Etherea line with nanoe™ X air purification system, a guarantee in terms of: efficiency (A+++ for 2.5 and 3.5kW models), comfort (Super Quiet function! Only 19 dB(A) of sound pressure), air quality and design. R32 refrigerant.
New heat pumps using R32 refrigerant show a drastic reduction in Global Warming Potential (GWP) values.
An important step towards reducing greenhouse gases.
R32 is also an easier refrigerant to recycle.
Even healthier air with nanoe™ X technology: the new nanoe™ X system ensures exceptional air purification.
Featuring much higher performance for better indoor air quality.
Technical Features
Model
Indoor unit catalog code: CS-Z50ZKEW
Outdoor unit catalog code: CU-Z50ZKE
Type: Inverter
Front panel: White
Filter: Nanoe-G
Power (BTU): 18000
Energy Efficiency
SEER/SCOP (W/W): 8.50/4.80
Energy Efficiency Class (Cooling): A+++
Energy Efficiency Class (Heating): A++
Annual cooling energy consumption kWh/a: 206
Annual heating energy consumption kWh/a: 1225
Performance
Dehumidification (l/h): 2.8
Air flow rate Cooling / Heating m³/h: 17.4 / 19.1
Nominal cooling capacity (kW): 5
Nominal heating capacity (kW): 5.8
Sound pressure level of indoor unit cooling/heating (Hi / Lo / Q-Lo) (dB-A): 44 / 37 / 30; 44 / 37 / 30
Sound pressure level of outdoor unit (dB-A): 47/47
Characteristics
Power supply (V/Hz/Φ) : 230/50/1
Refrigerant gas: R-32
Max difference in elevation (in/out) 4) Max m: 15
Connection pipe length Min / Max m: 3 / 30
Guaranteed operating range:
- Cooling °C: -10 ~ +43
- Heating °C: -20 ~ +24
Dimensions
Internal Unit HxWxD (mm): 295 x 1040 x 244; 12kg
External Unit HxWxD (mm):695 x 875 x 320; 40kg
General Features
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New Etherea units

The new Etherea, innovative design, high A++/A++ efficiency, and an unparalleled air purification system characterize this range, designed with you in mind. With the Etherea range, you can always be sure of having the best of the best.
Main features:
Air quality:
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Nanoe-G Air Purification System, effective on 99% of airborne or sticky mold, viruses and bacteria
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Mild Dry Cooling function, which prevents the rapid drop in environmental humidity, ensuring greater comfort and preventing skin dehydration
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Anti-allergic properties: the system is equipped with an anti-allergic filter.
Comfort:
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Super quiet operation! Only 20 dB, which is equivalent to the silence of a countryside night (XE7, XE9, XE12, E7, E9, and E12)
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Powerful power level in heating mode
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Wide ventilation flow
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Automatic regulation of flow direction on the vertical plane
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Warm start, for greater comfort when starting up in heating mode (without emitting cold air)
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Automatic restart after power failure
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The air conditioner can operate in cooling mode even with an outside temperature of -10°C.
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The air conditioner can operate as a heat pump even with an outside temperature of -15°C.
Functionality:
- Dual timer clock programmable for on and off
- Ergonomic infrared remote control
- Connectivity function (the main board of the indoor unit is equipped with a connection port to a possible external network)
- Remote control via Internet (optional)
- Ease of installation and maintenance
New! Heating-only function by enabling the software (service partners only)
- Removable and washable front panel
- Maximum distance between indoor and outdoor unit: 15 m
- Maximum difference in elevation between indoor and outdoor unit: 15 m
- Easy-maintenance outdoor unit, with top access
- Self-diagnosis function
- 5-year compressor warranty
The Econavi system

The Econavi system uses new Sunlight Detection technology and a Human Activity Sensor, which detect solar radiation in the room and the activity level and location of people present, respectively. Based on this data, the system automatically reduces airflow power in the event of low or no solar radiation and automatically adjusts the power and direction of the airflow to ensure maximum comfort and savings: with the Econavi system, you can save up to 38% on electricity costs without compromising comfort.
At the touch of a button, you can efficiently save energy while optimizing cooling, comfort and convenience.
- Cyclic regulation.
- Presence detection.
- Motion detection.
- Absence detection.
- Irradiation detection.
Simple installation
Simply connect the control device to your air conditioning system or heat pump via the Internet using the supplied cable and then connect it to your Wi-Fi access point.
The Internet control feature is identified by the slogan "Your home in the cloud" and represents an extremely simple and intuitive solution for anyone, even those with no communications or IT skills or experience. No servers, adapters, or complex wiring are required: all you need is a small interface unit, installed near the indoor unit, and of course a smartphone, tablet, or PC. When you're at home, your home Wi-Fi network is the core of the system: launch the app from your smartphone, tablet, or PC and experience a new dimension of comfort. If you're away from home, anywhere in the world, launch the app and manage your air conditioning system via the cloud: the application's simple and intuitive interface, viewable on the screen of your mobile device or laptop, allows you to manage every function as easily as using a remote control. The Internet control app can be downloaded from the Apple App Store or the Android Play Store.
Panasonic technology for comfort
Extremely quiet
We've created one of the quietest air conditioners on the market. Inside the room, the Panasonic inverter air conditioner's noise level has been reduced by 3dB because the inverter continuously varies its output power to ensure precise temperature control. In contrast, conventional air conditioners without inverters control temperature by repeatedly turning the compressor on and off. Every time the air conditioner is turned on to cool the room, energy consumption increases, vibrations increase, and noise levels increase.
Mild Dry Cooling
The dehumidification function maintains a high level of relative humidity, up to 10% higher than a normal cooling operation, ideal when sleeping with the air conditioning on. This helps reduce the appearance of dryness on the skin and throat.