D.E.S. Gas Safe Solutions
Trusted Heating Innovation for Over 140 Years

Trusted Heating Innovation for Over 140 Years

For more than a century, Vaillant has been at the forefront of heating innovation, setting industry standards since the early 20th century. As pioneers of the modern combi boiler over 35 years ago, they continue to lead the way in efficient, reliable, and future-ready heating solutions.

Today, Vaillant is recognised for delivering high-performance boilers that combine quality engineering with outstanding efficiency. Their commitment to innovation and customer care ensures homeowners benefit from dependable heating systems built to last.

Why Choose Vaillant

Over 140 Years of Expertise

A long-standing heritage of engineering excellence and continuous innovation in heating technology.

Pioneers of the Combi Boiler

Invented over 35 years ago, shaping the way modern homes are heated today.

High Efficiency Performance

Designed to reduce energy usage while maintaining powerful, reliable heating.

Trusted Quality & Reliability

Built to deliver long-lasting performance with minimal maintenance.

Commitment to Innovation

Constantly developing new technologies to improve comfort, control, and efficiency.

Dedicated Customer Support

Focused on providing strong aftercare and service support for homeowners.

What’s the Right Boiler for Your Home?

Choosing the right boiler depends on your home size, heating demand, and hot water usage. Whether you need a compact solution, a system for higher demand, or a traditional setup, there’s an Ideal option designed to deliver reliable comfort and efficiency.

Below is a simple guide to help you understand the differences between Combi, System, and Regular boilers so you can find the best fit for your home.

COMBI BOILERS

Combi boilers are better suited for homes with just one bathroom. With a combi boiler, hot water is generated only when needed and doesn't require a storage tank. They're compact in size, so perfectly suited for smaller homes.

SYSTEM BOILERS

System boilers are ideal for homes with more than one bathroom. They deliver a constant supply of hot water, which ideal for homes that demand lots of hot water. Please note that system boilers require a water cylinder to store hot water.

REGULAR (OPEN VENT BOILER)

Regular (open vent) boilers are suited for home with multiple bathrooms. They are ideal in homes where lots of hot water is used at the same time in different rooms. These types of boilers are compaitble with solar water and heat pumps.

Benefits of Choosing a Vaillant Advance Installer

We are a Vaillant Advance Installer, which means that we are able to install Vaillant boilers and controls to the highest standard. As well as this, we are able to offer our customers extended manufacturer-backed warranties on Vaillant boilers we install of up to 10 years.

No two installations are the same, which is why we are more than happy to provide you with professional advice and free quotes. We'll be here to help you find the Vaillant boiler that perfectly suits your heating and hot water requirements.

"We want to make sure the Vaillant boiler you choose is a perfect fit for you and your home. That’s why we created the Vaillant Advance Installer scheme, a network of fully trained, independent installers." - Vaillant

Everything You Get with Our Installation Service

Vaillant Product Expertise

Our engineers have in-depth knowledge of Vaillant systems, ensuring your boiler is correctly specified, installed, and optimised for maximum efficiency and reliability.

Free, No-Obligation Quote

Receive a clear, upfront quote at no cost. We’ll assess your home and provide honest recommendations with no pressure to commit.

Extended Warranty Options (5–10 Years)

Enjoy added confidence with flexible warranty packages ranging from 5 to 10 years, helping protect your investment long term.

Vaillant Approved Standards

We meet Vaillant’s strict installation requirements, ensuring your system is fitted to manufacturer-approved standards for quality and performance.

Gas Safe Registered Engineers

Your installation is carried out by fully qualified Gas Safe registered engineers, ensuring your home is always in safe hands.

Aftercare & Ongoing Support

Our support doesn’t stop after installation. We’re here to help with servicing advice, warranty support, and any questions to keep your Vaillant system running smoothly year after year.

Find Your Vaillant Boiler

Get a free, no-obligation recommendation from our experts.

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