13 Best Boiler Installers In The UK 2025

Last Updated on February 10, 2025

If you’re in the UK and looking for a reliable, top-rated boiler installation service, you’re likely seeking a company that offers great value, expert advice, and high-quality customer care. With so many options available, it can be hard to know which one to choose.

To help you make the right decision, we’ve compiled a list of the best boiler installers in the UK, based on Trustpilot reviews, customer satisfaction, and service offerings.

13 Best Boiler Installation Companies In The UK

Whether you’re replacing your old boiler, upgrading your system, or installing a new one, these companies are widely regarded as some of the best in the industry.

1. British Gas

Trustpilot Rating: 4.2/5 (Based on 266,171+ reviews)

British Gas is one of the most well-known names in the UK heating industry. They offer a wide range of boiler installation services, including boiler repairs, maintenance, and even smart home heating solutions.

As a large, nationwide provider, British Gas benefits from a network of expert engineers who are available for installations, ensuring fast and efficient service.

Why Choose British Gas:

• Long-established reputation for reliability.
• 24/7 customer service support.
• Expert engineers across the UK.
• Gas Safe registered engineers.

2. Boiler Central

Trustpilot Rating: 4.7/5 (Based on 5,625+ reviews)

Boiler Central is quickly emerging as one of the most popular and trusted names in the UK boiler installation market. Their focus on transparency, customer satisfaction, and speed sets them apart from the competition. With a fully digitalised service, Boiler Central provides instant online quotes, making the process quick and easy.

Whether you’re in need of a full boiler replacement or just an upgrade, Boiler Central delivers exceptional service at highly competitive prices.

Why Choose Boiler Central:

• Gas Safe Registered Engineers: All engineers are Gas Safe registered for safety and compliance.
• Fast Installations: Most installations are completed within a few days.
• Instant Online Quotes: Get an accurate, fixed price with no hidden fees.
• Top Brands: Works with reliable brands like Ideal, Worcester Bosch, and Vaillant.
• Customer Satisfaction: Highly rated for seamless communication and quality service.
• Flexible Financing: Offers affordable payment plans for installations.

3. Green Central

Trustpilot Rating: 4.8/5 (Based on 400+ reviews)

Green Central specializes in providing high-efficiency, eco-friendly boilers. They focus on reducing your energy costs by offering energy-efficient boiler installations and working with some of the best brands in the industry. Their emphasis on green energy solutions has earned them praise from environmentally conscious consumers.

Why Choose Green Central:

• Eco-friendly, energy-efficient boiler options.
• Strong focus on customer care and service.
• Excellent value with affordable installation packages.

4. HomeServe

Trustpilot Rating: 4.5/5 (Based on 140,000+ reviews)

HomeServe is a trusted name in the UK when it comes to home services, including boiler installation. Their team of Gas Safe engineers provides professional installation and repair services for a variety of boiler types. HomeServe also offers maintenance plans and warranties to keep your boiler running smoothly for years.

Why Choose HomeServe:

• Trusted nationwide brand with excellent customer service.
• Offers maintenance plans and extended warranties.
• Affordable options for boiler replacement.

5. Heatable

Trustpilot Rating: 4.8/5 (Based on 11,000+ reviews)

Heatable has quickly built a strong reputation for offering affordable, high-quality boiler installations with a simple and transparent process. Their online quoting system allows you to get an accurate price in minutes, and they offer installations within just a few days.

Why Choose Heatable:

• Fast and efficient installation service.
• Clear and transparent pricing.
• 5-star customer reviews for their smooth, hassle-free experience.

6. Boiler Plan

Trustpilot Rating: 4.0/5 (Based on 960+ reviews)

Boiler Plan is one of the UK’s most trusted independent boiler installation companies. They pride themselves on offering affordable, efficient installations backed by excellent customer service. With a wide selection of boilers from leading brands, they offer full installation and service plans.

Why Choose Boiler Plan:

• No hidden fees, competitive pricing.
• Excellent post-installation support and warranty options.
• Trustworthy and highly rated for customer satisfaction.

7. BOXT

Trustpilot Rating: 4.8/5 (Based on 38,000+ reviews)

BOXT offers a modern, innovative approach to boiler installation with their simple, no-fuss online booking system. They allow you to select your new boiler and get a quote in minutes, with no sales pressure. They provide quick and easy installations with a high level of customer satisfaction.

Why Choose BOXT:

• Online booking system for an easy process.
• Very high customer satisfaction and positive reviews.
• No pushy sales tactics—just great service and quality.

8. Clever Energy Boilers

Trustpilot Rating: 4.6/5 (Based on 900+ reviews)

Clever Energy Boilers is an independent, family-run business offering cost-effective, professional boiler installations. They’re known for their no-pressure sales approach and a strong focus on customer care, making them a top choice for many homeowners across the UK.

Why Choose Clever Energy Boilers:

• No pressure sales approach.
• Affordable, energy-efficient boiler installations.
• Highly rated for customer service and value.

9. E.on

Trustpilot Rating: 4.5/5 (Based on 60,000+ reviews)

E.on provides energy-efficient boiler installation services as part of their broader energy offerings. With a trusted name in energy provision, E.on offers high-quality, energy-efficient boilers from leading brands and is committed to providing excellent customer service throughout the installation process.

Why Choose E.on:

• Trusted energy provider with a focus on efficiency.
• Flexible financing options available.
• Offers both installation and ongoing maintenance services.

10. iHeat

Trustpilot Rating: 4.8/5 (Based on 8,000+ reviews)

iHeat offers a modern approach to boiler installation by providing upfront online quotes with no hidden costs. They work with a range of top-quality brands like Worcester Bosch, Vaillant, and Ideal, and provide fast installations with no sales pressure.

Why Choose iHeat:

• Quick and easy online boiler quotes.
• Transparent pricing with no hidden fees.
• Highly rated for quality and customer service.

11. Swale Heating

Trustpilot Rating: 4.2/5 (Based on 8,000+ reviews)

Swale Heating is a family-owned business with over 40 years of experience in the industry. They provide expert boiler installation services across the South East of England. Swale Heating is known for its strong customer care and high-quality workmanship.

Why Choose Swale Heating:

• 40+ years of industry experience.
• High customer satisfaction with skilled engineers.
• Offers excellent warranties and aftercare services.

12. Warmzilla

Trustpilot Rating: 4.7/5 (Based on 1,700+ reviews)

Warmzilla is a fast-growing boiler installation company that has earned top marks for its straightforward and hassle-free installation process. Their simple online quote system makes it easy for customers to get an accurate price and schedule their installation without any hidden surprises.

Why Choose Warmzilla:

• Simple online quote and booking system.
• Fast installations with no hidden charges.
• Excellent reviews for quick, reliable service.

13. Glow Green

Trustpilot Rating: 4.6/5 (Based on 10,000+ reviews)

Glow Green provides affordable, reliable boiler installations with a focus on energy efficiency. Their team of experts ensures that your new boiler will be installed to the highest standard, and they also offer a range of maintenance plans to keep your system running smoothly.

Why Choose Glow Green:

• Energy-efficient boiler options.
• Focus on providing affordable solutions.
• Strong customer feedback for reliability and quality.

How We Chose the Best Boiler Installation Companies in the UK

Choosing the right boiler installer is crucial for ensuring a safe, efficient, and long-lasting heating system. To create this list of the best boiler installation companies in the UK, we considered several important factors that contribute to a reliable and quality service. Here’s how we selected the top companies:

Customer Reviews and Ratings

We prioritised companies with consistently high ratings on review platforms like Trustpilot. Real customer feedback gives us insight into the reliability, professionalism, and overall service quality provided by each company.

Gas Safe Accreditation

All the companies listed are Gas Safe registered, ensuring that their engineers are qualified to perform safe and compliant installations. This is essential for maintaining both safety standards and peace of mind for homeowners.

Range of Services

We considered companies that offer a variety of services, including boiler installation, repair, and maintenance, as well as flexible financing options to suit different budgets.

Speed and Efficiency

The speed at which a company can complete an installation is critical, especially for those who need a boiler urgently. We focused on companies known for fast and efficient service without compromising on quality.

Reputation in the Industry

We chose companies with a solid reputation in the boiler installation market, built through years of experience and a commitment to customer satisfaction.

Top Boiler Brands

Companies that partner with trusted, high-quality boiler brands such as Ideal, Worcester Bosch, and Vaillant were prioritized. These brands are known for their energy efficiency, durability, and reliability.

By evaluating these key criteria, we’ve compiled a list of boiler installation companies that consistently deliver exceptional service to UK homeowners. Each company on this list has proven to be a top contender based on customer satisfaction, safety standards, and overall quality of service.

Final Thoughts

When choosing the best boiler installer in the UK, it’s important to consider a range of factors, from the quality of service and customer feedback to pricing and warranty options. Based on Trustpilot reviews, the companies listed above are widely regarded as the best in the industry, offering high-quality, reliable boiler installations and outstanding customer care.

Whether you’re looking for the convenience of an online quote system, affordable options, or the peace of mind of working with an established brand, these companies are sure to provide a solution that meets your needs.

Make sure to compare quotes, check customer reviews, and assess the specific services offered by each company to make the best decision for your home heating needs.