Here we have Takagi tankless water heater reviews that let you decide which one fits your needs. Best of all, the Takagi models come with a stylish eco-friendly design and proven performance at affordable price tags. With super featuring, they are well-known and trendy to get instant hot water.

Is it enough for the best tankless water heaters?

Takagi tankless water heaters make more scores when it comes to the installation process. They are providing easy installation without complicated wiring issues so that you can install them anywhere you want.

Apart from the effortless installation process, they don’t take too much space, unlike traditional tank water heaters. More than that, you can mount them on the wall because there is no boiler or rank for storage purposes. With that flexibility, Takagi models are perfect for both commercial and residential purposes. Also, they don’t take the time to get hot water.

So if you are looking for the Takagi tankless water heater reviews, you should keep scrolling down. We have compiled the best choices for you that don’t compromise over the performance. Indeed, you will find the best bang for your bucks.

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Here, below we have the list of 5 Best Takagi Tankless Heaters to buy in 2021

1. Takagi T-H3M-DV-N – Condensing Tankless Heater

Our highest recommendation is Takagi T-H3M-DV-N Condensing Tankless Water Heater. It comes from the most reliable brand. That’s the main reason for its trustworthiness.

Best of all, it is offering intuitive water solutions. Either you need it for residential or commercial, it is recommended for both. It has got the best Takagi tankless water heater reviews. Only it is allowing one drawback. It becomes loud when the vent fan comes on. That’s all.

Takagi T-H3M-DV-N Tankless Heater

Takagi T-H3M-DV-N Condensing Direct Vent Tankless Heater


  • Constant temperature monitor
  • Radiant heating applications
  • Made in japan
  • Natural gas heater


  • The internal freeze protection system
  • Air fuel ratio sensor
  • 120000 BTU gas inputs

Performance and Heating Capacity

Unlike other models available on the internet, it is providing great diversity. It allows unbeatable performance so you can get endless hot water.

With condensing technology, it offers a premium line of quality. There are featured Uniform energy. Further, it is paired with Ultra-Low NOx. It makes the unit more efficient.

Another best feature is its primary heat exchanger. It is constructed with a high-grade copper alloy. We have compared it with stainless steel models; it provides better heat transfer.

Durability and Safety

Manufactured by high-quality, durable material in Japan. Moreover, it lets you get constant temperature tracking because of Intel as well as outlet thermistors. It would be an ideal choice for light residential as well as radiant heating applications.

Likewise, it provides the utmost safety. In this regard, it includes an internal freeze protection system. Further, it has an overheating cutoff fuse.

Additionally, it provides great water temperature safety controls and an air-fuel ratio sensor. Due to these features, it ensures a flawless experience.


Takagi T-H3M-DV-N Condensing Tankless Water Heater is compact. Best of all, it convenient to use and you will not have any difficulty in operating the water heater.


  • Convenient to install
  • Ideal for home use
  • Easy to operate


  • It takes some time to heat water

Final Verdict

All in all, Takagi T-H3M-DV-N is one of the best choices for domestic hot water systems. It is not only energy-efficient but also produces enough hot water even in colder climates. Furthermore, it is outstanding for safety. Indeed, it is the best Takagi tankless water heater available on here.

2. Takagi T-H3S-DV-N Condensing Indoor Water Heater

Now we have another best Takagi Tankless water heater review here, and it is Takagi T-H3S-DV-N. It comes with condensing featuring and most suitable for indoor use. It lets you get on-demand hot water with a compact design.

This brand provides the most ease to its customers. These include installation instructions. With a toll-free number, you can call and get a response to every question you ask. More than that, it is easy to install.

Takagi T-H3S-DV-N Tankless Heater

Takagi T-H3S-DV-N Condensing High Efficiency Natural Gas Indoor Water Heaters


  • Computerized safety features
  • Space-saving
  • 8 gallons heat per minute


  • 180,000 BTU gas inputs
  • Ideal for two baths in a cold climate
  • 8 gallons heat per minute

Performance and Heating Capacity

Whether you need hot water for personal use or cleaning around your house, this unit lets you get 180,000 BTU ratings. Other than that, it is ideal in both climates as warm or cold. In addition, you can get instant hot water up to three bathrooms.

Furthermore, it has an 8 gallons heating capacity in one minute, how cool is that? As compared to other models, it requires proper venting. Even the installation is easier, but if you don’t know the basic knowledge, the warranty will be voided.

Durability and Safety

Furthermore, it has computerized safety and space-saving features. However, without pilot light, you have to be conscious of over-heating. It is the most reviewed product when it comes to the Takagi tankless water heater reviews. It is offering heat water for as long as you need it.


Thanks to the on-demand design, it lets you get water that you can use on the spot. With ultra-low emissions, it will work regardless of the vent. At the front, it has metal connections. These hook up to the pipes. Further, it allows you to add the heater and exit back into your plumbing system.


  • Easy to install
  • Endless hot water on demand
  • Ultra-low NOx emissions
  • Highly efficient


  • For indoor use only
  • Bit noisy
  • Not for a large house

Final Verdict

To sum up, the Takagi T-H3S-DV-N is the best tankless water heater available for small families to complete all house water needs. From quality to performance, it is a dime product. It works super quietly and allows the best safety features.

3. Takagi T-H3S-OS-N Condensing Outdoor Water Heater

Now we have another best Takagi tankless water heater review for you; it’s Takagi T-H3S-OS-N. Unlike the above-listed models, it is a perfect deal for outdoor use.

One of the biggest advantages of having this model is that it offers uncompromising performance. It is giving you hot water on demand.Fortunately, we don’t have found any bad review about this product yet.

Takagi T-H3S-OS-N Condensing Water Heater

Takagi T-H3S-OS-N Condensing High Efficiency Natural Gas Outdoor Tankless Water Heater


  • No pilot light
  • Medium-sized heater
  • 100 to 140 temperature range
  • For outdoor use only


  • 8 gallons per minute heating capacity
  • 120 volts
  • Water temperature control
  • Air fuel technology

Performance and Heating Capacity

Best of all, condensing technology is growing fast and delivers the highest best standards on the market for quality. It doesn’t only save your money but also time.

Not only that, it qualifies as the Low NOx standards, which is a bonus at a price. Further, it also featured air quality districts and SCAQMD, which makes the performance better.

Its heat exchanger is made of commercial-grade copper. It is resilient to corrosion, which enhances its lifetime. Moreover, there are lots of safety features included.

Durability and Safety

For increased security, there includes freeze protection systems, water temperature control, air-fuel, and more.

You will also love to know about its condensing technology. It has a Uniform energy factor and temperature control. You can control it remotely. In this regard, it is the best Takagi tankless water heater review.

Durability and Safety

It comes with energy conversation, space-saving, and compact design. Moreover, it is without a pilot light, so you don’t need to worry about it. Furthermore, Takagi tankless offers ultra-low NOx emissions.


  • Compact
  • Space-saving heater
  • Safety features


  • Bit expensive

Final Verdict

Nevertheless, this model by Takagi is the quietest unit available on the market. WItn Low-Nox and instant hot water featuring made it the best Takagi tankless water heater reviews. With robust material and easy installation, it would be a perfect deal.

4. Takagi TH3JDVLP Tankless Water Heater

Next up, we have Takagi TH3JDVLP Tankless Water Heater. It is another best choice that provides enough hot water at multiple locations in your home.

Furthermore, it is featuring a heavy heater. It lets you rely on the temperature of the groundwater at a cold temperature. However, it provides faster hot water in warm water.

Takagi TH3JDVLP Tankless Water Heater

Takagi TH3JDVLP Tankless Heaters


  • Outlet thermistors
  • Radiant heating applications
  • Constant temperature monitoring
  • Made in japan


  • Constant temperature monitoring
  • Low emissions
  • Integrated screen monitor

Performance and Heating Capacity

It is designed for home use to get higher efficiency. Unlike other models, it is the most cost-efficient model available on the market. Other than that, it allows you to adjust the temperature according to your preferences. It also meets the standards with low emissions.

We liked its performance even in the coldest areas also. It ensures a enough supply of hot water to all showers of your home. However, when it comes to the warmer temperature, it offers more performance in a better way.

Without any worry, you can install it wherever you want. It ensures complete maintenance without requiring lots of your time.

Also Read: Rheem Tankless Water Heater Reviews

Durability and Safety

In fact, the quality is durable, and it will last for many years. Likewise, there are featured modern components. It lets you get rid of the lighting pilot light. Moreover, it completes all the standards.

The most powerful feature of tankless heater water is Condensing high efficiency. It provides reliable service to multiple showers or faucets. Best of all, Takagi TH3JDVLP Tankless is safe to use and turns off automatically after heating the water.


Along with that, it is integrated with a screen. It lets you view easily in the dark, and the buttons nearby are easier to see. The coolest thing is that it enables you to get access comfortably from the main menu.


  • Works quietly
  • It has a screen for convenient monitoring
  • Highly efficient


  • Heavy

Final Verdict

Above all, the Takagi TH3JDVLP Tankless Water Heater works quietly. It requires less maintenance and enough for two bathrooms in both climates. Indeed, it has the best Takagi tankless water heater reviews with top ratings.

5. TAKAGI TH3OSNG Tankless Water Heater

Next up, we have the TAKAGI TH3OSNG Tankless Water Heater. Moreover, it is offering a user-friendly instruction manual. It allows you to install the unit.

However, it requires installation from a plumber if you don’t know to plumb. Besides that, the manufacturing of the tank is from Japan.

TAKAGI TH3OSNG Tankless Water Heater



  • Default max temperature setting of 135 degrees F
  • Convenient to install
  • Heat exchanger tubing
  • Made in japan


  • Remote controlling
  • Certified up to 10,000 feet
  • Heat exchanger

Performance and Heating Capacity

Unlike other tankless water heaters, it is recommended for either home or commercial use. Furthermore, it meets all the standards for NXo Ultra-Low.Unlike other available models, it would be ideal for light residential use and certified with 10,000 ft altitude. It has earned lots of the best Takagi tankless water heater reviews.

And that’s not all, and it is ideal for light residential as well as radiant heating applications. Also, it has the inlet and outlet Constant temp monitoring. Out of the amazing features, it comes with a thermistor. It is featured on the inlet as well as the outlet. It also tracks temperature.

Durability and Safety

Best of all, it is manufactured in Japan. With high-quality material, it ensures you have a longer service. Another feature is great; it has a heat exchanger. It is made of copper stainless steel material to get a longer life span.

What’s more? It does offering up to 5 years of warranty. It also offers one year on labor. Also, there are so many reasons to choose for safety.


This compact unit is making easier installation even in tight places. Without taking additional time or space, it lets you get your job done more easily. Furthermore, you will have a remote controller to change the settings of the heater.


  • Appealing look
  • Ideal for residential and commercial use
  • Remote control feature


  • Difficult to install

Final Verdict

Nevertheless, Takagi’s model has the most appealing look and most suitable for commercial and residential needs. Furthermore, it has a remote control feature to handle temperature needs.

Why Choose Takagi?

One of the best brands, Takagi, is a modern and best solution for both commercial and residential needs. If you are looking for the best Takagi tankless water heater reviews, you must look at certain factors. These factors are the most important factors that Takagi considered most.

First of all, this brand is offering versatile models. They are easy to portable as well as reliable. It doesn’t matter either you have a small house or large one; it can thoroughly provide endless hot water.

We have covered from small to the large tankless water heaters on this page, so you get the best model. They are energy efficient as well as environmentally friendly. Not only, but this brand also has all models that passed Low Nox standards. They preserve natural resources up to 95% of recyclable materials.

Like other high-quality tankless water heaters, the Takagi also provides endless, on-demand hot water with sophisticated features. It allows you to get instant hot water with little fluctuation, a basic need for all users.

When it comes to tankless water heaters by Takagi, it offers a blast performance unit. This brand offers features including an overheat sensor, flame sensor, hi-limit, air control, and more.

More than that, it also prevents freezing when the surrounding temperature drops too low. Unlike other brands, it uses simple operations as well as proper heat-up operation. It also minimizes efficiency by reducing the emission of carbon monoxide gas.

Why not have a look at the list of Propane Tankless Water Heater Reviews

Thanks to its remote controlling feature. It lets you adjust the temperature or monitor. You can also keep a record of the fuel or air ratio.

One of the top-leading manufacturing brands, Takagi, offers the Direct Vent Convertible heaters. This brand uses residential apps with a great warranty. It provides a great warranty on the heat exchanger and more. It is offering five years warranty on a residential tankless water heater. And ten years of commercial models.

Overall, this brand is remarkably well-known all over the world. With all the features, it offers a great variety of models. If you are looking for the best Takagi tankless water heaters reviews, we have compiled a perfect feature

Frequently Asked Questions

Without a doubt, Takagi is the best manufacturing brand that has satisfied hundreds of people with its products. It is constantly providing the best quality products. There are so many features that have made them the best. It includes temperature rate control, excellent flow rate, and more.

Yes, the Takagi offers the best services for the whole house in climates, either warm or cold. Its tankless water heaters come with the proven technology of condensing. You will also keep track of heating DHW.

Indeed, tankless water heaters by Takagi are the best bang for your bucks. They save you money and consumption. However, they require cost when it comes to installation. But it will worth your money.

The Bottom Line

All in all, we have concluded the best Takagi tankless water heater reviews available here. It was hard to choose the best choices when there are many of the best choices available on the market. But we assured you these models don’t complete your hot water needs and minimize the cost of electricity bills.

What you need to make sure of is your requirements. You should make sure you have a budget and space to fit. They can be placed, whether it’s your bathroom, kitchen, or outdoor area. If you want to get instant hot water, we always recommend Takagi so you can complete your need more efficiently at all times throughout the year.

Besides that, if you have any questions, then you can comment below. We are always here to help you. Thank you for visiting us!