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About Glow-worm

Having produced reliable heating and energy products for over 80 years, Glow-worm are the pioneers of heating solutions in the UK.

Glow-worm is a foundation of the UK energy industry, having originally begun producing boilers back in 1934 at the Derwent Foundry in Derbyshire.

For the past 80 years, their entire drive has been focussed towards offering customers reliable and highly efficient products. It’s this drive which has led Glow-worm right to the top as one of the leading heating manufacturers in the UK.

Offering exceptional and durable energy solutions, manufacturing all our boilers at their state of the art production facilities in Belper, Derbyshire.

Glow-worm's revered range of products includes domestic gas boilers, such as combi, system and heat only options.

Glow-worm & Vaillant

In 2001 Glow-worm was acquired by the Vaillant Group, Europe’s second-largest heating company. Vaillant employs over 12,000 people across Europe and China, providing innovative heating technologies to hundreds and thousands of homes all over the world.

Glow-worm Boilers - Efficient Central Heating and Hot Water

When it comes to your home central heating system we all know that being able to rely on your boiler, cutting your fuel bills and using less energy are all high up on everyone’s wish list.

This is why Glow-worm aim to create innovative and dependable boilers which can help you to use fuel efficiently to provide reliable home central heating and to lower your carbon footprint, looking after both the environment and your pocket./p>

Choosing the right boiler is important, picking the right one that does everything you need and is suitable for installing into your home central heating system as not all new gas boilers are the same.

If you are not sure which boiler is best for your property check out our boiler guide.

Glow-worm Combi Boilers

Glow-worm’s combi boilers are the ideal solution for all your hot water and central heating needs. Instant hot water, when you need it.

Glow-worm System Boilers

The system boiler, often listed as a ‘sealed system’, provides central heating and hot water via a storage cylinder, meaning that, unlike with a regular boiler, there’s no need for separate water tanks in the loft of your house.

These models are a great choice for those who have limited space in their loft, or for those living with a large family who wish to use hot water from multiple sources at once.

Glow-worm Regular Boilers

Glow-worm’s exceptional heat-only boilers (also known as ‘open-vent’ boilers) provide central heating and hot water via a winning combination of a boiler, a storage cylinder and water tanks.

Glow-worm Controls

Glow-worm's innovative collection of thermostats and sensors gives you complete control over the temperature in your home. Glow-worm’s programmable room control technology provides users with comprehensive yet easy-to-master home control systems. This enables customers to achieve their exact preferred temperature in a quick and straightforward way. Whether you want your heating to adjust according to the weather or you’re looking to heat each room at a different time, Glow-worm offer a wide selection of diverse controls, each with its own unique features and attributes.

MiGo Personal Heating Assistant

MiGo makes it all possible. Consisting of a control and an app it allows you to control your heating and hot water needs from your smart phone wherever you are, whatever time of day. MiGo will increase your comfort whilst lowering your energy bills.

MiGo will automatically learn your energy needs from the moment it's installed. It'll know to give you your desired temperature without the wait, so when you ask for 21 degrees you'll get 21 degrees without waiting.

Baxi Multifit Saver

Climapro₂ RF Control

The Climapro₂ RF is our most innovative wireless programmable room thermostat. This intuitive intelligent control allows you to program your central heating and hot water requirements for each part of everyday.

This incredibly easy to use handheld remote control allows you to have complete control of your central heating and hot water from the comfort of your armchair. Simply programme your central heating system to suit your timetable and lifestyle. The Climapro₂ RF is compatible with all Glow-worm boilers making your central heating control easier than ever.

Climapro1 Control

Climapro is a 2 channel programmable room thermostat which enables you to programme your specific heating and hot water requirements for each part of every day.

Climapro is available as a wireless or wired unit. The wireless unit can be used portably around the home allowing you to programme your boiler from the comfort of your armchair.

Climapro is designed with user friendliness in mind using straightforward menus for heating and hot water.


Climastat is the easy to use, simple and straightforward thermostat from Glow-worm.

Climastat will allow you to control your room temperature and is compatible with all of Glow-worm's boilers. If you're after a simple, discreet thermostat, Climastat could be the best option for you.

230V Room Thermostat

230V Room Thermostat is an easy to use, simple analogue control of room temperature. It is compatibale with all Glow-worm boilers with the exception of Ultracom2 35 Store.

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“Very knowledgeable clean and tidy polite.”
- Customer in Hampton

Over 900 reviews on

Checkatrade Recommended Local Plumber