
Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
The Viessmann Vitoclima 300-S Kombi 4.1kW dual-zone outdoor unit provides superior climate control engineering for modern UK residential properties. Designed to drive two independent indoor units from a single compact external chassis, this Free-Match inverter condensing unit ensures flexible zoning between bedrooms, living rooms, or home offices. Utilizing low-GWP R32 refrigerant, it provides seasonal energy efficiency rated up to A++ in cooling and A+ in heating. Advanced DC inverter variable-speed compressor technology continually modulates thermal output to match actual demand, minimizing operational electrical draw while delivering exceptionally whisper-quiet operation. Integrated smart defrost logic and corrosion-resistant heat exchanger fins protect your investment against harsh British winters, making it an ideal year-round heating and cooling solution for discerning homeowners.
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.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Viessmann →Official Viessmann manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Viessmann — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Viessmann Vitoclima 300-S Kombi 4.1kW dual-zone outdoor unit provides superior climate control engineering for modern UK residential properties. Designed to drive two independent indoor units from a single compact external chassis, this Free-Match inverter condensing unit ensures flexible zoning between bedrooms, living rooms, or home offices. Utilizing low-GWP R32 refrigerant, it provides seasonal energy efficiency rated up to A++ in cooling and A+ in heating. Advanced DC inverter variable-speed compressor technology continually modulates thermal output to match actual demand, minimizing operational electrical draw while delivering exceptionally whisper-quiet operation. Integrated smart defrost logic and corrosion-resistant heat exchanger fins protect your investment against harsh British winters, making it an ideal year-round heating and cooling solution for discerning homeowners.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
Common questions about the Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit
How many BTU is the Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit?
The Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit has a cooling capacity of 14,000 BTU, suitable for Up to 45m² total across 2 rooms.
What room size is the Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit suitable for?
The Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit is recommended for rooms Up to 45m² total across 2 rooms.
Can I install the Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit 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 Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit smart-home compatible?
Yes — the Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit supports Amazon Alexa, Google Home for app and voice control.
How long does delivery of the Viessmann Vitoclima 300-S Kombi 4.1kW Dual-Zone Multi Split Outdoor Unit 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.
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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
114 kWh/yr
EER 13
Standard model
185 kWh/yr
EER 8
Est. saving
£19.17
71 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (14,000 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
£890
This AC / season
£297
You save / season
£593
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1099 kWh | £297 | Up to 300% | |
| Plug-in electric heater | 3297 kWh | £890 | 100% | |
| Electric storage heater | 3297 kWh | £890 | 100% |
Heat output estimated from this unit's 15,000 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 £297/season to heat a room vs £890 for an electric heater - that's £593 saved. https://stockool.store/products/viessmann-vitoclima-300-s-kombi-4-1kw-dual-zone-multi-split-outdoor-unit
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