Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump
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The Bosch Climate 3000i 5.3kW high-capacity split system air conditioner delivers powerful temperature regulation tailored to spacious open-plan living rooms, conservatories, and commercial offices. Rated at 18,000 BTU for cooling and 19,000 BTU for heating, this reverse-cycle heat pump maintains steady indoor thermal comfort even across challenging UK seasonal extremes. The unit harnesses Bosch DC inverter technology to continually adapt motor frequency, lowering electricity bills and securing outstanding A++ efficiency. Homeowners can take advantage of the intelligent Wind Avoid Me air redirection louvres, whisper-quiet operation down to 22 dB(A), and the hygienic i-Clean coil sanitisation programme. With Gear and Eco modes available on demand, users can adjust compressor energy usage to 50% or 75% capacity at the touch of a button. Designed for long-lasting operation, it includes protective gold fin outdoor coil coating and advanced R32 refrigerant.
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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 Bosch →Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Bosch — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Bosch Climate 3000i 5.3kW high-capacity split system air conditioner delivers powerful temperature regulation tailored to spacious open-plan living rooms, conservatories, and commercial offices. Rated at 18,000 BTU for cooling and 19,000 BTU for heating, this reverse-cycle heat pump maintains steady indoor thermal comfort even across challenging UK seasonal extremes. The unit harnesses Bosch DC inverter technology to continually adapt motor frequency, lowering electricity bills and securing outstanding A++ efficiency. Homeowners can take advantage of the intelligent Wind Avoid Me air redirection louvres, whisper-quiet operation down to 22 dB(A), and the hygienic i-Clean coil sanitisation programme. With Gear and Eco modes available on demand, users can adjust compressor energy usage to 50% or 75% capacity at the touch of a button. Designed for long-lasting operation, it includes protective gold fin outdoor coil coating and advanced R32 refrigerant.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump
How many BTU is the Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump?
The Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump has a cooling capacity of 18,000 BTU, suitable for 40-60 m².
What room size is the Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump suitable for?
The Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump is recommended for rooms 40-60 m².
Can I install the Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System 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 Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump smart-home compatible?
Yes — the Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump supports Bosch HomeCom Easy, Amazon Alexa, Google Assistant for app and voice control.
How long does delivery of the Bosch Climate 3000i 5.3kW Wall-Mounted Inverter Split System Air Conditioner Heat Pump take?
This unit is 2-4 business 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
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 6 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1128
This AC / season
£376
You save / season
£752
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1392 kWh | £376 | Up to 300% | |
| Plug-in electric heater | 4176 kWh | £1128 | 100% | |
| Electric storage heater | 4176 kWh | £1128 | 100% |
Heat output estimated from this unit's 19,000 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 £376/season to heat a room vs £1128 for an electric heater - that's £752 saved. https://stockool.store/products/bosch-climate-3000i-5-3kw-wall-mounted-inverter-split-system-heat-pump
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