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    Worcester Bosch Greenstar i Junior Combi Boilers

    The typical cost of a Worcester Bosch Greenstar i Junior Combi Boiler is £1169.99, which includes VAT and excludes installation.

    Worcester Bosch Greenstar i Junior Combi Boilers

    Lightweight at 27.1kg and measuring in at 710mm (H) x 400mm (W) x 300mm (D), the Worcester Bosch Greenstar i Junior Combi is a small combination boiler that does not require a cold water tank or hot water cylinder to do its job.

    It offers a heating output of 24kW and will provide 9.8 litres of hot water per minute.

    This boiler is designed to suit apartments and small houses and has a price tag of around £1169.99. When purchasing the Greenstar i Junior, you will be given a 2-year manufacturer warranty and a 10-year guarantee on the primary heat exchanger.

    Boiler Energy Efficiency Credentials

    The Greenstar i Junior Combi is an Energy Saving Trust endorsed boiler and has been given an A rating by SEDBUK. Whilst providing you with an ample amount of heat and hot water, the boiler works hard to reduce fuel consumption and cut your energy costs. And thanks to its low NOx and CO2 emissions, this appliance is environmentally friendly and can help to reduce your carbon footprint. What’s more, you can boost efficiency with some of Worcester’s energy efficient optional controls, such as room thermostats, wireless programmers and thermostatic radiator valves.

    Greenstar i Junior Technology and Main Advantages

    With this boiler, hot water is always available on demand because it has a special ‘keep hot’ facility. If you need to adjust heating levels for ultimate comfort, you can do so with ease by using the smart central heating control.

    In addition to the ‘keep hot’ facility and central heating control, this appliance also features a standby mode, which helps to reduce energy consumption by up to 60%. The boiler itself is built from robust silicon and aluminium, and you can choose to use a vertical or horizontal flue, depending on where you wish to keep the appliance in the home.

    The Greenstar i Junior Combi comes with a wall mounting kit to ensure all the pipework can remain neatly tucked away behind the boiler. And as previously mentioned, the boiler is compatible with a wide selection of optional controls so that the highest efficiency level can be achieved.

    Is the Greenstar i Junior Combi the Right Boiler Type and Size for Your Home?

    Taking into account the boilers output and flow rate, this combi range from Worcester Bosch is suitable for apartments and small houses with no more than 2 bedrooms and 1 bathroom. Since it’s not the most powerful combi boiler out there, it’s also ideal for singletons, couples and small families that have a lower demand for heating and hot water. To be on the safe side, we suggest you always ask a Gas Safe engineer to recommend if this boiler is the best option for your home and requirements.


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    Compact and lightweightCan be placed almost anywhere in the home
    A-rated conventional boilerSave money on your gas bill
    ‘Keep Hot’ function and heating controlUltimate end-user comfort
    Compatible with intelligent controlsAlternative energy and cost savings option
    Standby modeReduce energy consumption
    Low NOx and CO2 emissionsEnvironmentally friendly
    2-year parts and labour warrantyConfidence and peace of mind
    10-year guarantee on heat exchangerExtra peace of mind

    Our Honest Opinion of the Worcester Bosch Greenstar i Junior

    Made to fit the exact requirements of those living in smaller properties, the Worcester Bosch Greenstar i Junior Combi is a premium priced condensing boiler that can be sited almost anywhere in the home. Not only does it boast advanced technology but this boiler also stands out when it comes to performance and fuel efficiency.

    By being a high-quality combi, this appliance is cost-effective because water is heated instantly and does not require the use of a hot water storage cylinder. It also uses less gas to provide generous levels of heat and recycles exhaust gases in order to reduce carbon dioxide in the atmosphere.

    Although we think the standard controls could be more advanced, you can purchase a range of optional controls to improve comfort and efficiency. You may also be interested to know that the boiler is known for being a best-selling combi, and can run off natural gas or LPG (liquefied petroleum gas).

    Advice on Boiler Quotes and Gas Safe Engineers

    If you want to obtain competitive Worcester Bosch Greenstar i Junior Combi quotes from local and national installers, please don’t hesitate to use our free quote engine. When liaising with engineers, always ask for a fixed price to make sure you get the best deal and won’t have to be faced with any hidden fees. Also, remember to check the Gas Safe Register to see whether your chosen installer is legally allowed to work on gas appliances.


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