Worcester Bosch Greenstar 25Si Compact

Type Combi boiler
Fuel Gas
Efficiency Rating A
Manufacturer-backed warranty available through HomeServe Up to 10-years***
Weight 32.9kg
Width x Height x Depth 390mm x 690mm x 280mm
Max kW Output 25kw
Flow rate 8.9l/min


If you live in a smaller home with 1 bathroom and are looking for an effective heating solution, the Worcester Bosch Greenstar Compact 25Si combi boiler could be a suitable option for you. It’s compact design and key functions could help you provide your home with the heating and hot-water you need without taking up excessive space.


Product description

True to its name sake, the 25Si compact is manufactured to suit homes where space is at a premium. It’s low lift weight and sleek design features are designed to enable the unit to be easily installed, used and serviced, and its user-friendly controls could help you monitor and control your central heating with ease.

Homeowners wanting to enhance their heating control could opt to get a smart thermostat installed as the 26Si is designed to be compatible with selected smart heating controls. Once you get a smart thermostat such as Nest or Netatmo, you could access and control your central heating whilst out and about, helping you ensure that it’s only in use when needed.


Key Features

Here’s a few examples of the ratings and reviews that the Greenstar 25Si Compact has received:

  • A-rated energy-efficiency rating
  • Brand series has been awarded a Which? Best Buy on multiple occasions
  • 5-stars for brand reliability
  • 5-stars for brand customer score
  • 5-stars for engineer score

(sourced from www.which.co.uk on 31/19/2018)


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Similar Alternative Models

As well as the Worcester Bosch Greenstar 25Si Compact combi boiler, you could also consider the following options:

1. Worcester Bosch Greenstar 25i

  • Low lift weight
  • Simple boiler controls
  • Clear information display

2. Ideal Logic C24

  • Backlit display
  • Easy to see pressure gauge
  • Boiler frost protection

3. Ideal Vogue C26

  • Up to 10-years' manufacturer-backed warranty throgh HomeServe***
  • Multi-function buttons for simplified use
  • Backlit 3.5” LCD full colour display

To get a free, quick and easy quote for your new boiler installation, try our free quote tool today. You could get the information you need within a matter of seconds!


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***Subject to an annual service at the customer's expense. Warranty extension from 5-years to 10-years only available on Worcester Bosch and Ideal gas boilers.