
Navien Boilers
As the world's fourth-largest gas boiler manufacturer, Navien has built a global reputation for designing reliable, energy-efficient, and easy-to-install boilers since 1978.
Navien is at the forefront of condensing technology. Their boilers are meticulously built in the world's largest single-site manufacturing plant for heating products. With over 40 years of experience, Navien helps Scottish homeowners reduce their energy bills and carbon emissions without compromising on comfort.
World's 4th largest gas boiler manufacturer
Trusted by thousands of Scottish homeowners for reliability and performance.
Class-leading stainless steel heat exchangers
Trusted by thousands of Scottish homeowners for reliability and performance.
Advanced robotic QC (55 checks per second)
Trusted by thousands of Scottish homeowners for reliability and performance.
Available Navien Models

NCB300-28

NCB300-30

NCB300-37

NCB700-54

NCB500-18S

NCB500-24S

NCB500-30S

LCB700-21 (Internal)

LCB700-21 (External)

LCB700-28 (Internal)

LCB700-28 (External)

LCB700-36 (Internal)

LCB700-36 (External)

LCB700-21S (Internal)

LCB700-21S (External)

LCB700-28S (Internal)

LCB700-28S (External)

LCB700-36S (Internal)

LCB700-36S (External)
Your Installation Process
From order to a warm home in 5 expert steps.

Drain & Disconnect
Old system is safely drained and removed.

System Flush
Radiators cleared of damaging iron oxide sludge.

New Installation
Precision mounting and connection of your unit.

Test & Commission
Gas safety checks and controls setup.

Warranty Activation
We register your warranty for complete cover.
The Heritage of Navien
Since 1978, Navien has been a pioneer in high-efficiency heating. In the UK, they have quickly become an established leader, especially with their NCB range which was designed specifically with installers and homeowners in mind. Their advanced robotic quality control system performs 55 inspections every second during manufacture.
Why Professionals Trust Navien
- ✓World's 4th largest gas boiler manufacturer
- ✓Class-leading stainless steel heat exchangers
- ✓Advanced robotic QC (55 checks per second)
- ✓High performance in low-pressure environments
- ✓Compact and lightweight for easy installation
Navien Frequently Asked Questions
Are Navien boilers reliable?
Yes, Navien boilers are exceptionally reliable. They perform over 250 manual inspections in addition to their robotic QC system to ensure every unit meets the highest standards before leaving the factory.
How long do Navien boilers last?
With regular annual servicing, a Navien boiler can last up to 20 years. They come with robust manufacturer warranties ranging from 5 to 12 years.
Get Your Fixed Price Navien Quote
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