Worcester Bosch Greenstar 30i

Type Combi boiler
Fuel Gas
Efficiency Rating A
Standard Warranty 5 years
Weight 31.7kg
Width x Height x Depth 400mm x 710mm x 330mm
Max kW Output 30kW
Flow rate 10.8l/min


The Worcester Bosch 30i combi boiler has the largest kW output in its range; however, its compact dimensions mean it could fit inside a standard kitchen cupboard. With innovative features, an ability to provide comfortable heating and instantaneous hot-water, installing this boiler could enhance the quality of your home heating system.


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Product description

If your household has 3-4 bedrooms, up to 15 radiators and 1-2 bathrooms, a Greenstar 30i combi boiler could be a suitable choice for you. Labelled as Worcester Bosch’s most popular combi boiler, this A-rated model is designed with the aim of maximising your home’s energy-efficiency and reducing your energy wastage; potentially saving you up to £200 on your energy bills**.

With simple to use boiler controls, you could set your heating preferences quickly and easily. This boiler is also designed to be compatible with selected smart thermostats, so you could potentially control your heating from your smartphone no matter where you are. The Greenstar 30i comes with a standard manufacturer-backed warranty of up to 5-years to provide you with peace of mind in knowing that you could receive a repair or replacement should the boiler breakdown or incur a fault***.


Ratings & Reviews

The Greenstar 30i is a popular choice for homeowners in the UK, here are some of the ratings that it has received:

  • 5 star brand reliability
  • 5 star engineer recommendation
  • 5 star efficiency rating
  • 5 star brand customer score
  • Awarded with the Which? Best Buy award

*The above information was sourced from Which?


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Similar Alternative Models

We aim to supply and install a variety of boilers to help ensure that we cater to as many homes and central heating demands as possible. As well as Worcester’s Greenstar 30i boiler, these boilers are also available:

1. Worcester Bosch 25i Combi

  • Same dimensions and features as the 30i model, just with a lower kW output to potentially suit smaller homes and lower central heating demands.
  • Instantaneous hot-water
  • Clear information display

2. Ideal Logic + Combi C30

  • Large digital display
  • Fully modulating operation to low outputs
  • Easy-to-use controls

3. Worcester Bosch 30Si Compact

  • Compact in size
  • Clear temperature display
  • A-rated for efficiency


If you’d like to find out more about the Greenstar 30i combi boiler, don’t hesitate to contact us, we could provide you with the help and advice you need.


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*5% online discount is available to domestic gas and LPG customers who receive an online quote for all boiler brands. £50 additional discount available on all like-for-like system swaps excluding Ideal Logic HE24 and HE30 boilers & Ideal Logic HO12 & HO15 boilers and an additional £100 discount is available on conventional to combi, and combi to conventional boiler swaps. Online discounted price is only available for the duration of the 14-day quote validity which starts from the day the quote was given. HomeServe include a filter as part of your quote as this is highly recommended by the boiler manufacturer as a key component in maintaining boiler health, functionality and may potentially be looked upon favourably by manufacturers when assessing warranty work. This filter can be removed at the customer’s request. Quote also includes a Honeywell CM727 programmable thermostat for all combi boiler installations as this is a legal requirement as part of the Boiler + legislation introduced 6th April 2018, and cannot be removed from the installation unless; it is replaced with an alternative smart thermostat; or another energy saving measure as listed in the Boiler + legislation or if an smart thermostat already exists within the property. This offer cannot be used in conjunction with any other offers. HomeServe have the right to withdraw or change the offer at any time. Online discount is automatically applied when the customer gets a quote using the online quote system at www.homeserveboilers.com and as long as the customer meets all the above criteria.

** http://www.energysavingtrust.org.uk/home-energy-efficiency/boiler-replacement

***Subject to an annual service at the customer's expense. 10 year warranty option only available on Worcester Bosch and Ideal gas boilers.

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