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Senville 18000 BTU Wall Split Air Conditioner & Heat Pump

In StockEnergy A++

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

£716.420

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 Senville 18000 BTU wall-mounted split air conditioning system offers substantial heating and cooling capacity tailored for spacious living rooms, open-plan kitchen diners, and busy offices. Featuring high-efficiency DC inverter technology, this reverse-cycle heat pump delivers rapid climate regulation while reducing electrical consumption compared to conventional fixed-speed systems. Its robust outdoor condenser is engineered to operate smoothly across demanding weather conditions, supplying efficient warmth down to -15°C. With built-in smart functionality, users can schedule comfort profiles, adjust target settings remotely using dedicated app controls, or utilise voice control via Amazon Alexa. The indoor unit features multi-directional louvre airflow, active dehumidification, and washable air filters designed to maintain fresh indoor air quality throughout every season.

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

18,000 BTU

Energy Rating

A++

Recommended Room

Up to 50m²

Technical documents & videos

Official Senville manual

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

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

Full Specifications

Cooling Capacity18,000 BTU

Recommended Room SizeUp to 50m²

Energy RatingA++

Smart HomeAmazon Alexa, Google Home

Noise Level—

CategorySplit System AC

SKUSENL-18CD-UK

Physical dimensions

Exact dimensions for this model are being confirmed with Senville — 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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Senville 18000 BTU Wall Split Air Conditioner & Heat Pump

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LG DualCool Pro A++ 18000 BTU Smart Wall Mounted Split Air Conditioner with Heat Pump

Cooling Capacity

18,000 BTU

Room Size

Up to 50m²

—

Energy Rating

A++

Heating Capable

Yes (heat pump)

Smart Home

Amazon Alexa, Google Home

Yes

Stock

In Stock

Price inc VAT

£716.42

£659.97

£548.90

£933.90

Common questions about the Senville 18000 BTU Wall Split Air Conditioner & Heat Pump

How many BTU is the Senville 18000 BTU Wall Split Air Conditioner & Heat Pump?

The Senville 18000 BTU Wall Split Air Conditioner & Heat Pump has a cooling capacity of 18,000 BTU, suitable for Up to 50m².

What room size is the Senville 18000 BTU Wall Split Air Conditioner & Heat Pump suitable for?

The Senville 18000 BTU Wall Split Air Conditioner & Heat Pump is recommended for rooms Up to 50m².

Can I install the Senville 18000 BTU Wall Split Air Conditioner & Heat Pump 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 Senville 18000 BTU Wall Split Air Conditioner & Heat Pump smart-home compatible?

Yes — the Senville 18000 BTU Wall Split Air Conditioner & Heat Pump supports Amazon Alexa, Google Home for app and voice control.

How long does delivery of the Senville 18000 BTU Wall Split Air Conditioner & Heat Pump 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

146 kWh/yr

EER 13

Standard model

237 kWh/yr

EER 8

Est. saving

£24.65

91 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 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 5 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£1068

This AC / season

£356

You save / season

£712

~67% less electricity

Heating method	Electricity / season	Cost / season	Efficiency
This heat-pump AC	1319 kWh	£356	Up to 300%
Plug-in electric heater	3957 kWh	£1068	100%
Electric storage heater	3957 kWh	£1068	100%

Heat output estimated from this unit's 18,000 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 £356/season to heat a room vs £1068 for an electric heater - that's £712 saved. https://stockool.store/products/senville-18000-btu-wall-split-air-conditioner-heat-pump

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