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Panasonic Etherea 3.5kW Inverter Wall Split

In StockEnergy A+++

Available to order — dispatched on the lead time shown below.

£1,078.85£1,550.00Save £471.15

Trade pricing available — apply or sign in for your trade rate

Dispatched in 2-3 working days

UK-Wide Delivery

Free UK mainland delivery on in-stock units

🇪🇺 EU Delivery available

Dispatched in 3–7 working days, then 5–10 working days EU transit

Orders under €150 ship VAT-paid at checkout (IOSS, no charges on delivery). Orders of €150 or more ship DDU — import VAT and customs duty are collected by the courier on delivery.

Retail prices include VAT.

Upgrade your home climate with the Panasonic Etherea 3.5kW split system, a powerful yet elegant solution for medium-sized living areas. This unit combines high-efficiency inverter technology with the latest nanoe™ X air purification system, ensuring your home stays comfortable and free from allergens. Designed with the UK climate in mind, it provides robust heating and cooling performance even in challenging weather. The unit features built-in Wi-Fi connectivity, allowing you to adjust temperatures remotely via your smartphone or integrate it into your existing smart home ecosystem with Alexa or Google Assistant. Its ultra-quiet operation ensures minimal disruption, while the stylish white finish complements any interior decor. Ideal for living rooms or larger master bedrooms, this system offers the perfect balance of aesthetic appeal, energy savings, and advanced smart functionality for the modern homeowner.

Need it installed?

We'll match you with a local HVAC engineer.

Smart-home ready

Connects natively with the systems below — control by app or voice.

Smart guide

Amazon AlexaGoogle Home

Free UK mainland delivery on in-stock units
Manufacturer warranty included
14-day returns

Cooling Capacity

12,000 BTU

Energy Rating

A+++

Recommended Room

Up to 35m²

Technical documents & videos

Official Panasonic manual

The manufacturer's PDF for this model is being sourced and will be downloadable here.

All Panasonic catalogues and rangesMissing a document? Ask our team and we will send it over.

Full Specifications

Cooling Capacity12,000 BTU

Recommended Room SizeUp to 35m²

Energy RatingA+++

Smart HomeAmazon Alexa, Google Home

Noise Level—

CategorySplit System AC

SKUCS-Z35ZKEW-CU-Z35ZKE

Physical dimensions

Exact dimensions for this model are being confirmed with Panasonic — ask us and we will send the cut sheet with mounting and clearance figures.

Description

Compare similar units

Side-by-side specs for other split system ac in a similar BTU range.

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Panasonic Etherea 3.5kW Inverter Wall Split

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TCL

TCL 12000 BTU Smart A++ Wall Mounted Split Air Conditioner with Heat Pump

Cooling Capacity

12,000 BTU

Room Size

Up to 35m²

—

Energy Rating

A+++

A++

Heating Capable

Yes (heat pump)

Smart Home

Amazon Alexa, Google Home

Yes

Stock

In Stock

Price inc VAT

£1,078.85

£604.97

£417.97

£405.90

Common questions about the Panasonic Etherea 3.5kW Inverter Wall Split

How many BTU is the Panasonic Etherea 3.5kW Inverter Wall Split?

The Panasonic Etherea 3.5kW Inverter Wall Split has a cooling capacity of 12,000 BTU, suitable for Up to 35m².

What room size is the Panasonic Etherea 3.5kW Inverter Wall Split suitable for?

The Panasonic Etherea 3.5kW Inverter Wall Split is recommended for rooms Up to 35m².

Can I install the Panasonic Etherea 3.5kW Inverter Wall Split myself?

No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.

Is the Panasonic Etherea 3.5kW Inverter Wall Split smart-home compatible?

Yes — the Panasonic Etherea 3.5kW Inverter Wall Split supports Amazon Alexa, Google Home for app and voice control.

How long does delivery of the Panasonic Etherea 3.5kW Inverter Wall Split take?

This unit is dispatched in 2-3 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.

Annual energy savings estimate

How much this A+++-rated unit could save versus a standard C-rated model, based on your usage.

Electricity tariff (£/kWh)Hours per dayCooling months/year

This unit

90 kWh/yr

EER 14

Standard model

158 kWh/yr

EER 8

Est. saving

£18.31

68 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (12,000 BTU). Actual savings vary with room size, climate and usage patterns.

Winter heating cost: this AC vs electric heaters

This unit reverses to heat your room in winter. Based on its 4 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£712

This AC / season

£237

You save / season

£475

~67% less electricity

Heating method	Electricity / season	Cost / season	Efficiency
This heat-pump AC	879 kWh	£237	Up to 300%
Plug-in electric heater	2638 kWh	£712	100%
Electric storage heater	2638 kWh	£712	100%

Heat output estimated from this unit's 12,000 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →

Share your savings

This heat-pump AC costs only £237/season to heat a room vs £712 for an electric heater - that's £475 saved. https://stockool.store/products/panasonic-etherea-3-5kw-inverter-wall-split

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