You'll get exceptional heating performance and energy savings with the Navien NFB-H Series boiler, which delivers up to 95% AFUE efficiency while costing between £7,000-£12,000 installed. This space-saving wall-mounted unit includes built-in features like a modulating burner, pump, and expansion tank, plus Wi-Fi monitoring capabilities. With its 15-year heat exchanger warranty, it's worth exploring what makes this boiler stand out from competitors.
Key Takeaways
- Navien NFB-H Series boilers range from £3,200 to £4,200, with total installation costs between £7,000 and £12,000.
- Models offer 55,000 to 210,000 BTU/h capacity with up to 95% AFUE efficiency rating and Energy Star certification.
- Features include Wi-Fi connectivity, built-in pump, expansion tank, and advanced stainless steel heat exchanger for superior durability.
- Comprehensive warranty covers 15 years on heat exchanger, 5 years on parts for residential use.
- Superior 15:1 turndown ratio and low NOx emissions outperform competitors like Worcester-Bosch and Vaillant.
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Navien NFB-H Series Heat-Only Boiler Overview
The Navien NFB-H Series represents a versatile line of heat-only boilers that'll meet practically any residential or light commercial heating need.
With four models ranging from 55,000 to 210,000 BTU/h, you're certain to find one that's perfect for your property.
You'll love how these wall-mounted units save valuable floor space while delivering impressive performance.
The advanced stainless steel heat exchanger and dual Venturi system guarantee peak efficiency and precise temperature control.
Installation's a breeze thanks to the built-in Setup Wizard and flexible venting options.
You can use 2" PVC pipe for runs up to 65 feet or 3" PVC for up to 150 feet.
Plus, with Wi-Fi compatibility, you'll be able to monitor and control your heating system right from your smartphone.
These boilers even play well together – you can link up to 16 units in a cascade system.
Our Navien boilers guide provides detailed maintenance tips to help extend your unit's lifespan.
Navien NFB-H Series Heat-Only Boiler Performance and Efficiency
Performance powerhouses like the Navien NFB-H Series boilers deliver impressive efficiency that'll make both your wallet and the environment happy. With up to 95% AFUE ratings and Energy Star certification, these units minimise wasted energy while maximising heat output.
You'll appreciate the industry-leading 15:1 turndown ratio, which means your boiler can operate at very low inputs (just 13,300 BTU/h) when you don't need full power. This flexibility prevents energy-wasting frequent cycling.
| Feature | Benefit |
|---|---|
| 95% AFUE Rating | Lower energy bills |
| 15:1 Turndown Ratio | Precise temperature control |
| Stainless Steel Heat Exchanger | Extended durability |
| Dual Venturi System | Better combustion efficiency |
| Flexible Venting Options | Easier installation |
The patented stainless steel fire tube heat exchanger isn't just tough – it's ASME certified and "H" stamped, so you know it's built to last through years of reliable service.
Navien NFB-H Series Heat-Only Boiler Pros and Cons
Decision-making gets easier when you weigh the full picture of what Navien's NFB-H Series boilers bring to the table.
On the plus side, you'll enjoy impressive efficiency ratings up to 95% AFUE, saving you money on energy bills. The space-saving wall-mounted design and advanced features like Wi-Fi compatibility and multi-zone control make it a smart choice for modern homes.
However, you'll need to take into account some drawbacks. The upfront cost is higher than traditional boilers, and you'll want professional installation to get things right.
Annual maintenance is also recommended to keep it running smoothly.
While the dual venturi system and low gas pressure operation are nice perks, this might be more boiler than you need if you've got a smaller home or live in a mild climate.
How Does The Navien NFB-H Series Heat-Only Boiler Compare To Similar Models From Other Manufacturers?
When comparing the Navien NFB-H Series to other heat-only boilers, you'll find it holds its own against industry heavyweights like Worcester-Bosch and Vaillant.
With its impressive 95% AFUE rating and advanced features, it's giving the competition a run for their money.
The NFB-H Series stands out with its exceptional 15:1 turndown ratio and ability to operate with low gas pressure.
While Worcester-Bosch and Vaillant offer solid performance, they don't provide specific efficiency ratings that match Navien's transparency.
You'll also appreciate that the Navien comes with a generous warranty package – 5 years on parts and 10 years on the heat exchanger.
Plus, its compact dimensions (17.3" x 27.6" x 17.3") make it comparable to space-saving models like the Potterton Promax Slimline, though it packs more power.
How Much Does A Navien NFB-H Series Heat-Only Boiler Cost?
Looking to budget for a Navien NFB-H Series boiler? The unit cost for the NFB-175H model runs between £3,200-£3,800, while the larger NFB-200H typically costs £3,500-£4,200.
But don't break out the cheque book just yet – there's more to evaluate than just the boiler price. When you factor in installation costs, you're looking at a total investment of £7,000-£12,000, depending on your location and setup complexity.
If you're in a major city, expect to pay about 20-30% more.
The good news? These boilers pack a 95% AFUE rating, which means they'll slash your heating bills by up to 30% annually.
Plus, you might qualify for some nice rebates and tax credits to help soften the upfront cost. Think of it as your wallet's long-term thank-you note!
Navien NFB-H Series Heat-Only Boiler Warranty and Service Support
Although premium pricing may raise eyebrows, Navien backs their NFB-H Series boilers with some seriously robust warranty coverage.
You'll get a 15-year warranty on the heat exchanger for residential use, plus 5 years on parts and 1 year on labour.
If you're installing this boiler in a commercial setting, the coverage adjusts to 10 years for the heat exchanger and 3 years on parts.
Tech support is readily available at 800-519-8794, and Navien's Service Specialist network can handle installations and repairs.
Just remember, you'll need proof of your installation date for warranty claims, and improper installation voids the coverage.
For maximum longevity, schedule annual maintenance with a licensed professional.
With proper care, your Navien boiler could keep you cosy for 20+ years.
Final Verdict
Based on our thorough evaluation of Navien's NFB-H Series boilers, you'll find remarkable value despite the premium price tag. The combination of 95% AFUE efficiency rating and advanced features like the 15:1 turndown ratio makes this unit a smart long-term investment.
You'll appreciate the space-saving wall-hung design and flexible venting options that make installation a breeze. The user-friendly interface and optional WiFi control system mean you won't need an engineering degree to operate it effectively.
What really sets this boiler apart is its reliability and performance features. With an industry-leading 10-year warranty on the heat exchanger and ASME certification, you can rest easy knowing you've made a solid choice.
For both residential and light commercial applications, the NFB-H Series delivers exceptional heating performance and peace of mind.
Get Up To 3 Free Quotes For Your New Boiler
Now that you've learned about the NFB-H Series boiler's impressive features, it's time to find the best deal on your new heating system.
At BoilerChamps.co.uk, we'll connect you with three local Gas Safe registered installers who can provide competitive quotes.
Getting multiple quotes helps you avoid that dreaded feeling of wondering if you could've gotten a better price. Each quote will include:
- Complete cost breakdown for the boiler and installation
- Removal and disposal of your old unit
- Details about parts and labour warranties
The process is quick and obligation-free – just enter basic details about your property and current heating setup.
Within minutes, you'll receive customised quotes from vetted professionals in your area. It's the smartest way to guarantee you're getting excellent value for your investment.
Simply request your boiler quotes online to compare prices from nearby installers in your area.