Glow-worms pride itself in the manufacture of wide range of user-friendly heating appliances. Glow-worm is the sister brand of internationally renowned Vaillant group. Both of the brands are highly recommendable by the installers and the users.

The fundamental feature of Glow-worm is producing the boilers which are comprehensive and eay-to-control. All the boilers are highly reliable and efficient that has been developed to save maximum amount of energy possible by the innovative technology standards.

How to choose the best boiler?

Boilers are integral to the functioning of any house. Like any other expensive purchase it is important to do well research about the boilers before buying it. The right boilers choice depends upon the central heating system of your home. 

There are things you need to know which will help you throughout the process, staring from picking up the best till its installation. These are the things you need to aware before making the last decision for you boiler.

Heating element – Unlike the traditional boilers which constitutes of single thermostat, the new generation boilers comes with more advancement and intelligence. They offer you zoning controls through which you can manage your temperature and timing programme with just a single app. Also, it has weather compensation controls which can foster the efficiency of boiler by 15 percent.

Condensing boilers – Earlier, the heat discharged from the boiler gets simply wasted. But now these condensing boilers are designed so that all the heat that can be extracted from the fuel which can further reuse as a usable heat to warm the house. 

Right size – the boilers which were used earlier are oversized around 30 percent unnecessarily. But now if you know the heating requirements of each room in kilowatts you can easily find out the size of heating emitters and can judge that is the boiler size perfects fits your wall size or not.

Positioning – people usually fits their boilers inside their kitchen or in the utility area. You need to know that these boilers produce plume of steam which could be a nuisance.

Efficient boiler- It is important to buy an efficient boiler for your home. Go for the one which gives you at least five-year warranty and is a fan assisted room sealed type. As these boilers takes air from outside and then the combustion products are forced out from a fan. Thus, it then works with the highest standards.

Some of the best boilers are here:

Glow-worm Energy Combi 35kW Gas Boiler

The Energy combi gas boiler is uniquely designed with amazing features which will help it to run in a long run with an excellent performance. There is a bright easy to use interface and choice of controls.

Introduction

The Glow-worm combi gas boiler is a wall mounted gas boiler. The boiler comes with great range of user controls and outputs. This boiler will provide you hot water and heating directly from the mains. Therefore, eliminates the need of any additional storage tank. The boiler is small and sleek appliance with minimal casing which enables the boiler to fit inside a kitchen cupboard or to install anywhere else in the house.

Designed using automotive grade aluminum the Energy heat exchanger is a high quality, high efficiency product that makes the boiler easy to maintain and install. The boiler just require simple water flush for the heat exchanger which means lower costs no special cleaning tools required. Also the boiler is supported by the UK wide spare parts availability. This boiler is an ideal choice for the properties having multiple bathrooms and a higher demand of heating and hot water supply.

Features

Highly efficient – this Glow-worm Energy boiler comes with ErP of 89.2% with ‘A’ rating. The boiler will help to reduce the carbon emission and help you to save money on your energy bills. Also, you can increase the amount of saving by using your boiler with an optional intelligent control, like Climapro2 RF control or the MiGo app-based personal heating assistant. 

User-friendly controls – the boiler comes complete with system pressure gauage, reset and on/off switch and with the adjustable heating and hot water controls. Moreover, the boiler offers you some optional intelligent control as well. People are usually buying the boiler with MiGo as it will maintain the temperature according to your needs and allow you to regulate your boiler through your smartphones with the help of its intelligence.

Compact size – the boiler is sleek and compact in size. With small footprint range , it allow the user to install it anywhere they want including the kitchen cupboard as well.

Automative grade aluminium heat exchanger – the boiler has the automative grade aluminium heat exchanger which is designed to make the boiler run in a long way. It also helps to maintain the boiler easily. The boiler is ultra-quiet operation and helps to reduce the energy bills of the users.

Specifications

Boiler height– 700mm

Boiler width – 390mm

Boiler depth – 280mm

Power output – 35Kw

Efficiency rate – 89.2%

Flow rate – 14.4l/min

Fuel – Natural gas

Warranty – 7 years

Pros

High quality automative grade aluminium heat exchanger

Compact size

Easy to use

 Easy controls

Easy installation

7 years warranty

Compatible with different controls and flues

Highly efficient

Verdict

Well known for developing amazing quality and valuable boiler, Glow-worm Energy boiler is a highly efficient boiler which can satisfy the high demands of heating and hot water very easily. We will recommend this boiler to the users who have a high demand for heat and hot water in their houses.

Glow-worm Essential 24kW Combi Gas Boiler

The Glow-worm Essential boiler is a highly efficient, reliable and durable boiler which will provide you the best experience. Its fancy features make the boiler more popular and unique than any other boiler in this competitive market.

Introduction

Glow-worm Essential is one of the most competitively priced combination boiler in the market. The boiler is an ideal choice for the homes with one bathroom that don’t require high demand for heating and hot water. This is a lightweight unit and offers a stylish look to your homes. Despite of being compact in size, the boiler comes with some fancy and unique features.

The boiler is also super-efficient as it has modulating grundfos pump, this will help you to shrink your energy bills and will keep your homes warm and cozy.  The Essential is delivered as the boiler, flue and analog and an award winning loyalty programmer which is supported by a UK brand. With this boiler you have opportunity to have the best quality, performance and value for money boiler. Also this is just a single unit with water heater and central heating boiler wrapped into one.

Features

High efficiency – the Glow-worm Essential boiler is indeed a highly efficient boiler with an ErP ‘A’ rating. This means the boiler will use lesser fuel and minimizes your carbon footprints. Thus, it will help you in saving your energy bills. To increase the efficiency you have a full-range of Glow-worms control which will improves the system efficiency.

User-friendly controls – the boiler has a high range of controls as the boiler has LCD screen display and touch controls that includes switches for on/off and the options to regulate the heating and hot water temperature respectively. Also, you can purchase the optional controls which are available in both wired and wireless mode. You can operate the boiler with your smartphone app, once you have the MiGo personal heating assistant with you. Not only this, the boiler has in-built analog timer and a powerful aluminium heat exchanger to provide excellent performance to the users.

Design – the Glow-worm Essential boiler is simple yet stylish boiler. The boiler is light in weight but than also have different and unique features. The boiler is compact in size that it can be fit into the kitchen cupboard as well.

Warranty- the Essential boiler comes with 3 years parts and labor warranty of the boiler. This will help you to easily maintain the boiler in the long run.

Specifications

Boiler height– 740mm

Boiler width – 418mm

Boiler depth – 300mm

Power output – 24Kw

Efficiency rate – 89.3%

Flow rate – 10.0l/min

Fuel – Natural gas

Warranty – 3 years

Pros

Compact in size

Grundfos pump

Easy to use and maintain

No need of separate cylinder

Compatible with different range of intelligent controls

Highly efficient

Cons

Only 3 years warranty

Verdict

The Glow-worm Essential combi boiler is great in performance and high in reliability, making it an amazing option for the ones who are searching for compact yet stylish boiler for their homes. We will recommend this boiler to the ones who are willing to buy a highly efficient and decent feature boiler. The boiler offers fantastic value for money as well.

Glow-worm Energy System 30kW Gas Boiler

With the great range of features and stylish look, Glow-worm Energy System boiler can satisfy huge hot water and heating demands very conveniently. Ideal for every house, this boiler has been awarded for its performance from reputed Accreditation as well.

Introduction

The Glow-worm Energy system boiler is a highly reliable and efficient boiler, designed and manufactured in UK. It is such a compact condensing boiler that it can be kept virtually anywhere in the house. This is an ideal choice for the users who have high hot water demand. It can be installed with a cylinder and for hot water storage. This is a light weight boiler with a choice of rear or top flue which makes it easy to install as well.

The important parts of the heating system like pump and expansion vessel are built-in the system boiler making it quicker and cleaner to install. This will also help in getting faster response to the demand of hot water and heating supply. The boiler also includes high efficiency Groundfos pump which will balance the temperature accordingly and hence, helps in saving the energy bills. Its four sided cooling reduces the stress on the heat exchanger which maintains the long term reliability of the boiler.

Features

High efficiency – endorsed by the Energy Savings Trust, the Glow-worm Essential boiler has met to the strict energy efficiency criteria. The boiler stands with the efficiency rating of 89.3% with the ErP of ‘A’ rating. It will surely lead to a drop in your energy bills once installed. Also, it can be used with high range of controls including traditional plug-in timers or the intelligent MiGo app-based controls to increase the effeciency of the boiler.

User-friendly controls – the boilers have the simple and compact controls. It includes a LCD display and the other controls to adjust the temperature of the boiler. Optional controls are also offered by the boiler, you can use the popular MiGo personal heating assistant that will modulate the temperature and will help in saving your energy bills. For optimum performance, the boiler has modulating Grundfos pump that will adapt the heating and hot water demands and will ensure to save the fuel as much it can.

Quiet operation – the boiler is “Quiet Mark” approved. The boiler will provide you noise-free ambience in your homes and will provide calmness while running.

Warranty – the Energy system comes with 7 year parts and labor warranty as standard. This will provide you peace of mind as well with a single purchase.

Specifications

Boiler height– 700mm

Boiler width – 390mm

Boiler depth – 280mm

Power output – 30Kw

Efficiency rate – 89.3%

Fuel – Natural gas

Warranty – 7 years

Pros

Quiet mark approved

Compatible with range of intelligent controls

7 year warranty

Easy to use and install

Highly efficient

Grundfos pump

Highly reliable

Cons

Requires separate cylinder

Verdict

With the high impact design, the Energy boilers will surely suit your homes. It’s bright easy controls makes it convenient to use. We will recommend this product as it is simple and will satisfy the high hot water and heating demands of the users.

Glow-worm Energy 35 Store 35kW Combi Gas Boiler

This all new Energy range by Glow-worm is a collection of best features and stylish look together. This boiler has a popular choice for medium to large property users depending on their hot water and heating demands.

Introduction

A fully integrated, wall-hung boiler the Energy 35 store has everything you expect from system and combi boiler within a single unit. If you have a large property and tend to use a lot of hot water, than this is the ideal boiler for you. It can provide you instant supply of hot water. It is compact, all-in-one mounted boiler which produces heat for both central heating systems and taps. Thus, it eliminates the need of water tank or cylinder for the storage. This not only saves space but also provides larger properties with unlimited hot water.

The boiler is ultra-quiet in operation and is highly efficient which saves you energy bills altogether. There is wide range of controls available to go with it.

Features

Highly efficient – the Glow-worm energy robust boiler stands with ErP ‘A’ rating with 89.4% efficiency rating. It has also been endorsed by the Energy Savings Trust, which ensures you are going to purchase a highly efficient boiler. The boiler will emits less carbon footprints and will help you to reduce your energy bills to minimum. Also the boiler is compatible with Glow-worm’s innovative intelligent operational controls and enables the boiler to modulate the heating in most efficient way possible.

User-friendly controls- the boiler comes with easy and convenient controls. It allows you to adjust the temperature of the heating and hot water in the house. To ensure the reliability and performance, it can be hung on the wall and shift-load technology as well. The boiler even has two insulated integrated tanks which can reduce the loss of heat and provide a supply of hot water. Also the amazing feature is, it takes less than 5 minutes for the water to re-heat again.

Ultra-quiet operation – the boiler will help you to experience its ultra-quiet operation. The boiler will not produce any sound while operating. This will help to create a noise-free environment in your homes. Also the removable easy clean filter will protect the heating circuit, even in the hard water areas.

Warranty – the boiler comes with  7 years part and labor warranty as standard. This will provide peace of mind to the users.

Specifications

Boiler height– 890mm

Boiler width – 470mm

Boiler depth – 561mm

Power output – 35Kw

Efficiency rate – 89.4%

Flow rate – 14.4l/min

Fuel – Natural gas

Warranty – 7 years

Pros

Suited for larger homes

No need for separate cylinders

Ultra-quiet operation

Compatible with intelligent controls

Highly efficient

Easy to use and install

LPG compatible

Verdict

The Glow-worm Energy 35 Store 35kW Combi Gas Boiler is best for you as its special features and stylish design makes it different from every boiler in the market. This boiler can satisfy the huge demands of hot water supply and heating very easily. Plus, this boiler is suitable for homes that are either on or off the main gas networks because it is compatible with LPG straight out of box.

Glow-worm Easicom3 System

Glow-worm boiler is highly reliable boiler, designed to meet the needs of medium properties. With amazing features, this boiler is supported by the UK brand you can trust on with industry leading service, support and award winning loyalty program.

Introduction

Designed with high quality and powerful aluminum heat exchanger, Easicom3 has leading features. This boiler is suitable for the homes where a hot water demand is greater. It doesn’t need to combine with cold water tank, making the boiler a greater option for the homes without any loft space. The boiler is compact in size, neither heavier nor lighter in weight. This is a very efficient boiler and can help you to reduce your energy bills with it.

The boiler is easy to use system boiler that is compatible with amazing optional controls and has ultra-quiet operation when providing heating and hot water. With this single purchase you are supporting a British Brand that makes every one of its boiler in UK as it is supported by a UK brand and has award winning loyalty program associated with it.

Features

Highly efficient – the Easicom3 is a A rated boiler for efficiency. This means it will lower the carbon emissions and shrink you energy bills for sure. It has an ErP of 94%. Also the boiler is endorsed by the Energy Savings Trust that ensures you that you are purchasing a highly efficient boiler, as it has passed through the strict criteria for the level of effeciency and performance. The boiler is compatible with MiGo app-based heating assistant that offers full savings potential and regulates the heating and temperature of the boiler through your smartphone app.

User-friendly controls – though the control are basic in the boiler but you can purchase the optional controls with it. The boiler has LCD display with a user-friendly interface and you will get horizontal flue and wide ranges of accessories like spacing frame and pipe cover. You can purchase the advanced thermostats, the MiGo controls and wired or wireless outdoor sensors as well.

Warranty – the boiler comes with 3 years parts and labor warranty. You can experience peace of mind with just a single purchase of this boiler.

Quiet operation – the boiler will not produce any sound while operation. As the boiler offer you Ultra-quiet feature while providing hot water or heating to your homes. Thus, you can experience a peaceful environment in your homes.

Specifications

Boiler height– 74cm

Boiler width – 41cm

Boiler depth – 30cm

Power output – 25Kw

Efficiency rate – 94%

Fuel – Natural gas

Warranty – 3 years

Pros

Easy to use and service

Ultra-quiet operation

Highly efficient

Compatible with different range of intelligent controls

Operated from smartphones

Cons

Requires separate cylinders

Only 3 years warranty

Verdict

We will recommend this boiler to the users who have a high hot water demand in domestic use. The boiler is supported by the UK brand, where if you are purchasing this boiler than you are contributing toward your nation as well.

Comparison Table

Boilers	Efficiency rate	Warranty
Glow-worm Energy Combi 35kW Gas Boiler	89.2%	7 years
Glow-worm Essential 24kW Combi Gas Boiler	89.3%	3 years
Glow-worm Energy System 30kW Gas Boiler	89.3%	7 years
Glow-worm Energy 35 Store 35kW Combi Gas Boiler	89.4%	7 years
Glow-worm Easicom3 System	94%	3 years

Summary

Glow-worm has been manufacturing user-friendly boilers for UK homeowners and has been kept its quality upto the mark since 1934. Glow-worm is dedicated with the form of offering customer dependable and high efficient products. As a leading and reputed boiler and manufacturer, the brand has acquire a high place in the markets of UK.

Though the boilers manufactured from Glow-worms are always best in quality and performance, but these 5 are the boiler which we have selected as the best from the  huge ranges of boilers. Glow-worms offer affordable mid-ranges boilers which can be purchased by the users easily. There are many factors bu the quality they provide cannot be found anywhere else.