Greenstar i overview

The Greenstar i is our most popular boiler. It’s perfect for small to medium sized homes with one bathroom and comes with a user friendly control that allows you to easily adjust your heating and hot water to meet your exact requirements. 

Download our easy guide, which covers everything you need to know about the Greenstar i.

  • Simple boiler controls with clear information display
  • Condensate discharge resilient to freezing up to -15’C* **
  • Wide choice of controls enables greater comfort and economy
  • Low energy pump reduces electrical usage
  • Hot water instantly heated from cold mains
  • Achieves an A+ ErP package efficiency rating for heating when installed with a smart internet connected Bosch EasyControl

Greenstar i Greenstar i
Greenstar i Greenstar i
Greenstar i
Download ErP Data Sheet

This efficiency rating icon is for a product within a range of products. View all products in this range

Technical Details

Greenstar 25i Greenstar 30i
ErP Efficiency Rating
A

A

A

A

ErP Data Sheet ErP Data Sheet ErP Data Sheet
LPG model available
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW) 24 24
Dimensions (mm) height x width x depth 710 x 400 x 330 710 x 400 x 330
Hot water flow rate 40°c ∆T (litres per minute) 9l/min 10.8l/min

*The Condensesure Siphon has been proven to be effective at preventing frozen condensate at -15°C for a sustained period of 48 hours. 32mm pipework must be used and should not exceed 3 metres in length


1dependant on model

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