Glow-Worm Energy 35 Store Combi

Glow-worm, manufacturing home heating systems in the Derbyshire countryside for over 80 years, is a UK-based brand you can trust. Glow-worm prides itself on offering ‘exceptional and durable’ heating solutions. A part of the global boiler brand Vaillant, Glow-worm has some of the best budget heating solutions on the market. 

The Energy 35 Store Combi is a revolutionary offering from Glow-worm. Combining the features of a combi boiler and a system boiler, the Energy 35 Store Combi can provide an instant supply of unlimited hot water. Read ahead to see if this efficient combi boiler could be the right one for your home.

How Much Does The Energy 35 Store Combi Cost?

The Energy 35 Store Combi is one of the pricier combi boilers on the market; however, you get your money’s worth with this incredibly powerful boiler. The boiler itself will cost up to £1,670, including VAT. Prices vary from different suppliers, so it is worth doing a bit of research. 

This price does not include the installation costs. Installation costs are usually relatively high; they can sometimes equal the boiler itself. This is a high cost to remember when shopping around. 

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Is This Boiler Suitable for My Home?

Unlike most combi boilers, the Energy 35 Store Combi is well able to heat and supply hot water to larger properties. This is thanks to its storage water vessels contained in the unit, which can provide unlimited hot water. The boiler has an impressive 19.7 litres per minute flow rate and a re-heat time of less than five minutes.

The boiler is also easily converted to LPG, making it suitable for homes without access to the mains gas network. It is essential to get your home checked by a heating engineer before making any new boiler investments. They will monitor your home heating and hot water demands and recommend the right boiler for your home. 

Replace Your Existing Boiler With Glow-worm’s Energy 35 Store Combi

Replacing your old boiler with the Energy 35 Store Combi should be a straightforward job for your installer. As it is a combi boiler, it comes as an all-in-one package; there is no need for hot water cylinders or water storage tanks. 

The Energy 35 Store Combi is slightly bigger than most combi boilers, so it will not fit in your average-sized kitchen cupboard. However, impressively, it can still be wall-mounted, and so can be easily installed wherever you decide is suitable in your home.

Boiler Energy Efficiency

These days, it is essential to make environmentally conscious investments, especially with such an every day, long term investment like a new boiler. An energy-efficient boiler can help to reduce your carbon emissions, making your home more environmentally friendly. 

The Energy 35 Store Combi is an excellent choice for those trying to make their homes that bit greener. It boasts an ErP energy efficiency A-rating and is endorsed by the Energy Saving Trust. This guarantees not only a reduction in your carbon footprint but will also save you a lot of money on your gas bill. 

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Energy 35 Store Combi Controls & Features

The Energy 35 Store Combi comes with a user-friendly control system. It has temperature adjustment buttons, a reset button and a system pressure gauge. It also comes with built-in frost protection, which will ensure your boiler is kept safe from freezing temperatures. 

This combi boiler can be combined with a range of accessories such as Glow-worm’s wireless programmable room thermostat called Climapro 2 RF, or the MiGo personal heating assistant. These can increase the boiler’s functionality and efficiency, while the homeowner can manage their home heating system more easily. 

How Long Is The Warranty On This Boiler?

The Energy 35 Store Combi comes with a generous 7-year parts and labour warranty. This means the material and labour costs to repair or replace any components of the boiler will be covered up to 7 years after purchase. 

This guarantee can even be extended if you opt to get the boiler installed by a Glow-worm Club Energy installer. It is essential to read the terms and conditions to ensure you do everything you need to benefit from the guarantee. The boiler needs to be serviced annually to maintain the warranty, and it needs to be installed by a Gas Safe registered installer. 

Energy 35 Store Combi By Size & Price

The Energy 35 Store Combi is a relatively large combi boiler, its dimensions are 890 mm (H) x 470 mm (W)  x 561 mm (D). This means the boiler can be stored in a larger storage cupboard in the home. There is no need for extra water storage tanks, which is helpful for homes with limited storage space. 

Features & Benefits

The most attractive feature of the Energy 35 Store Combi is, without a doubt, its instant, unlimited supply of hot water, allowing it to power two showers at once. However, the boiler comes with some other great features; take a look at the table below…

Stainless Steel Heat ExchangerEnsures longevity and minimises maintenance costs. 
Shift Load Technology and Mixing ValvePowerful 19.7l/min flow rate.
Ultra-quiet in operation Discreet in the home. 
Two 21 litre insulated tanks Reheat time of less than 5 mins. 

These features highlight the incredible heating abilities of this boiler. The revolutionary shift load technology, combined with the mixing valve, ensure that the boiler has a constant hot water supply to heat large houses. 

The boiler is an excellent option for homes where it will be stored in a living area due to how quiet it is in operation. While the boiler’s quality materials, such as the stainless steel heat exchanger, guarantee a longer life of the boiler and will save you money on replacement costs. 

Smart Heating Controls

Smart heating controls have completely revolutionised the world of home heating. They eliminate the stress of wasting money by accidentally leaving a boiler on as they give the homeowner complete control over their boiler on the go.

They also help increase the boiler’s efficiency as they can use weather compensation to adjust the boiler’s temperature to the weather outside. This eliminates unnecessary expenditure on heating when it is not needed. 

Glow-worm has a range of smart heating controls that can enhance the Energy 35 Store combi user experience. This includes the MiGo personal heating assistant, which automatically learns your heating needs, or the Climapro 2 RF Control, which has weather compensation. 

Does The Energy 35 Store Combi Work With Google Nest?

Yes, the Energy 35 Store Combi can be used with Google Nest. This smart thermostat from Google can learn your home’s heating needs in order to optimise boiler usage. 

Does The Energy 35 Store Combi Work With Hive?

Yes, Hive Home can be combined with this combi boiler. It can help increase the boiler’s efficiency as it can create an optimised heating schedule for your home. 

Does The Energy 35 Store Combi Work With Tado?

Yes, the Energy 35 Store Combi can be used with the smart thermostat Tado. Tado gives the homeowner more freedom as they can use it to control their heating system on the go. 

Is the Energy 35 Store Combi Any Good?

The Energy 35 Store Combi is one of the best combi boilers out there. It is incredibly powerful and will never let you go without hot water. It’s features can even help the homeowner to reduce their emissions and their gas bills. 

Pros and Cons

Here is a quick look at the advantage and disadvantages of choosing the Energy 35 Store Combi as your next combi boiler


The pros of the Energy 35 Store Combi;

  • A-rated for energy efficiency; save money on your gas bill while reducing your carbon footprint. 
  • Shift Load Technology and Mixing Valve; ensures constant hot water supply. 
  • LPG compatible; suitable for homes off the grid. 
  • Stainless Steel Heat Exchanger; ensures a long life of the boiler. 
  • Compatible with smart heating controls; increase the efficiency of the boiler. 


The cons of the Energy 35 Store Combi;

  • Slightly bigger than most combi boilers; needs more storage space. 

Is Boiler Finance Available?

Yes, it is straightforward to get the Energy 35 Store Combi on boiler finance. The interest rates of this boiler are also super low.

Do I Need Boiler Cover?

Yes, it is doubtful that you will need it due to the durability of this boiler, however, it is essential to get boiler cover. In the case of extraordinary circumstances, it is better to be covered, as boiler replacement costs can be very high.

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