News & Blog

In an unpredictable energy landscape, installers need more than just reliable boilers, they need flexibility. Discover how dual-fuel combi boilers like the Navien NCB300 help reduce delays, simplify installations and keep projects moving.

This guide explains what installers need to know about registering a boiler warranty correctly, from key deadlines and required information to common mistakes and ongoing servicing responsibilities. Learn how proper warranty registration protects the homeowner, supports your reputation, and helps maximise the value of every Navien installation.

Most boilers in the UK last around 10–15 years, but lifespan depends heavily on installation quality, servicing, and system conditions. This guide helps installers identify the signs of boiler decline, advise customers on when to repair or replace, and explain how warranties, maintenance, and proactive servicing can extend long-term performance.

Winter places heavy demand on every boiler, but the real impact often shows afterwards. From an installer’s perspective, post-heating season servicing is the ideal time to identify hidden issues, improve efficiency and support customers proactively. This guide outlines how to approach the conversation, what to look for, and how to turn routine maintenance into long-term…

Thursday 30th April 2026, is NaviDay – also known as our birthday! Marking another year of our business in the UK, it’s the perfect time to recognise the people who make it all possible; our team, our partners, and our customers. Please note that our main office will be closed for the day as we…

When the temperature drops, your boiler suddenly has a lot more work to do. Unfortunately, winter is when breakdowns are most likely to happen, usually at the exact moment you’re relying on heating and hot water the most. If you’ve ever asked yourself “why boilers break down in cold weather?” or found yourself searching for…

Norway leads Europe in heat pump adoption, whilst the UK currently ranks last for sales in the heat pump market, according to recent European market data. At Navien UK, we believe there are important lessons to help accelerate the transition to renewable heating solutions and build a more energy-efficient future. Norway’s Heat Pump Leadership: A…

Our Navien UK Call Centre will be operating revised hours throughout the festive period to ensure we continue to support our customers during this busy time of year. While our team will still be on hand to help with your enquiries, availability will differ from our standard schedule. Please note that these adjusted hours apply…

As UK homes continue to evolve, so do your customers’ expectations for comfort, efficiency and convenience – especially when it comes to hot water. In this article, Graham Parkes, Commercial Director at Navien UK, explores how installers can meet rising hot water demands in modern homes – and why next-generation combis may be the key.…

Navien UK has launched an exclusive cashback promotion that’s transforming the oil boiler installation market. The LCB700 Blue Flame range represents a significant breakthrough as the first oil boiler in the UK market to achieve an A+ energy rating, while installers can now earn £100 for every unit they register. What Makes the Navien LCB700…

If you’ve just had a Navien NCB500 ON installed, you’re probably eager to get it up and running. This compact powerhouse is designed with installers in mind, offering hassle-free setup through its intelligent digital interface. The good news? The setup process is surprisingly straightforward, thanks to Navien’s clever Setup Wizard. The NCB500 ON isn’t just…

Looking for a heating solution that combines power, efficiency, and smart technology in one compact package? We’re thrilled to introduce our latest innovation in heating technology: the NCB500 System Boiler. Designed for the modern homeowner who refuses to compromise on performance, efficiency, or convenience, the NCB500 delivers reliable, high-performance heating while being compact enough to…