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Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner

In StockEnergy A++

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

£440.300

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

2-4 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 Daitsu DS-12KDD is an energy-efficient 12000 BTU inverter split air conditioner tailored to meet the cooling and heating needs of modern residential interiors. With clean architectural lines and a compact footprint, the indoor unit sits discreetly on the wall while providing powerful, multidirectional airflow throughout spaces up to 35 square metres. Featuring built-in Wi-Fi connectivity, users can easily modify set points, adjust fan speeds, or schedule daily timers directly from their mobile devices. The unit leverages low-GWP R32 refrigerant alongside an advanced rotary inverter compressor, yielding exceptional seasonal efficiency ratings. In addition, its low sound pressure levels make it an ideal climate control companion for living spaces and home offices alike.

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 HomeEwpe Smart

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

Cooling Capacity

12,000 BTU

Energy Rating

A++

Recommended Room

25-35 m²

Technical documents & videos

Official Daitsu manual

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

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

Full Specifications

Cooling Capacity12,000 BTU

Recommended Room Size25-35 m²

Energy RatingA++

Smart HomeAmazon Alexa, Google Home, Ewpe Smart

Noise Level—

CategorySplit System AC

SKUDAI-DS-12KDD

Physical dimensions

Exact dimensions for this model are being confirmed with Daitsu — 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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Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner

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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

25-35 m²

—

Energy Rating

A++

Heating Capable

Yes (heat pump)

Smart Home

Amazon Alexa, Google Home, Ewpe Smart

Yes

Stock

In Stock

Price inc VAT

£440.30

£604.97

£417.97

£405.90

Common questions about the Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner

How many BTU is the Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner?

The Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner has a cooling capacity of 12,000 BTU, suitable for 25-35 m².

What room size is the Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner suitable for?

The Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner is recommended for rooms 25-35 m².

Can I install the Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner 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 Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner smart-home compatible?

Yes — the Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner supports Amazon Alexa, Google Home, Ewpe Smart for app and voice control.

How long does delivery of the Daitsu DS-12KDD 12000 BTU Inverter Wall Split Air Conditioner take?

This unit is 2-4 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

97 kWh/yr

EER 13

Standard model

158 kWh/yr

EER 8

Est. saving

£16.44

61 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

£749

This AC / season

£250

You save / season

£499

~67% less electricity

Heating method	Electricity / season	Cost / season	Efficiency
This heat-pump AC	925 kWh	£250	Up to 300%
Plug-in electric heater	2774 kWh	£749	100%
Electric storage heater	2774 kWh	£749	100%

Heat output estimated from this unit's 12,620 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 £250/season to heat a room vs £749 for an electric heater - that's £499 saved. https://stockool.store/products/daitsu-ds-12kdd-12000-btu-inverter-split-system

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