Refrigerant R454C with a global warming potential (GWP) of 148; the split design connects indoor and outdoor units by refrigerant pipe up to 50 m long.
- Efficiency: up to A+++ at a 35 °C water flow temperature, up to A++ at 55 °C, and up to A+ for domestic hot water.
- Operates at outdoor temperatures down to -25 °C; the 5 kW model is rated at 58 dB(A) outdoors.
- Not disclosed: model-specific COP or SCOP values, refrigerant charge and prices.

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