Worcester Bosch Greenstar Si Compact 30kW
The Greenstar Si Compact is Worcester Bosch's compact budget-friendly combi, designed for homes where space is at a premium. Smaller than the Greenstar 4000, it's ideal for kitchen cupboard installations and tight spaces.
Technical Specifications
Key Features
- 92% ErP efficiency
- Compact dimensions for tight spaces
- Suitable for kitchen cupboard installation
- Simple controls
- Worcester Bosch reliability at entry-level price
- OpenTherm compatible
Best For
1–2 bed flats and houses where space is limited and budget is a consideration.
Common Questions About the Greenstar Si Compact 30kW
How small is the Greenstar Si Compact?
At 600 × 390 × 280 mm, it's one of the smallest full-sized combi boilers available — ideal for tight cupboard spaces.
Is the Si Compact as reliable as the 4000?
Yes — same Worcester Bosch manufacturing standards. The Si Compact uses slightly simpler components, reflected in the lower price.
Does the Si Compact work with a smart thermostat?
Yes, it has OpenTherm compatibility and works with most leading smart thermostats.
Other Worcester Bosch Models We Install
Ready to Get the Greenstar Si Compact 30kW Installed?
We supply and install the Worcester Bosch Greenstar Si Compact 30kW across Corby, Kettering, Northampton, and all surrounding areas. Fixed price, Gas Safe certified.