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Glow-worm Easicom3 System

The Glow-worm Easicom3 System is a high-performance gas condensing boiler that must be combined with a separate hot water storage cylinder.

Suitable for homes where hot water demand is greater, the Easicom3 System could help to reduce your gas bills because it is rated high for energy efficiency. It’s an easy to use system boiler that is compatible with some fantastic optional controls and guarantees to be whisper quiet when providing heating and hot water. If you go on to purchase this model, you’ll be supporting a British brand that makes every one of its boilers in the UK.

How Much Does this Boiler Cost?

Glow-worm’s Easicom3 System comes in just one output of 25kW and is competitively priced at around £625. You’ll need to consider the fitting cost as well, which is likely to be more than double the price of this boiler. It is possible to save on both the cost of the boiler and installation by shopping around, so be sure to take the time to compare prices from different companies and installers.

How will I know if this Boiler is Suitable for My Home?

A system boiler, such as the Glow-worm Easicom3 System, requires a separate cylinder for storing hot water. Most people that own a system boiler keep their cylinder in an airing cupboard. One of the benefits of system boilers is that they don’t need to be combined with a cold water tank, making this appliance a great option for homes without any loft space. Also, these types of boilers are suitable for homes with multiple bathrooms because they can stand up to high hot water demands.

Because this boiler is available in a 25kW output, it should be more than capable of meeting the needs of small to medium-sized properties. To be on the safe side and to find out if a system boiler is the correct type for your home, you should seek professional advice from a Gas Safe registered engineer.

Is it a High Efficiency Boiler?

The Easicom3 System by Glow-worm is A-rated for efficiency, meaning it should help to lower carbon emissions and save you some cash on those fuel bills. Its official ErP rating is 94%. This boiler is also Energy Saving Trust endorsed. To help your system work more efficiently and ensure you keep your energy bills down, Glow-worm has made the boiler compatible with its full range of intelligent controls. The brand’s most popular optional control is the MiGo app-based heating assistant that offers full cost-savings potential and enables you to control your heating and hot water from a smartphone.

Does this Boiler have a Good Range of Controls and Features?

Designed with quality in mind, this boiler has the usual selection of controls including adjustable heating and hot water temperature switches. It doesn’t come with a timer but you can purchase all sorts of optional controls, such as advanced thermostats, the MiGo smart control and wired or wireless outdoor sensors. The Easicom3 System has its own automotive grade aluminium heat exchanger for optimal boiler performance and a bright LCD display with a user-friendly interface. You’ll also get a standard horizontal flue and a wide range of accessories like a spacing frame and pipe cover.

How long is the Warranty on this Boiler?

With the Easicom3 System, you’ll get a 3-year parts and labour warranty as standard. If you choose a Glow-worm Club Energy installer to fit the boiler, you’ll have the option to extend the guarantee.

Summary of Important Information

  • Expect to pay around £625
  • Heating output of 25kW
  • Dimensions of 740mm (H) x 418mm (W) x 300 (D)
  • Uses gas as its fuel source
  • A-rated for efficiency
  • Smart compatible
  • 3-year warranty as standard

Pros and Cons

Since Glow-worm boilers have been rated average according to Which?, we recommend you do some research and look at customer reviews prior to buying the Easicom3 System. For now, you can check out all our pros and cons of this affordably priced boiler.


  • Suited to small to medium-sized homes
  • Easy to use and service
  • Ultra-quiet operation
  • High-grade aluminium heat exchanger – reliable performance
  • Provides maximum energy efficiency – reduce fuel bills and carbon emissions
  • Compatible with a range of intelligent controls – improves efficiency and performance
  • Compatible with the MiGo app-based control – maximises efficiency, learns your energy needs and allows you to manage your heating and hot water from anywhere


  • Glow-worm boilers have an overall Which? score of 54%
  • Requires separate cylinder
  • 3-year warranty – would prefer a longer standard guarantee
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