Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
The Sealey SAC12000 is a powerful 12,000 BTU portable air conditioner that offers year-round climate control. Featuring cooling, heating, and dehumidifying functions, this unit is perfect for homes, offices, and commercial spaces that require versatile temperature management. It uses R290 refrigerant for eco-friendly operation and includes a 3-speed fan for customised airflow. The digital control panel and remote allow for easy adjustment of the 16-30°C temperature range. With a dehumidifying capacity of 28.8 litres per day, it is highly effective at managing moisture levels. The unit comes with an exhaust hose and window kit for quick setup. Its modern, sleek design ensures it fits into any professional or domestic setting, while the castor wheels provide excellent mobility. This is an ideal choice for those needing a robust, multi-functional unit that can handle both summer heat and winter chills.
Add smart control
No built-in Wi-Fi — automate this unit with a smart plug & temperature sensor.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Sealey →Manufacturer instructions
The Sealey SAC12000 is a portable 4-in-1 unit requiring no professional installation. To set up, place the unit on a level, dry surface near a suitable mains power outlet. Attach the extendable exhaust hose to the rear of the unit and secure the other end to a window using the provided window sealing kit to ensure hot air is vented outside. Ensure the hose is not bent or kinked, as this restricts airflow. Before first use, allow the unit to stand upright for at least 24 hours to allow the refrigerant to settle. Connect to a 230V power supply and use the control panel or remote to select the desired mode: cooling, heating, dehumidifying, or fan. Regularly empty the internal water tank or attach the continuous drain hose for dehumidification.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Sealey — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Sealey SAC12000 is a powerful 12,000 BTU portable air conditioner that offers year-round climate control. Featuring cooling, heating, and dehumidifying functions, this unit is perfect for homes, offices, and commercial spaces that require versatile temperature management. It uses R290 refrigerant for eco-friendly operation and includes a 3-speed fan for customised airflow. The digital control panel and remote allow for easy adjustment of the 16-30°C temperature range. With a dehumidifying capacity of 28.8 litres per day, it is highly effective at managing moisture levels. The unit comes with an exhaust hose and window kit for quick setup. Its modern, sleek design ensures it fits into any professional or domestic setting, while the castor wheels provide excellent mobility. This is an ideal choice for those needing a robust, multi-functional unit that can handle both summer heat and winter chills.
Compare similar units
Side-by-side specs for other portable ac in a similar BTU range.
Common questions about the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating
How many BTU is the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating?
The Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating has a cooling capacity of 12,000 BTU, suitable for Up to 30m².
What room size is the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating suitable for?
The Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating is recommended for rooms Up to 30m².
Can I install the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating myself?
Yes — the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating is rated as Easy for self-installation. Guides and video tutorials are available on the product page.
Is the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating smart-home compatible?
The Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating does not have built-in Wi-Fi control, but you can add smart control using a compatible smart plug.
How long does delivery of the Sealey SAC12000 3-in-1 Portable Air Conditioner with Heating take?
This unit is dispatched in 1–2 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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Mitsubishi ElectricAnnual energy savings estimate
How much this A-rated unit could save versus a standard C-rated model, based on your usage.
This unit
127 kWh/yr
EER 10
Standard model
158 kWh/yr
EER 8
Est. saving
£8.55
32 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 | Summer cooling |
|---|---|---|---|---|
| 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/sealey-sac12000-portable-ac-heat-pump
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