Navien Tankless Water Heater Reviews 2022

In today’s post, we present Navien Tankless Water Heater Reviews. We purpose to provide comprehensive, accurate, and timely information to help you chose a model that meets your budget and expectation.

Navien is a worldwide brand known for producing some of the most efficient, energy saving and bestselling tankless water heaters. With this brand, you get to enjoy uninterrupted supply of hot water at lower utility costs.

You can also check: Best Electric Tankless Water Heaters and Best Gas Tankless Water Heaters 

Guide To Best Navien Tankless Water Heaters

Navien has received great accolade the world over for producing some of the best and high performing Tankless Water Heaters. The company has introduced two tankless series, NPE-S and NPE-A.

Therefore, if you are looking for an energy efficient solution for heating water, one that would guarantee you uninterrupted supply of hot water, then you should consider any of the Naiven models.

The company offers some of the most innovative tankless water heaters, combi-boilers, and condensing boilers. All of these series are best for whole house heating as well as apartments and other larger houses.

Common features for the Tankless Water Heaters

Some of the most important factors you should keep in mind while conducting your Navien Tankless research include the following:

All the tankless water heater brands from Navien use condensing technology and maintain very high standards. As a result, they’ve received LEED and Energy Star accreditations. The units can drastically cut on your energy bills while providing you hot water on-demand.

All of these Naiven tankless brands feature cascading technology. You get to link up about 16 units, making them ideal for commercial and large homes applications.

Furthermore, all Naiven heaters have 0.98 energy factor. This is a great energy rating. If you compare with other tankless heaters on the same category, you’ll discover that they have an energy factor of 0.55-0.82 which is lower than the Naiven heaters.

Other than that, the tankless heaters also come with an add-on component (NaviLink). This add-on allows you to use WIFI to monitor and control the water heater.

Furthermore, all Naiven series come with exceptional stainless steel heat exchangers. The stainless steel material helps to fight corrosion and allow high condensing performance.

Another feature that is common across all Naiven tankless water heaters is the front control panel. The panel has a diagnostic button, recirculation mode, reset button, master button, and up and down arrows to regulate temperature according to your taste.

Let’s Look at Specific Features for NPE-A and NPE-S Series

NPE Advanced Models (NPE-A)

The NPE-A series are highly rated for their exceptional quality, efficiency, and high performance. They have low NOx ratings and an energy factor of .96. These models also feature an amazing recirculation technology known as ComfortFlow that prevents cold-water bursts during the heating process.

On top of that, they also come with an optional handheld remote. This remote enables you to regulate and monitor the water temperature and set it the way you like.

In addition, the timer allows you to control when the recirculating and reheating of the water will happen. This means, hot water will only be available on demand.

NPE Standard Models (NPE-S)

The NPE-S models are also not been left behind when it comes to remarkable features and designs. The NPE-S are a bit cheap than the NPE-A series. That is not to say that the NPE-S is inadequate. In fact, its quality and performance are highly rated.

These series have an impressive .97 UEF rating. This a remarkable rating that’s incomparable with other models in the same category.

Most users are pleased with their efficiency and high performance and the fact that they require minimal maintenance.

Navien Tankless Water Heater Reviews (NPE-A Series)

Navien NPE 240a Review

The Navien NPE-A is a powerful tankless water heater that delivers hot water on demand. This model is more advanced than the others are on the same category. The one feature that make this model stand among the rest is its impressive flow rate. It can generate up to 11.2 GPM at 45°F and 12.2 gallons/minute at 35 °F. As a result, the Navien NPE 240a has become a household name and its ideal for both commercial and residential applications.

This model also features comfort flow technology .This is an incredible technology that gives you the ability to monitor hot water needs of your family or commercial application. This way, you can minimize the chances of cold-water outbursts.

The Navien NPE-240a also comes with an intelligent preheating technology. Hence, this Navien tankless water heater can easily recognize your water usage patterns and heat the water so that when you open your taps, you get to enjoy hot water instantly.

The NPE 240a has an exceptional app known as Navilink.  This mobile friendly app allows you to monitor and control your water heater even if you’re away. You can also adjust the settings, turn the unit on or off, or check for any errors in your Navien heater. Therefore, the Navien NPE-A is a perfect choice for those who’re busy and can’t monitor the unit regularly.

In addition, the heat exchanger features stainless steel material. This makes the unit energy efficient. The heat exchanger works by transferring energy through the system and heating the water. Other than that, the company guarantees the durability and efficiency of the heater as stainless steel material prevent corrosion. The stainless steel is great at heat exchange and ensures NPE 240a attains 97% energy efficiency.


  • High flow rate
  • Features advanced preheating technology
  • Energy efficient
  • Heat exchanger is all stainless steel to ensure durability
  • Low NOx emissions


  • A bit expensive

Navien NPE – 210A Review

Another Naiven NPE series is this high performing and efficient 210A tankless water heater.

It has a flow rate of 10.1 GPM at 45°F and 11.0 at 34°F. This means that the NPE – 210A is ideal for larger homes with high water demand. With this Navien heater, you can use 6 bathrooms, sink, washing machine and any other activity that requires hot water without running out of hot water.

This condensing unit can deliver temperatures between 98°F to 140°F. Therefore, you get to decide the hotness level of your water.

All Naiven tankless water heaters feature Eco Burner Technology. This technology reduces NOx and CO emissions by over 75%. Therefore, you can be sure you’re using an environmental friendly water heater.


  • Great flow rate
  • Can supply several appllications simultaneously
  • Ideal for large homes
  • It’s Eco-friendly


  • A bit expensive

Navien NPE – 180A Review

The NPE 180A series uses natural gas and although it’s not as efficient as the models we’ve discussed above it’s still very efficient and performs better than most other models.

It has an amazing flow rate of 8.4 GPM and you can mount on the wall to save on space.

Almost all Navien hot water heaters have a temperature range from 98 degrees to 140°F and the Navien NPE – 180A is no exception. Therefore, you can also choose the level of temperature you want for your water.

The Navien NPE – 180A exceeds expectations when it comes to energy efficiency.  It has received Energy Star certification. This means when you decide to use the product you not only get to save on energy bills but also the environment.  All Navien models promote eco-friendly practices, so you get to enjoy hot water on demand while saving the environment and money.

Overall, Navien NPE – 180A is a powerful and efficient tankless water heater that’s worth considering.


  • Can interlink with other models to use commercially
  • Heat exchangers are stainless steel adding to durability of the product
  • Impressive internal preheating technology
  • Uses both propane and gas


  • A bit expensive


We hope that this Navien Tankless Water Heater Reviews has been of help to you. We believe you’re now more informed and are confident enough to choose your best Navien model. A tankless water heater is a good energy effcicient option worth every penny. Investing in a Tankless Water Heater is wise decision as it will allow save on energy and finances.

Recent Posts