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    Glow-Worm Energy Combi Boilers

    You can expect to pay anything between £787.62 and £912.24 (including VAT an excluding installation) for a Glow-Worm Energy Combi Boiler.


    Compact and lightweight, the Glow-Worm Energy Combi measures in at 700mm (H) x 390mm (W) x 280mm (D) and will comfortably fit in a number of tight spaces, such as a standard kitchen cupboard.

    As the boiler comes in a range of outputs including 25kW, 30kW and 35kW, this model is suitable for most small, medium and large homes. This small boiler is also ideal for properties with minimal living and loft space because it doesn’t require the use of a hot water cylinder or cold water tank.

    Energy Combi prices vary from around £787.62 to £912.24 depending on the model output you choose. The boiler does come with a lengthy 7-year warranty out of the box but this can be upgraded if the appliance is fitted by Club Energy installer.

    Boiler Energy Efficiency Credentials

    The Glow-Worm Energy Combi is ErP A rated for heating and hot water efficiency, so you can be confident that you’re investing in a highly efficient boiler. So, if you have a rather old boiler at the moment and decide to switch to this model, you will notice a considerable drop in your energy bills. This boiler also has a modulating Grundfos pump, which is capable of lowering your running costs because it automatically adapts its output to meet your home’s heating and hot water demand. To save even more energy and money, you can purchase a variety of optional controls including the Climapro2 RF control and the MiGo personal heating assistant with smartphone app.

    Energy Combi Technology and Main Advantages

    This feature-rich boiler comes with an automotive grade aluminium heat exchanger that is designed to last longer and reduce your energy bills. As this component is easy to maintain and doesn’t require any special cleaning tools, service and maintenance costs should be lower as well. It’s also super quiet and the boiler itself is Quiet Mark approved, so you can be certain that the Energy Combi is virtually silent in operation.

    The range includes three output sizes with different maximum hot water flow rates, which are as follows:

    • Energy 25kW Combi – 10.4 litres per minute
    • Energy 30kW Combi – 12.5 litres per minute
    • Energy 35kW Combi – 14.4 litres per minute

    In addition to the impressive heat exchanger, the boiler has a highly efficient Grundfos pump – one of the best and most reliable pumps in the UK. Other key features include an easy-to-use interface and modern LCD display to make changing and confirming settings straightforward, even if the appliance is installed in a dimly lit area.

    Is the Glow-Worm Energy Combi the Right Boiler Type and Size for Your Home?

    With three different output options available, the Energy Combi is a sensible choice for small, medium and large homes. And since it heats water directly from the mains and doesn’t need bulky tanks or cylinders to provide plenty of heating and hot water, it’s also perfect for homes with limited storage or loft space. However, you must consult with a Gas Safe engineer over your heating and hot water needs to make sure you pick the correct boiler size for your property.

    As a rough guide, the 25kW unit is suited to flats and small properties with 1 bathroom and around 10 radiators, and the 30kW version is best for a medium home with 1 bathroom, 1 ensuite and up to 15 radiators. The 30kW Energy Combi has been designed specifically for larger 2 bathroom dwellings with greater heating and hot water requirements.


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    A-rated combi boiler Save money on your gas bills
    Highly efficient Grundfos pumpMaximises efficiency and lowers running costs
    Automotive grade aluminium heat exchanger Highly efficient performance
    Clear LED displayDelivers clear visibility in poor light conditions
    Compact sizeCan be installed in a kitchen cupboard
    Quiet Mark approvedUltra-quiet whilst in operation
    7-year parts and labour warrantyConfidence and peace of mind
    3-year parts and labour warrantyAdded peace of mind

    Our Honest Opinion of the Glow-Worm Energy Combi

    Glow-Worm’s Energy Combi benefits from a range of features such as compact dimensions, a high-quality heat exchanger and highly efficient Grundfos pump. Even though it’s a competitively priced boiler from a budget brand, it also has a rather long parts and labour warranty.

    We like the fact that the boiler can be installed virtually anywhere and is flexible enough to meet the heating and hot water demands of most property types and sizes. Not forgetting that this model has a SEDBUK A efficiency rating for lower energy bills and reduced carbon emissions.

    Customers and engineers have said that the boiler is reliable, with many stating that the Energy Combi provides excellent energy efficiency and delivers value for money – so we’re giving it a big thumbs up.

    Advice on Boiler Quotes and Gas Safe Engineers

    If you want to get the cheapest Glow-Worm Energy Combi price, we recommend you shop around and get quotes from different boiler replacement companies and installers. Once you’ve got a few quotes, you can compare prices and choose the best deal on offer. You also need to make sure that your chosen installer is Gas Safe registered to ensure the work is carried out legally and in a safe manner. To find out the registration status of an engineer, simply ask to view the details on their ID card or check the official Gas Safe Register online. Don’t forget, you can use our free service to obtain no-obligation quotes from reputable companies and Gas safe installers to save you time and effort.


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