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Navien NHB Boiler

#2 of 3 Navien Boilers

Updated: Sep 24, 2018

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Overview of the NHB

The Navien NHB is a condensing gas boiler with an efficiency rating of 95.0% AFUE. It was named an Energy Star Most Efficient 2016 product and is available in four models: NHB-55, NHB-80, NHB-110, and NHB-150. The NHB is a wall-hung boiler, designed to occupy far less space than a traditional floor-standing boiler. It can be vented with 2" and 3" PVC, CPVC and approved polypropylene, with venting up to 60 feet using 2" PVC, and up to 16 units of the two largest models, the 110 and 150, can be cascaded. An optional NaviLink control allows remote temperature control and monitoring.

Consumer Reviews of the Navien NHB

Compare to Other Navien Boilers:
  • Very Satisfied
    1
  • Somewhat Satisfied
    0
  • Neutral
    0
  • Somewhat Unsatisfied
    0
  • Very Unsatisfied
    5


Date created: 2018-09-24 Name: Bill Bowe
Location: Lafayette, NY

Satisfaction Rating:

5 of 5 stars Very Satisfied

Review:
"Navien 110"
I have installed over 150 boilers over the past 5 years and less than 1% I have to go back to repair; also Navien has a full package with 100% of parts that only trained contractors get when they are certified. So if you hire a contractor that doesn't know how to install or repair these boilers, you didn't ask enough questions and were trying to save some money. Now I have been call to fix over 50 Navien boilers last year because they hire someone that just was in it to make some money and don't know how to troubleshoot them. 95% of them are wrongly installed. I had serviced all models and brands and they all will give you problems at some point in life. The only equipment out there that never gave any problem went out of business 60 years ago cause they couldn't sell any parts. Navien 110 great heater. 2 years no problems. Bill Bowe.


Date created: 2018-04-28 Name: C. Johnston
Location: Shelton, WA

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"Loud"
Ours is the 2015 model. It kicks on and is so loud it sounds like an automobile with a big engine is going to drive through the wall. It scares the dog. The humming is very annoying.


Date created: 2018-02-15 Name: John Edwards
Location: Wisconsin

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"Navien Combi is Cheap"
My installer is an experienced HVAC / Plumbing contractor. He has never dealt with such poor support from a manufacturer in his 25 years. After this disaster he will never put a Navien in again. No support from the factory, just change parts and hope for the best. 3 way valve, blower motor and now the heat exchanger. I'm not out $100 it's thousands. I should have done my homework or listened to the installer. Stick with the brands with a history; WM, Triangle Tube etc. Good Luck to the rest of you Mr Edwards Wisconsin


Date created: 2018-01-15 Name: FRANK TALERICO
Location: Windsor, Ontario, CANADA

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"NHB-055 -JUNK"
Windsor, Ontario- Got flooded, Gas co. Red tagged boiler, hired contractor, put in Navien nhb-055 boiler. It has never worked right since installed first week of Dec./17. To-day Jan. 15/18 still not working right. Contractor called navien 2x, still no heat. Sleeping in living room with 2 portable heaters. THIS PRODUCT SHOULD NEVER BE SOLD ESPECIALLY IN CANADA- TEMP. BELOW '0' *C AND *F, I AM FREEZING.


Date created: 2017-12-13 Name: FRANK TALERICO
Location: Ontario, Canada

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"HARDLY ANY HEAT/FREEZING-MAX 64/15.5c"
It has been several weeks since it was installed by a contractor. House only 500 sq. Ft., Upstairs 500 sq. Ft., Total = less than 1000.00 sq. Ft.. At night I freeze, this is Canada. Outside temp. Is about -11'c or 12.2'f at this time, beginning of December 2017. Contractor does not know what is wrong. I'm fed up. WAY TOO MUCH BULL! The only good thing so far is that it hangs on a wall and looks nice, and we did have a flood this summer, that is why a new boiler.


Date created: 2017-03-04 Name: Philip
Location: Massachusetts

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"Unreliable and Horrible Warranty"
I've had a Navien combo for 3 years. Inside of the 3 years I've spent over $2,000 in repairs which have included a complete replacement of the entire unit. First the pcb (Primary Control Board) failed, then the heat exchanger had to be replaced (dubiously) before Navien agreed that they had to replace the entire unit because it was leaking condensation. Of course the labor warranty is long since expired, so I'm stuck with a $1,500 labor bill to swap out their junk after spending more than $500 in the previous repairs. Noted was that the labor warranty would have only covers $225 over the life of the unit which is nothing, if major parts are going to fail. So, after more than $2,000 of labor since it was installed 3 years ago, I'm on a second unit. After long conversations with their customer service giving them the chance to step up and make this right (which I equate to cover the service bill for replacing their poor quality unit), they are not willing to do so. There is a reason why they get poor reviews and this is exactly it. They have a quality issue. Some units may be fine, but when they are not (as was the case with mine) you're out of luck with large bills to replace their garbage. The customer services team knows it too, but they're instructed to simply say no. I gave them the chance to avoid this type of review and told them so directly, but it isn't important to them to do the right thing. Simply put, they don't stand behind their product. You may luck out and get a good unit or you might not. If you don't luck out you'll pay for the unit twice over in repairs.


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Other NHB Reviews

A homeowner on heatinghelp.com asked if the NHB was a good unit and was told by one professional that it's okay but there are better units available. There was a long discussion on the same post between professionals regarding how long it takes to get parts for Navien boilers. On terrylove.com, a homeowner asked for opinions regarding the NHB and a Dunkirk boiler and received a couple of replies from professionals who preferred the NHB.

NHB Warranty

The warranty for the Navien NHB boiler is comprised of the following:

  • 15-year heat exchanger warranty
  • 5-year parts and other components warranty
  • 1-year labor warranty

 
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