Expert Boiler Installers

Replacement Boiler Quotes UK

  • Get a replacement boiler quote in minutes
  • Clear, upfront pricing with no hidden costs
  • Next-day installation
  • 0% deposit interest-free finance options available
  • Gas Safe installation
  • Save on your energy bills by installing an energy-efficient boiler
  • Reduce your carbon footprint

WE’RE RATED EXCELLENT ON TRUSTPILOT!

Answer these simple questions and we will find you the BEST prices.

How many bathrooms do you have?
How many Bedrooms do you have?

It only takes 30 seconds 100% free and with no obligation

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How We Work

STEP 1

Fill Out a
 Quick Form

Tell us a bit about your home or business by answering a few simple questions.

STEP 2

Pick Your
 Boiler

Choose from our range of energy-efficient boilers tailored to your needs.

STEP 3

Get Your
 Quote

Receive a free, no-obligation quote based on your chosen boiler and installation requirements.

Answer these simple questions and we will find you the BEST prices.

How many bathrooms do you have?
How many Bedrooms do you have?

It only takes 30 seconds 100% free and with no obligation

Best Rated Boilers On The Market

Upgrading to a high-quality boiler ensures better performance, increased efficiency, and long-term savings. The latest models are designed to provide reliable heating while reducing energy consumption, making them an excellent investment for your home. With advanced technology and eco-friendly features, modern boilers not only keep your home warm but also lower your carbon footprint.

Energy Efficient Boilers

Energy-efficient boilers use advanced technology to maximise heat output while minimising energy waste. Upgrading to a modern boiler improves performance, reduces carbon emissions, and lowers your heating costs. With higher efficiency ratings, these boilers ensure your home stays warm while using less fuel, making them an eco-friendly and cost-effective choice.

Get Your Quote

Reduce Your Energy Bills

Upgrading to a new boiler can significantly lower your energy bills. Modern boilers are designed to optimize fuel usage, ensuring your home stays warm without excessive energy consumption. With improved performance and smarter energy use, a new boiler helps you cut costs while providing reliable, consistent heating throughout the year.

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Improved Home Comfort

A new boiler enhances home comfort by providing consistent heat throughout your space. With precise temperature control and faster response times, you’ll experience a more reliable and even warmth. Say goodbye to cold spots and uneven heating, and enjoy a cozy, comfortable environment year-round with an upgraded boiler.

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Leading Boiler Brands We Work With

Vaillant is a leading boiler brand known for its reliability, energy efficiency, and innovative technology. With a strong reputation for high-quality performance, Vaillant boilers provide consistent heating and hot water solutions for homes of all sizes. Trusted by homeowners and professionals alike, Vaillant ensures long-lasting comfort and saving

Worcester Bosch is a top choice for homeowners seeking reliable, energy-efficient boilers. Renowned for their durability and excellent performance, Worcester Bosch boilers deliver consistent heating and hot water. With a focus on innovation and customer satisfaction, they are trusted for providing high-quality, long-lasting solutions that reduce energy costs.

Viessmann is a leading brand recognised for its cutting-edge technology and exceptional energy efficiency. Known for producing durable and high-performance boilers, Viessmann ensures reliable heating and hot water solutions. With a commitment to sustainability and innovation, Viessmann provides homeowners with long-term comfort and cost-effective energy use.
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Why Choose Us?

Gas Safe registered

At Eco Happy, gas boilers are only installed and worked on by Gas Safe engineers, ensuring safety and legal compliance.

Fast response times

We are known for our speedy response times. We will never leave you waiting or wondering what’s next.

Qualified and reliable

You’ll only ever deal with qualified and reliable professionals who get the job done right when working with Eco Happy.

Customer Service

Customer satisfaction is what we’ve built our business on, so you can expect unwavering service excellence every step of the way.
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Our clients have
good things to say

Quite a few good things, in fact.

Satisfied customer

The new boiler did not turn up the day before installation as arranged. However, Jack, the Gas Safe engineer, arrived with our new boiler before 9am. The installation went according to plan and Jack was done at 15.15. I was kept informed throughout and received all the manuals and verbal instructions on the basic user controls. All of the old boiler fittings and parts were taken away and the house was left clean. I have since received the warranty certificate and gas safety certificate via email.

Eco Happy fitted a boiler 2 days…

We ordered our boiler just before Xmas and Eco Happy came and installed it within 2 days. The installer overcame a challenging problem with the one wall and really went out of his way to install the boiler and get it working. He worked continuously from 9am to just after 7am. Excellent service.

Very polite

The engineer was very polite and explained everything I didn’t understand. I felt comfortable having him in my house, he was quickly able to repair the problem.

Excellent service and value for money

Eco Happy makes it a dream to ensure my boiler is safe and working efficiently. Polite and friendly service and the technicians are knowledgeable and kept me up to date on my service and repair. Would definitely recommend them as they’re good value for money too.

Great Service from start to finish

Impressed with service from getting a quote online to installation. The boiler engineer was prompt and very professional. Pleased with the whole experience.

SHOWING OUR 4 & 5 STAR REVIEWS

Frequently Asked Questions

You can get a free, no-obligation boiler quote from us in just a few minutes. It’s quick, simple, and gives you a clear idea of the costs involved with no hidden fees.
We work with some of the UK’s most trusted and energy-efficient boiler brands, including Vaillant, Worcester Bosch, and Viessmann.
Yes, we offer next-day installation across the UK, subject to availability. Once you’ve accepted your quote, we’ll get your new boiler fitted as quickly as possible.
Yes, all of our installers are fully Gas Safe registered, so you can have complete confidence in the safety and quality of your boiler installation.

Yes – installing a modern, energy-efficient boiler can significantly cut your energy bills and help reduce your carbon footprint.

Depending on your eligibility, you may be able to receive a free or subsidised boiler through the ECO4 (Energy Company Obligation) scheme. We can help guide you through the process.
If you don’t have the funds to pay upfront, financing your boiler can be a smart way to spread the cost and get the heating upgrade you need without the financial strain.

Quick info

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Viessmann F4 Boiler Fault Code

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