
York H300 Series 12000 BTU Inverter Split System
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Retail prices include VAT.
The York H300 Series 12000 BTU split system is the ideal choice for homeowners seeking a balance of performance, efficiency, and affordability. This robust unit is engineered to provide powerful cooling and efficient heating, ensuring your space remains comfortable regardless of the external weather conditions. Utilizing advanced inverter technology, the H300 series minimizes energy waste by modulating compressor speed to match the cooling or heating load of the room. Its compact design allows for flexible installation in various residential settings, from master bedrooms to medium-sized living areas. The system includes a high-quality filtration system to promote cleaner, healthier air, while the user-friendly remote interface makes temperature management effortless. Built with York's renowned durability, this split system is designed for long-term reliability and quiet operation. Whether you are looking to upgrade your home's comfort or install a new climate control solution, the H300 series offers a dependable, high-performance experience that meets the demands of the modern UK climate.
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- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Full Specifications
Description
The York H300 Series 12000 BTU split system is the ideal choice for homeowners seeking a balance of performance, efficiency, and affordability. This robust unit is engineered to provide powerful cooling and efficient heating, ensuring your space remains comfortable regardless of the external weather conditions. Utilizing advanced inverter technology, the H300 series minimizes energy waste by modulating compressor speed to match the cooling or heating load of the room. Its compact design allows for flexible installation in various residential settings, from master bedrooms to medium-sized living areas. The system includes a high-quality filtration system to promote cleaner, healthier air, while the user-friendly remote interface makes temperature management effortless. Built with York's renowned durability, this split system is designed for long-term reliability and quiet operation. Whether you are looking to upgrade your home's comfort or install a new climate control solution, the H300 series offers a dependable, high-performance experience that meets the demands of the modern UK climate.
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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
115 kWh/yr
EER 11
Standard model
158 kWh/yr
EER 8
Est. saving
£11.65
43 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
£742
This AC / season
£247
You save / season
£495
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 916 kWh | £247 | Up to 300% | |
| Plug-in electric heater | 2748 kWh | £742 | 100% | |
| Electric storage heater | 2748 kWh | £742 | 100% |
Heat output estimated from this unit's 12,500 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 →














































