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Navien Boiler Prices, Reviews & Compare

Navien boilers first arrived in the UK in 2015, after becoming the first company in Asia to design and manufacture highly efficient condensing boilers.

Founded in Asia in 1978, as KyungDong Navien, they soon began leading the way in the condensing boiler market across the continent and their boiler range is now available in the UK.

If you’re looking to replace your current boiler with a highly-efficient Navien boiler that could help to lower your energy bills, you can get up to 3 free boiler replacement quotes from Gas Safe engineers near you.

Navien boiler types: CombiSystem

The range of Naien boilers are available in the following fuel types: Gas

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Navien Combi Boilers & Prices

Navien’s range of NCB Combi boilers are incredibly powerful, and unlike most Combi boilers available on the market, can meet the heating and hot water demands of larger homes. Most Combi boilers are able to provide hot water to a single tap or shower, whereas Navien Combi boilers are able to power up to 3 showers with hot water all at the same time.

Benefits of a Navien NCB Combi Boiler

  • Can be installed just about anywhere around a property, thanks to the available flue lengths
  • Quick response to demand for hot water
  • Touchscreen control delivers easy-to-use controls
  • High efficiency ratings of up to 93%
  • Quiet operation
  • In addition to all of these benefits, that you’ll be able to enjoy as standard, there’s an optional outdoor weather sensor, which means that the unit will be able to regulate the indoor heating temperature depending on the conditions outside.

    Compare the Costs of Navien Combi Boilers

    Navien NCB Combi boilers are available in a range of outputs, meaning there’s a model for most homes, whether you have a fairly low or high demand for heating and hot water. View the complete range of Navien Combi gas boiler prices using the table below.

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    Navien System Boilers & Prices

    Endorsed by the Energy Saving Trust, Navien System boilers are an efficient and reliable way of meeting the heating and hot water demand of your home.

    If you’re looking for a boiler that can make your home more environmentally friendly, while also help to lower your energy bills than a Navien System boiler is the perfect choice. For increased efficiency, Navien boilers can be paired with renewable heating systems, such as solar thermal.

    As a wall-mounted, compact unit, the Navien System boilers are quick and simple to install and makes future servicing much easier for the heating engineer.

    Benefits of a Navien NCB System Boiler

    • Connect boiler to a smartphone for complete control
    • Supplied with an LPG conversion kit
    • Compact size of 695mm x 440mm x 358mm (HxWxD)
    • Flexible flue length of up to 110m
    • Compatible with solar thermal

    Compare the Costs of Navien System Boilers

    With a range of System boilers available in different outputs, there’s a Navien boiler suitable for almost any home. View the complete range of Navien System gas boiler prices below.

    Navien Oil Boilers

    Navien’s range of LCB700 oil boilers bring revolutionary blue flame technology to the oil boiler industry which guarantees higher efficiency and lower NOx emissions than oil boilers with a yellow flame.

    An efficiency rating of 93% means that for every £1 you spend on heating your home, you’ll be getting 93p worth of heat. That’s a large saving when you consider that older oil boilers might only provide 65p worth of heat for every £1. Thanks to being highly efficient and helping to keep energy bills down, LCB700 boilers have an ErP A+ rating.

    As well as being highly efficient, LCB700 boilers offer the industry’s lowest NOx emissions (57mg/kWh) making it more economical and kinder on the planet than older units.

    LCB700 boilers have a range of options to make them suitable for just about any home. From a choice of internal or external installation to venting of up to 110m (Big Ben is 96m), there’s no shortage of choice.

    There’s no need for a separate thermostat with an LCB700 oil boiler as the unit itself includes an intuitive panel that offers a text-driven menu, zone control, visibility of energy consumption and how much that is costing you, as well as domestic hot water control.

    Navien Boiler Service

    To keep your Navien boiler running safely and efficiently, as well as keeping the warranty valid, you will need to arrange an annual boiler service by a fully-qualified heating engineer.

    A Navien boiler service will also bring any small issues to the attention of a professional before it’s able to develop into something much worse. Helping you to avoid a large repair bill further down the line.

    Navien Boiler Warranty

    The warranty should be an important part of your considerations when comparing replacement boilers. It’s your insurance policy should a fault develop within the unit and gives you the peace of mind that you’re covered by the manufacturer.

    All boilers come with a standard warranty, usually lasting between 1-10 years, with the option to extend in some cases. It’s important to check the terms and conditions of the warranty so that you know what the manufacturer covers, if it can become invalid and how long you’re covered for.

    One thing you need to remember to arrange, in order to keep the warranty valid, is an annual boiler service by a Gas Safe engineer. take a look at Navien Boiler Warranty.

    Navien Boiler Repair Advice

    Even the most reliable boilers can develop faults, especially as they age. There are some faults you can repair yourself but the majority should only be repaired by a Gas Safe engineer.

    Need a one-off boiler repair?


    Get an emergency boiler repair quote now.


    Navien Boiler Error Codes

    Should there be an issue with your Navien boiler, the digital screen will display a code to help you identify the cause of the problem. This could range from something simple that you could resolve yourself, such as low boiler pressure, right up to something technical that requires the expertise of a fully-qualified heating engineer. Take a look at our comprehensive list of Navien boiler error codes to help you find out what they mean.

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