Glow-worm Boilers Review, Prices, Types & Features

Glow-worm is a UK-based company that’s been keeping homes cosy since 1934. The company has a solid reputation in the heating industry and is known for its reliable and efficient gas boilers. 

In this post, we will provide an in-depth review of Glow-worm boilers. We’ll cover everything, including the price of their boilers, different types they offer, their energy efficiency, and what the installation process looks like. Plus, we’ll break down their warranty options and share real customer reviews. 

By the end, you’ll know exactly why a Glow-worm boiler could be just what you need to keep your home warm and comfortable.

Glow-worm Boilers Review – Overview

• Glow-worm provides a range of gas boilers, from combi to regular models, with up to 10-year warranties and 90% efficiency.
• Customers rate Glow-worm highly for performance, energy savings and value for money.
• Their prices are competitive compared to market leaders and their boilers feature smart controls compatibility.

Types of Glow-worm Boilers

Glow-worm provides various types of gas boilers, such as:

• Combi
• System
• Regular

Each boiler type is designed with specific features, making it easier to find the right boiler for your home. The most popular boiler range offered by Glow-worm is their combi boiler range, which is the most prevalent type of boiler in the UK.

Glow-worm combi boiler range and prices

Glow-worm combi boilers are an ideal option for smaller homes with good water pressure, as they:

• Are compact and efficient
• Provide on-demand hot water and heating
• Require no additional hot water storage tank
• Supply instant hot water and heating
• Have an output range of 18-35 kW and over 90% efficiency
• Cost from £540 to £1,234

Model	kW	Warranty	Price (without installation)
Glow-worm Energy Combi 25 kW Gas Boiler	18	7 years	£775
Glow-worm Energy Combi 30 kW Gas Boiler	25	7 years	£795
Glow-worm Energy Combi 35 kW Gas Boiler	25	7 years	£915
Glow-worm Betacom4 24 kW Combi gas Boiler	21.2	5 years	£525
Glow-worm Betacom4 30 kW Combi gas Boiler	30	5 years	£565
Glow-worm Easicom₃ 24 kW Combi Gas Boiler	24	3 years	£614
Glow-worm Easicom₃ 28 kW Combi Gas Boiler	28	3 years	£665
Glow-worm Easicom3 24 kW Combi Gas Boiler	24	6 years	£625
Glow-worm Ultimate3 30 kW Combi Gas Boiler	30	10 years	£705
Glow-worm Ultimate3 35 kW Combi Gas Boiler	35	10 years	£775
Glow-worm Compact Combi Boiler 24 kW	18.3	5 years	£540
Glow-worm Compact Combi Boiler 28 kW	18.3	5 years	£575

Glow-worm system boiler range and prices

Glow-worm system boilers are ideal for larger homes with multiple bathrooms, providing:

• A steady supply of hot water through a separate hot water cylinder
• An output range of 12–30 kW 
• Three models to choose from: Energy System, Easycom3 System, and Ultimate3 System
• Priced between £595 and £850

Model	kW	Warranty	Price (without installation)
Glow-worm Energy System 12 kW Gas Boiler	12	7 years	£700
Glow-worm Energy System 15 kW Gas Boiler	15	7 years	£725
Glow-worm Energy System 18 kW Gas Boiler	18	7 years	£765
Glow-worm Energy System 25 kW Gas Boiler	25	7 years	£785
Glow-worm Energy System 30 kW Gas Boiler	30	7 years	£850
Glow-worm Ultimate3 25kW System Gas Boiler	25	5 years	£725
Glow-worm Easicom3 25s System Gas Boiler	25	3 years	£595

Glow-worm regular boiler range and prices

For larger homes with a cold water feed tank and multiple radiators, Glow-worm regular boilers are a suitable choice. A cold water tank and hot water cylinder are needed.

Glow-worm’s regular boilers consist of:

• Three models: The Energy Regular, Easicom3 Regular, and Ultimate3 Regular
• Outputs ranging from 12-30 kW
• A cost between £685 and £890

Model	kW	Warranty	Price (without installation)
Glow-worm Easicom₃ 25 kW Regular Gas Boiler	25	3 years	£685
Glow-worm Energy Regular 12 kW Gas Boiler	12	7 years	£713
Glow-worm Energy Regular 15 kW Gas Boiler	15	7 years	£780
Glow-worm Energy Regular 18 kW Gas Boiler	18	7 years	£760
Glow-worm Energy Regular 25 kW Gas Boiler	25	7 years	£790
Glow-worm Ultimate3 25 kW Regular Gas Boiler	25	5 years	£725
Glow-worm Energy Regular 30 kW Gas Boiler	30	7 years	£890

Glow-worm Boiler Features

Glow-worm boilers are highly regarded for their energy efficiency, which translates to potential savings on energy bills. In addition, these boilers provide users with various heating controls that allow them to:

• Manage their heating more effectively
• Minimise energy waste
• Lower heating costs

Let’s explore these features in more detail.

Energy efficiency

Glow-worm boilers are energy efficient due to a range of smart features and technologies:

• Condensing technology: Captures and reuses heat from the flue gases that would otherwise be lost. 
• Modulating burners: Adjust the heating output based on the demand. Instead of running at full power all the time, they can operate at lower levels during milder weather.
• High-efficiency pumps: Consume less electricity compared to standard pumps.
• ErP compliance: Rated as Energy-related Products (ErP) A, ensuring that you make an economical choice when selecting a boiler for your home.
• Low NOx emissions: Produce low nitrogen oxide (NOx) emissions, which is better for the environment and indoor air quality.
• Smart controls and programmers: This ensures the boiler only runs when needed, reducing energy waste.

Heating controls

Glow-worm boilers offer the option of utilising the best smart thermostats, such as Google Nest or Hive, along with the Glow-worm Wireless Outdoor Sensor.

The Nest thermostat offers:

• Precision temperature control
• A personalised schedule tailored to your energy habits
• Optimisation of the heating system
• Reduction of energy consumption
• Lower energy bills when used with Glow-worm boilers.

Glow-worm Boiler Installation

When it comes to Glow-worm boiler installation, several factors should be considered:

• The appropriate boiler type and size for your home
• The installation costs
• Selecting a Gas Safe registered engineer

We’ll examine the installation costs of Glow-worm boilers and the significance of opting for a Gas Safe registered engineer.

Installation costs of Glow-worm boilers

The cost to install a Glow-worm boiler starts at around £1,850, which includes:

• The boiler itself
• Installation
• Components
• Guarantees

However, the total cost can vary based on:

• The type of boiler
• Its output
• Your location

These installation costs might not be included in the initial price tag of the boiler. So, make sure to factor them in when budgeting for your new home heating system. And don’t forget, costs can change based on your location and the specifics of your setup!

Glow-worm Boiler Warranty

Glow-worm boilers come with warranties that range from 3 to 10 years, depending on the model. Additionally, the company offers a 10-year guarantee on some of its products.

To qualify for the warranty, you must: 

• Register your boiler through Club Energy 
• Ensure a Glow-worm Power Filter is installed
• Register the warranty within 30 days of installation

It’s crucial to keep your Glow-worm boiler warranty valid, as it provides peace of mind and protection against potential repair costs, offering added security for your investment.

Glow-worm Boiler Servicing

Getting your Glow-worm boiler serviced annually is necessary for maintaining peak performance and efficiency. Regular servicing can yield numerous efficiency benefits, including improved performance, enhanced energy efficiency, cost savings, and improved safety.

Glow-worm vs Their Competitors

When comparing Glow-worm boilers to competitors like Worcester Bosch and Ideal, it’s essential to look at price, features, and performance. Glow-worm boilers are competitively priced, making them an attractive option for different budgets and needs.

In terms of features, Glow-worm stands out for its:

• Energy efficiency
• Quiet operation
• Compatibility with smart controls

We’ll dive into how these aspects compare to those offered by other leading brands, highlighting where Glow-worm shines and what advantages it brings to the table.

Glow-worm prices vs their competitors

The price range for Glow-worm combi boilers typically falls between £540 and £1,234, while the prices for competitors can range from £550 to £1,580. This competitive pricing makes Glow-worm boilers an appealing choice for homeowners seeking an efficient and reliable heating solution.

Glow-worm Boiler Prices vs Competitors	Combi	Regular	System
Glow-worm	£540–£1,234	£685–£890	£595–£850
Baxi	£610–£1,310	£695–£986	£711–£1,032
Worcester Bosch	£730–£2,475	£814–£2,300	£899–£3,509
Valliant	£875–£1,600	£790–£1,500	£590–£1,500
Ideal Heating	£714–£1,354	£712–£2,769	£785–1,264

Glow-worm features vs their competitors

Here’s a feature-by-feature breakdown of Glow-worm boilers against competitors.

Feature	Glow-worm	Worcester Bosch	Valliant	Ideal Heating
Range of kW Outputs	18-35 kW	9-50 kW	12-65 kW	15-40 kW
Warranty Options	3-10 years	5-12 years	2-10 years	2-12 years
Efficiency (ErP Rating)	A (Heating and Hot Water)	A (Heating and Hot Water)	A (Heating and Hot Water)	A (Heating and Hot Water)
Ease of Installation	Moderate	High	High	High
Smart Control Compatibility	Yes (optional accessories required)	Yes (optional accessories required)	Yes (optional accessories required)	Yes (optional accessories required)
Noise Levels	Moderate to Low	Low	Low	Moderate to Low
Hot Water Flow Rate	Up to 14.4 L/min	Up to 20.3 L/min	Up to 20 L/min	Up to 14.5 L/min
Environmental Impact	Low NOx emissions	Low NOx emissions, eco-friendly design	Low NOx emissions, eco-friendly design	Low NOx emissions, eco-friendly design
Popularity & Reputation	Reliable, mid-range option	Premium brand, highly reputable	Premium brand, highly reputable	Reliable, budget to mid-range option

Glow-worm Reviews

Glow-worm reviews highlight the brand’s reputation for reliability, efficiency, and customer satisfaction—with an average rating of 4.6 stars out of 5 on Trustpilot. 

According to Which.co.uk, Glow-worm boilers have a customer score of 74%, while Trustpilot has given them an average review score of 4.6, with most consumers rating them as ‘excellent’.

We’ll delve further into the customer satisfaction ratings and feedback.

Satisfaction rating

Glow-worm boilers generally receive positive customer satisfaction ratings. Customers often praise the performance their boilers, appreciating their efficiency and ease of use.

Furthermore, customers find their boilers equipped with an aluminium heat exchanger to offer great value for money, making them a popular choice among homeowners seeking an economical heating solution.

Get A New Boiler Quote Today

Ready to make your home warmer with a new Glow-worm boiler? Eco Happy has got your back!

Contact us or fill out the quick form on our website to get a free, no-obligation quote. We’ll tailor it to match your budget and heating needs, so you can find the perfect boiler without any stress. Let’s get started on making your home cosy and efficient.

FAQs

Are Glow-worm boilers good?

Yes, Glow-worm boilers are reliable and energy efficient, making them a good choice for homes with multiple bathrooms. Their ErP rating of ‘A’ ensures the highest quality and performance, making them a great option to keep your home warm.

How long will a Glow-worm boiler last?

A Glow-worm boiler can be expected to last between 10 and 15 years from installation.

Are Glow-worm as good as Vaillant?

Glow-worm boilers provide excellent reliability at an affordable price, making them a strong competitor to Vaillant’s highly efficient models.

Final Thoughts

Glow-worm offers a range of boiler types, including combi, system, and regular boilers, catering to various household needs and preferences. With a focus on energy efficiency and potential savings on energy bills, Glow-worm boilers provide reliable performance and customer satisfaction.

If you are a homeowner looking for a new boiler, then Glow-worm is definitely a brand to consider!

When compared to competitors, Glow-worm boilers are competitively priced and boast a range of features that make them a popular choice among homeowners.

By considering factors such as boiler type, energy efficiency, installation costs, warranty, and customer reviews, you can make an informed decision when choosing a Glow-worm boiler for your home heating system.