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Panasonic has introduced compact indoor and outdoor units for its Aquarea M Series R290 air-to-water heat pumps, in capacities from 3kW to 9kW. The 5kW, 7kW and 9kW models are due to join the range in spring 2027; the report does not give a release date for the 3kW model.
Panasonic has introduced compact indoor and outdoor units for its Aquarea M Series R290 air-to-water heat pumps, expanding options for homes with limited installation space. The company’s 5kW, 7kW and 9kW models are scheduled to join the range from spring 2027; the report does not specify when the 3kW model will be available.
The new outdoor unit uses a single fan and measures 996mm high, 1,200mm wide and 430mm deep. It can be matched with Panasonic’s compact all-in-one indoor unit, used in a bi-bloc system, or installed as a standalone unit with a control module or remote controller. The all-in-one measures 1,427mm high, 215mm lower than the existing model.
Panasonic’s reported operating specifications include operation at outdoor temperatures as low as -28°C and water temperatures up to 75°C when the outdoor temperature is -10°C. The company says those water temperatures can support boiler replacement in homes with high-temperature radiators. Ratings reach A+++ at a 35°C flow temperature, and the units can provide cooling as well as heating.
The all-in-one unit has an A+ domestic hot water rating and can produce water at up to 65°C without an electric heater, according to the report. For sound, the 5kW prototype is listed at 26dB(A) sound pressure at five metres and an ErP sound power level of 50dB(A). Those figures apply to the prototype and should not be read as published measurements for every model.
Compact Units Broaden Installation Choices
The dimensions and configuration options address a practical constraint in residential heat pump installations: available space indoors and outdoors. A shorter all-in-one unit may fit locations where the existing model would not, while the smaller outdoor footprint offers another option for properties with limited exterior space. The report says the range is intended for new-build and retrofit projects, though it provides no installation case studies or comparative data on how many homes could accommodate the new units.
The specifications also point to two different use cases. A flow temperature of 35°C and cooling capability suit low-temperature systems, including underfloor heating and Panasonic smart fan coils, as described in the report. The stated ability to reach 75°C water at -10°C may be relevant to some boiler replacement projects with high-temperature radiators. Actual performance and suitability will depend on the property and system design; the announcement does not provide seasonal efficiency figures for specific homes.
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Where the New Units Fit
The new equipment joins Panasonic’s existing Aquarea M Series, a range of R290 air-to-water heat pumps. Air-to-water systems draw heat from outdoor air and transfer it to water for space heating and, in some configurations, domestic hot water. Here, the report describes several installation arrangements: an all-in-one indoor unit, a bi-bloc system, or a standalone outdoor unit paired with controls.
Panasonic’s report also describes installation and connected-service features. The indoor unit has integrated handles, rear castors installed in advance, and front height adjusters intended to help with moving, levelling and pipe alignment. Key electrical components sit behind a magnetically detachable panel. A Cloud Adaptor is included with each indoor unit, connecting to the Comfort Cloud app for remote heating and hot-water control and energy-use monitoring. Installers can use Aquarea Service Cloud for remote system monitoring and maintenance, according to the report.
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Release Timing and Performance Details
The announcement, as reported by Cooling Post, gives a spring 2027 start for the 5kW, 7kW and 9kW models but does not state a date for the 3kW unit. It also does not specify prices, country-by-country availability, warranty terms, or whether the listed specifications apply equally across all capacities and configurations.
Some figures are tied to particular conditions or equipment: the maximum 75°C water temperature is stated at an outdoor temperature of -10°C, and the sound figures refer to a 5kW prototype. The report does not include independent test results, seasonal performance data, or expected energy savings. Those details would help buyers compare the units with alternatives and estimate performance in a particular home.
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Three Models Due in 2027
Panasonic’s stated next milestone is the planned addition of its 5kW, 7kW and 9kW units to the Aquarea M Series from spring 2027. The report does not provide a more precise launch date or a timetable for the 3kW model. Buyers and installers will need to check local availability and final product specifications as release information becomes available.
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Key Questions
What has Panasonic announced?
Panasonic has introduced compact indoor and outdoor units for its Aquarea M Series R290 air-to-water heat pumps, with listed capacities of 3kW, 5kW, 7kW and 9kW.
When will the new models be available?
The 5kW, 7kW and 9kW models are scheduled to join the range from spring 2027. The report gives no release date for the 3kW model.
How compact is the all-in-one indoor unit?
It measures 1,427mm high, which Panasonic says is 215mm lower than its existing model. The outdoor unit measures 996mm high, 1,200mm wide and 430mm deep.
Can the heat pumps replace a boiler?
The report says water temperatures can reach 75°C at an outdoor temperature of -10°C, which may support boiler replacement in homes with high-temperature radiators. Suitability depends on the property and heating system.
What details have not been announced?
The report does not specify prices, exact release dates for all capacities, or independent performance data and expected savings for particular homes.
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