04th December, 2023
Coming soon
Coming soon
Coming soon
Last updated: 11th July, 2023
ReviewsNavien boilers are extremely efficient without breaking the bank in terms of unit boiler price. Here, we are going to discuss some of the top boilers from their collection, reviewing key features and price ranges.
KyungDong Navien was founded in 1978, South Korea, and has since gone on to become global titans of the design and exportation of HVAC (Heating, Ventilation and Air Conditioning) with massive custom in Europe, China, and the UK.
Get a quote in 60 seconds, fitted as fast as next day!
0% APR finance available.
The main Navien manufacturing plant in South Korea is actually the world’s largest, and has an annual turnover of nearly 2million boilers per year.
Check out our detailed review of the 2023 Navien NCB 300 boiler!
With an outstanding performance in terms of efficiency, and a wide availability across four kW outputs, the NCB CE is also water resistant to a rating of IXP5 and gives off very low NOx emissions.
Available outputs | 24kW, 28kW, 34kW, 40kW |
Energy efficiency | A - 94% |
Flow rate L/min | 9.9, 11.5, 13.9, 16.4 |
Dimensions | 440 (w) x 358 (d) x 695mm (h) - 24/28 440 (w) x 408 (d) x 695mm (h) - 34/40 |
Extended venting, upto 20m allowing flexible installation
Stainless steel heat exchangers offering premium durability and performance
3 Zone ready with Smart Plus control pack
Smartphone compatible allowing for remote adjustment
Smart weather forecasting and Geofencing
Price Range (not inc. installation) - £740 - £980
For a more detailed review on the Navien NCB 300, check out our 2023 model guide!
The Most Powerful Navien combi, the NCB700 is capable of delivering hot water to three bathrooms at once, a task ordinarily beyond the standard parameters of a combination boiler. The intelligent recirculation of water enables this boiler to reduce water waste at the same time as offering high flow rates.
Available outputs | 42kW, 54kW |
Energy efficiency | A - 94% |
Flow rate L/min | 20.1, 25.8 |
Dimensions | 440 (w) x 335 (d) x 695mm (h) |
Hydrogen ready
Industry leading turndown ratio of 15:1 for premium efficiency
Integrated DHW recirculation pump
NaviCirc for simple set up of hot water return system
Price Range (not inc. installation) - £1,379 - £1,763
This compact Navien combi provides an excellent supply of water and a range of flexible installation options. Dubbed the perfect ‘all rounder’ by Navien, the NCB500 blends state of the art function with unrivalled reliability.
Available outputs | 37kW, 41kW |
Energy efficiency | A - 93% |
Flow rate L/min | 18, 20 |
Dimensions | 440 (w) x 283 (d) x 680mm (h) |
Easy to use built in digital display panel
Industry leading flow adjustment valve and auto mixing valve
Compact dimensions for easy install in a standard kitchen cupboard
Hydrogen ready
Price Range (not inc. installation) - £1,150 - £1,234
The Navien NCB-CE System boiler has four kW output sizes, ensuring you never have to compromise your home’s heating and is as equally impressive as its combi namesake. The NCB System features many of the same talking points as the combi model including A rated efficiency and smart weather forecasting.
Available outputs | 20kW, 24kW, 28kW, 33kW |
Energy efficiency | A - 94% |
Dimensions | 440 (w) x 358 (d) x 695mm (h) - 20/24 440 (w) x 408 (d) x 695mm (h) - 28/33 |
Smartphone compatible to allow remote adjustment
IPX5 water resistance
Smart weather forecasting and Geofencing to maximise efficiency and functionality
Price Range (not inc. installation) - £719 - £942
At iHeat we stock a massive range of sleek new combi and system boilers, designed to save space and perform at the highest level. With sizes to fit any property, now might be the perfect time to replace an old boiler and upgrade to an efficient combi or powerful system.
Get a free, instant, fixed price quote on our range, with next day Gas Safe installation available, getting a new boiler has never been so easy!
If you would like to read more about the brand range, check out our detailed review of the Navien NCB 300 2023 boiler.
04th December, 2023
Any time your boiler displays an error code, it can be a huge stressor, especially if it degrades the performance of your heating system, ESPECIALLY i...
04th December, 2023
Unveiling the Power of Megaflow: Transforming Your Home's Heating and Hot Water Experience
04th December, 2023
The cost of a new boiler in 2023 depends on the installation type and many different variable costs. On average the cost of a new boiler installed can...