Panasonic CS-Z20CKEW / CU-Z20CKE

How it compares

Compared with 762 air conditioners, up to 2.5 kW on the EU register:

• Cooling energy use84 kWhlower than 92%
• Cooling efficiency8.7higher than 86%
• Indoor noise51 dB(A)lower than 82%

58 comparable models use less energy. The typical model in this group uses 120 kWh a year; most use between 80 and 155. See the full ranking.

Same size, lower running cost

Models in the same group (air conditioners, up to 2.5 kW) that are still on the market and use at least 10% less energy, with the yearly saving at the EU average price.

1. A+++
   Mitsubishi Heavy Industries SRC20ZSX-W_SRK20ZSX-W

   2 kW · SEER 10 · 70 kWh/yr
   −€4/year
2. A+++
   General AOHH07KGCG/ASHH07KGTG

   2 kW · SEER 9.8 · 71 kWh/yr
   −€4/year
3. A+++
   Fujitsu AOEH07KGCG/ASEH07KGTG

   2 kW · SEER 9.8 · 71 kWh/yr
   −€4/year
4. A+++
   Fuji Electric ROH07KGCG/RSH07KGTG

   2 kW · SEER 9.8 · 71 kWh/yr
   −€4/year
5. A+++
   Mitsubishi Heavy Industries SRC20ZTX-WA_SRK20ZTX-WA

   2 kW · SEER 9.6 · 73 kWh/yr
   −€3/year

Compare side by side: CS-Z20CKEW / CU-Z20CKE vs SRC20ZSX-W_SRK20ZSX-W · CS-Z20CKEW / CU-Z20CKE vs AOHH07KGCG/ASHH07KGTG · CS-Z20CKEW / CU-Z20CKE vs AOEH07KGCG/ASEH07KGTG

See the full ranking → · Buying guide: air conditioners

Energy label values

Lifespan & repair

Registration history

• 12 March 2026 First published in the EU energy label register (EPREL)
• 1 February 2026 Placed on the EU market

Model numbers on this page

These 3 model numbers are registered by Panasonic with identical energy label values, dimensions and installation type (usually colour or market variants).

CS-Z20CKEW / CU-Z20CKECS-XZ20CKEW / CU-Z20CKECS-XZ20CKEW-H / CU-Z20CKE

Other Panasonic models: air conditioners, up to 2.5 kW

1. A++
   Panasonic CS-XZ20XKEW-H / CU-Z20XKE

   2.1 kW · SEER 8.1 · 91 kWh/yr
   €26/year
2. A+++
   Panasonic CS-Z25YKEA / CU-Z25YKEA

   2.5 kW · SEER 9.5 · 92 kWh/yr
   €26/year
3. A+++
   Panasonic CS-XZ25ZKEW / CU-Z25ZKE

   2.5 kW · SEER 9.5 · 92 kWh/yr
   €26/year
4. A+++
   Panasonic CS-XZ25XKEW-H / CU-Z25XKE

   2.5 kW · SEER 9.4 · 93 kWh/yr
   €26/year
5. A++
   Panasonic CS-XZ20TKEW / CU-Z20TKE

   2.1 kW · SEER 7.5 · 98 kWh/yr
   €28/year

Comparable air conditioners from other brands

1. A++
   Hitachi RAC-18WSC / RAK-18PSC

   1.8 kW · SEER 7.4 · 85 kWh/yr
   €24/year
2. A
   Hitachi RAC-18WSA / RAK-18PSA

   1.8 kW · SEER 7.4 · 85 kWh/yr
   €24/year
3. A+++
   Mitsubishi Heavy Industries SRC25ZSX-W_SRK25ZSX-W

   2.5 kW · SEER 10.3 · 85 kWh/yr
   €24/year
4. A+++
   Toshiba Carrier Corporation RAS-25S4AVPG-ND+RAS-25S4KVPG-ND

   2.5 kW · SEER 10.5 · 83 kWh/yr
   €24/year
5. A+++
   Mitsubishi Electric MSZ-LN25VG3W / MUZ-LN25VGHZ3

   2.5 kW · SEER 10.5 · 83 kWh/yr
   €24/year
6. A++
   Fujitsu AOEH07KMCG/ASEH07KMCG

   2 kW · SEER 8.4 · 83 kWh/yr
   €24/year