Bosch Climate 5000 Large Split Cassette range

Our Bosch Climate 5000 Large Split 4-way flow cassette range delivers heating and cooling for small properties such as offices and retail shops - providing comfort throughout the year. Also compatible with our HomeCom Easy App to enable smart connectivity.

The easy to install units, which are quiet in operation, achieve an energy efficiency rating of A++ for cooling and A+ for heating. Our air conditioning units help you and the environment with reduced operating costs and low carbon emissions.

SEER values up to 6.6. SCOP values up to 4.2.

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Bosch Climate 5000 Large Split Cassette range

Installer Benefits

  • 3.5kW, 5.3kW, 7kW, 8.8kW, 10.5kW, 12.5kW; 14kW 3-phase and 16kW 3-phase available
  • Easy to service with drain pump included
  • Quiet indoor unit (20 dB(a) based on model) in 'Silent' mode
  • 4-way independent vane louver controlled air flow (except compact models)
  • 5-year guarantee as standard. Terms and conditions apply
  • Twin system flexibility on 7kW and 8.8kW models only
  • Saves additional 20% on power consumption for 8 hours when cooling with 'Eco' mode
  • 'Gear' mode offers 3 operating power options of 100%, 75% or 50% to limit the power level and conserve energy
  • High density and cold catalyst filters to clean the room air
  • Heating can be provided even with the outdoor temperatures down to -15°C
  • Compatible with Intesis BMS gateways
  • Eurovent certified performance
  • Control your 4-way cassette units via your smart phone (except compact models). Optional Connect Key G10 CL-1 is required
  • You can plan your unit's schedule for the entire time via CRC R-1 wired controller or Connect Key G10 CL-1 is required

User friendliness

  • Wired room controller and infrared remote room control to simply adjust the indoor unit
  • Control the unit with a smartphone via the Bosch HomeCom Easy App. Optional Gateway Connector G 10 CLC and Connect Key G-10 CL-1 are required.

Air quality

  • 'I-clean' mode  - Eliminates up to 99% of bacteria by heating up the evaporator to 56°C
  • High density and cold catalyst filters to clean the air


  • Independent 4-way vane louver control to customise the flow of air into each area of your room
  • 'Silent outdoor unit' mode - Reduce noise emitted by the indoor outdoor unit when in use
  • 'Breeze away' mode - Prevent air blowing directly on you by using the remote controller to adjust the wind direction towards the ceiling
  • 'Follow me' mode - Indoor unit measures room temperature via the temperature sensor in the remote control
  • ‘Turbo’ mode for rapid heating/cooling when you need to heat or cool the room quickly

Energy consumption

  • 'Gear' mode - 3 levels of operating power to lower energy usage. 
  • 'Eco' mode - Works with a lower level of energy consumption.

Why choose Worcester Bosch?


Rated Excellent

Millions of people across the UK rely on Worcester Bosch for their heating and hot water, and we are proud to have received a 5 star rating by our customers on TrustPilot.

5 year guarantee

5 year guarantee

For peace of mind, our air conditioning units comes with a market-leading 5 year guarantee.


Same company, Same quality

All Worcester boilers are manufactured with Bosch levels of quality and reliability as standard, giving you peace of mind year after year.

ErP Data sheets and labels

Product Data Sheets

ErP Labels

Twin Systems Data Sheets