Viessmann Vitoclima 300-S Kombi 7.9kW Four-Zone Multi Split Outdoor Unit
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
Take full control of whole-house climate management with the Viessmann Vitoclima 300-S Kombi 7.9kW 4-port multi split outdoor condenser. Capable of driving up to four indoor units independently, this high-performance system eliminates clutter by replacing multiple external boxes with a single, streamlined outdoor unit. Featuring high-efficiency DC inverter technology and R32 refrigerant, it provides precise modulation to significantly reduce running expenses throughout the changing seasons. The integrated reverse-cycle heat pump ensures steady heating down to sub-zero British ambient conditions, while quiet-mode fan profiles keep external acoustics unobtrusive for adjacent neighbours. High-grade components, anti-corrosion blue-fin protection, and smart self-diagnostic functions ensure enduring durability and dependable performance across demanding multi-room installations.
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
Full Specifications
Description
Take full control of whole-house climate management with the Viessmann Vitoclima 300-S Kombi 7.9kW 4-port multi split outdoor condenser. Capable of driving up to four indoor units independently, this high-performance system eliminates clutter by replacing multiple external boxes with a single, streamlined outdoor unit. Featuring high-efficiency DC inverter technology and R32 refrigerant, it provides precise modulation to significantly reduce running expenses throughout the changing seasons. The integrated reverse-cycle heat pump ensures steady heating down to sub-zero British ambient conditions, while quiet-mode fan profiles keep external acoustics unobtrusive for adjacent neighbours. High-grade components, anti-corrosion blue-fin protection, and smart self-diagnostic functions ensure enduring durability and dependable performance across demanding multi-room installations.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 8 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1721
This AC / season
£574
You save / season
£1147
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 2125 kWh | £574 | Up to 300% | |
| Plug-in electric heater | 6375 kWh | £1721 | 100% | |
| Electric storage heater | 6375 kWh | £1721 | 100% |
Heat output estimated from this unit's 29,000 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 →