Toshiba Daiseikai 10 2.5kW High-Wall Split System
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The Toshiba Daiseikai 10 represents the pinnacle of residential climate control, combining Japanese engineering excellence with cutting-edge air purification technology. This flagship high-wall unit features an advanced plasma ionizer that actively cleans the air, removing dust, allergens, and pollutants to ensure a healthier living environment. Designed for the discerning homeowner, it offers industry-leading A+++ energy efficiency, significantly reducing running costs while maintaining precise temperature stability. Its whisper-quiet operation makes it an ideal choice for bedrooms, home offices, or living areas where comfort is paramount. The unit includes integrated Wi-Fi connectivity, allowing you to manage your home climate effortlessly via smartphone or voice commands. With its sleek, premium aesthetic and robust heating capabilities, the Daiseikai 10 provides year-round comfort, effectively cooling in summer and providing efficient heat-pump warmth during colder UK months. Experience the perfect balance of luxury, sustainability, and performance with Toshiba's most advanced residential air conditioning solution.
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We'll match you with a local HVAC engineer.
Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Toshiba →Official Toshiba manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Description
The Toshiba Daiseikai 10 represents the pinnacle of residential climate control, combining Japanese engineering excellence with cutting-edge air purification technology. This flagship high-wall unit features an advanced plasma ionizer that actively cleans the air, removing dust, allergens, and pollutants to ensure a healthier living environment. Designed for the discerning homeowner, it offers industry-leading A+++ energy efficiency, significantly reducing running costs while maintaining precise temperature stability. Its whisper-quiet operation makes it an ideal choice for bedrooms, home offices, or living areas where comfort is paramount. The unit includes integrated Wi-Fi connectivity, allowing you to manage your home climate effortlessly via smartphone or voice commands. With its sleek, premium aesthetic and robust heating capabilities, the Daiseikai 10 provides year-round comfort, effectively cooling in summer and providing efficient heat-pump warmth during colder UK months. Experience the perfect balance of luxury, sustainability, and performance with Toshiba's most advanced residential air conditioning solution.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Toshiba Daiseikai 10 2.5kW High-Wall Split System
How many BTU is the Toshiba Daiseikai 10 2.5kW High-Wall Split System?
The Toshiba Daiseikai 10 2.5kW High-Wall Split System has a cooling capacity of 8,500 BTU, suitable for Up to 25m².
What room size is the Toshiba Daiseikai 10 2.5kW High-Wall Split System suitable for?
The Toshiba Daiseikai 10 2.5kW High-Wall Split System is recommended for rooms Up to 25m².
Can I install the Toshiba Daiseikai 10 2.5kW High-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 Toshiba Daiseikai 10 2.5kW High-Wall Split System smart-home compatible?
Yes — the Toshiba Daiseikai 10 2.5kW High-Wall Split System supports Amazon Alexa, Google Home for app and voice control.
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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
64 kWh/yr
EER 14
Standard model
112 kWh/yr
EER 8
Est. saving
£12.97
48 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (8,500 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 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£653
This AC / season
£218
You save / season
£435
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 806 kWh | £218 | Up to 300% | |
| Plug-in electric heater | 2418 kWh | £653 | 100% | |
| Electric storage heater | 2418 kWh | £653 | 100% |
Heat output estimated from this unit's 11,000 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 £218/season to heat a room vs £653 for an electric heater - that's £435 saved. https://stockool.store/products/toshiba-daiseikai-10-2-5kw-high-wall-split-system
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