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Worcester Bosch Greenstar 25i Combi Gas Boiler

From: £2,079.00

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Worcester Bosch


Greenstar 25i Combi Gas Boiler

Is Condensing


Efficiency Rating


Band Rating

A Rated

LPG Compatible


Standard Warranty

Up to 10 Years

Central Heating Max. Output

24 kW


Wall Mounted

Flow Rate

10.2 l/m

ERP Rating

A Heat A Water

Hot Water Max. Output

25 kW

Product Description

The Greenstar 25i, manufactured by Worcester Bosch, is a condensing wall-mounted boiler that has been designed with a wide range of features and benefits.

Why install the Greenstar 25i?

The Greenstar I is one of Worcester Bosch’s most popular combi boilers as it’s suitable for nearly any type of home. Plus, it’s a simple to use unit with a clear display.

What size boiler do I need for my home?

If your home is medium sized, and not such an excessive need for heating and hot water, the 25kW is perfect for you! This range of boilers it also features an 30kW boiler, which is perfectly sutiable for the larger homes with 2 or more bathrooms and a higher demand for heating and hot water.

What sort of home is a combi boiler good for?

A combi boiler supplies hot water and heating on demand by using the mains water supply. This means you don’t need to have bulky tanks or cylinders making them perfect for the smaller homes or properties where space may be limited.

What features does this boiler include?

This unit comes with a variety of features including simple-to-use boiler controls with clear information display to give you maximum control over the unit, condesate discharge that’s resilient to freezing up to -15c, so you know you’re unit will be protected in the colder months when you need the unit most.

It also features a wide choice of controls, allowing greater comfort and economy, as well as featuring a low energy pump that helps to reduce electrical usage and water is instantle heated from the mains. It’s able to achieve an A+ rating when installed with a Wave Smart internet connected control.

How long is the warranty?

This unit features a standard 5 year warranty but if installed by a Worcester Bosch Accredited Installer you have the option of up to 7 years warranty.

What is the efficiency of this boiler?

This unit is a highly efficient boiler, featuring an seasonal efficiency of 94%, making this an ErP A-rated boiler.