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Hitachi airHome 800 3.5kW Flagship Wall Split System

In StockEnergy A+++

£1,179.100

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.

The flagship Hitachi airHome 800 3.5kW split system represents the gold standard of architectural climate management and indoor air purification. Designed for high-end residential interiors and bespoke workspaces up to 35m², it delivers 12,000 BTU cooling and rapid heat pump warmth with supreme efficiency. Combining FrostWash automated coil cleaning, Mold Guard active humidity management, and an advanced ioniser air purification system, the airHome 800 actively neutralises odours and airborne contaminants. The integrated Wi-Fi interface connects seamlessly with the airCloud Go mobile application, supporting intelligent GPS geofencing, custom climate routines, and compatibility with Amazon Alexa and Google Assistant ecosystems. Finished in a modern, streamlined aesthetic and operating with an exceptional A+++ seasonal energy rating, it guarantees whisper-quiet performance and maximum comfort.

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 Hitachi manual

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

Full Model Line Catalogue

Hitachi catalogue — open the official flipbook in a new tab.

Open

All Hitachi 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

SKURAK-VJ35PHAE-RAC-VJ35PHAE

Physical dimensions

Exact dimensions for this model are being confirmed with Hitachi — 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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Hitachi airHome 800 3.5kW Flagship Wall Split System

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Midea

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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

£1,179.10

£604.97

£417.97

£405.90

Common questions about the Hitachi airHome 800 3.5kW Flagship Wall Split System

How many BTU is the Hitachi airHome 800 3.5kW Flagship Wall Split System?

The Hitachi airHome 800 3.5kW Flagship Wall Split System has a cooling capacity of 12,000 BTU, suitable for Up to 35m².

What room size is the Hitachi airHome 800 3.5kW Flagship Wall Split System suitable for?

The Hitachi airHome 800 3.5kW Flagship Wall Split System is recommended for rooms Up to 35m².

Can I install the Hitachi airHome 800 3.5kW Flagship Wall Split System 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 Hitachi airHome 800 3.5kW Flagship Wall Split System smart-home compatible?

Yes — the Hitachi airHome 800 3.5kW Flagship Wall Split System supports Amazon Alexa, Google Home for app and voice control.

How long does delivery of the Hitachi airHome 800 3.5kW Flagship Wall Split System 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

£872

This AC / season

£291

You save / season

£582

~67% less electricity

Heating method	Electricity / season	Cost / season	Efficiency
This heat-pump AC	1077 kWh	£291	Up to 300%
Plug-in electric heater	3231 kWh	£872	100%
Electric storage heater	3231 kWh	£872	100%

Heat output estimated from this unit's 14,700 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 £291/season to heat a room vs £872 for an electric heater - that's £582 saved. https://stockool.store/products/hitachi-airhome-800-3-5kw-flagship-wall-split-system

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