Navien Boilers: Installed by a name You Can Trust
Get a fixed online price for an advanced Navien boiler, built with a durable stainless steel heat exchanger, installed as soon as tomorrow.
Get My Fixed PriceWhy Choose a Navien Boiler?
Learn why Navien is a leading choice for UK homeowners, trusted for its reliability, performance, and innovation.
Global Technology Leader
Choose a boiler from one of the world's largest heating innovators, now a top choice in the UK.
Stainless Steel Durability
Features advanced stainless steel components for superior durability and performance.
"Smart Home Ready" Features
Many models come with built-in smart controls for immediate energy savings and convenience.
Premium Tech at a Great Price
Get the advanced features and build quality of a premium brand at a more accessible price.
Find The Perfect Navien Model For Your Home
Every home is different. Our smart survey asks a few simple questions to calculate your home's needs and recommends the perfect Navien boiler from their range, guaranteeing the right fit and performance.
Start the 60-Second SurveyYour Hassle-Free Installation Process
It really is as simple as 1, 2, 3.
Step one
Click
Take our quick survey and answer a few simple questions about your home, and we'll guide you to the best boiler options suited to your needs.
Step two
Pick
Browse through our selection of boilers based on your provided answers. Select the one that fits your home best.
Step three
We fit
Sit back and relax as our team of Gas Safe engineers, known as Warminstallers, fit your boiler and leave your home warm and cosy.
The WarmZilla Guarantee for Your Navien Boiler
Over 10,000 happy customers and rated 'Excellent' on Trustpilot.
Ordered a boiler Thursday evening. I was contacted Friday night by the engineer to let me know what time he'd arrive etc. The fitter arrived within the time he had stated and was quick and efficient.
I had a great experience with warmzilla the staff are experience and very efficient the engineer who did the job was great. I think my overall experience was great and we’ll introduce them to anybody to use them.
AbayomiFrom enquiry and conversations with the team, whole process progressed in a straightforward stress free way. Day of fitting, my engineer Jay did a great job and dealt with unexpected issues without any fuss.
DeeNavien Boiler FAQs
Your questions, answered.
Navien boilers stand out for their advanced technology and use of high-quality stainless steel for their heat exchangers, which offers greater durability against corrosion compared to aluminium. The South Korean brand is a global leader known for innovation and efficiency.
Yes, many Navien boilers are compatible with smart technology. For example, their NCB700 model has integrated Wi-Fi, allowing you to control your heating from your smartphone for enhanced comfort and energy savings.
Navien is rapidly gaining an excellent reputation in the UK. They offer the build quality and technology of a premium brand but at a more competitive price point, backed by excellent warranties, making them a very smart choice for modern homes.