Takagi Tankless Water Heater Brand Reviews 2019

About Takagi Water Heater:

Takagi is a top-rated tankless water heater brand and has been delivering innovative hot water solutions for over 60 years. The company’s mission is to produce only high quality, innovative, and eco-friendly tankless water heaters. It provides an energy-efficient solution and lasts for years. It only provides hot water when needed.

Takagi gives priority to safety, quality, and service as the company believes in providing customer satisfaction. Takagi is proud to be the first tankless water heart company that offers tankless products with an amazing 95% thermal efficiency rating. It is the first company that utilizes a unique safety device, “air-fuel ratio rod.” Also, Takagi is the first company that offered a direct vent convertible tankless model.

Takagi is producing high safety and quality natural gas, electric and propane tankless water heaters to solve your hot water issues.

Takagi Tankless Water Heaters Reviews:

Takagi tankless water heaters continuously supply hot water in the most energy-efficient way possible. So, you will never run out of water again. It takes up much space than your conventional water heater.

Here I am presenting the complete Takagi tankless water heater reviews so that you can decide which one you should buy:

  1. Takagi T-KJr2-IN-LP Indoor Propane Tankless Water Heater:

It is a small, discreet, and efficient tankless water heater that does not require a lot of maintenance. It powers up several showers at a time without creating any background noise. Takagi T-KJr2-IN-LP tankless water heater runs on propane and needs stainless steel vents to release the fumes.


Features of  Takagi T-KJr2-IN-LP Indoor Propane Tankless Water Heater:

  • Energy-efficient:

Takagi T-KJr2-IN-LP tankless water heater runs on propane and uses the energy in the right way. Not only it saves the energy and cuts the billing amounts but also works efficiently. It supplies hot water, only on-demand, which means it will not use energy when you don’t need it.

  • Compact size:

Takagi T-KJr2-IN-LP comes in a compact size that means you can mount it on the wall leaving the floor space empty. You can utilize that space for something else. Today people living in small homes and apartments really need a tankless water heater that reduces the energy bills and does not take much space. With a dimension of 6.7 x 13.8 x 20.3, it is a space-saving unit.

  • Ideal for small homes:

Those living in small homes and apartments need a unit that is energy-efficient and is compact in size. Takagi T-KJr2-IN-LP is perfect for the homes with one or two bathrooms. Be it a cottage, Condon, small house or apartment you can save space by installing Takagi T-KJr2-IN-LP.

  • Remote control:

The unit comes with both the power cord and remote control for your convenience. You can control the water temperature using the remote within a distance of 5 meters.

  • Flow rate:

With a flow rate of 6.6 gallons per minute, it provides the endless supply of hot water on demand. There is the chilling weather outside, and you want to take a hot bath. Don’t worry if you have installed Takagi T-KJr2-IN-LP as you will let you run out of water.


  • Small in size
  • A compact unit that you can install anywhere
  • Easily adjustable temperature settings
  • Easily adjustable water flow settings
  • Ideal in high altitudes
  • Comes with a remote control system
  • Good safety features
  • 15 years limited heat exchanger warranty
  • Less maintenance required
  • Easy installation
  • Up to mark performance


  • Requires a ventilation system to release the fumes
  • Not suitable for larger homes
  • Flow delays with excessive usage demands
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  1. Takagi T-K4-IN-NG Indoor Tankless Natural Gas Water Heater:

It is intended for indoor installation and is designed to provide hot water on demand. The unit gives a continuous supply of hot water with less temperature fluctuations. It is a fully modulating gas-fired tankless water heater.



  • Amazing flow rate:

The flow rate is an important feature to consider while buying a tankless heater. The flow rate is good then you will get continuous hot water. Takagi T-K4-IN-NG has 8.0 GPM flow rate, which means you do not need to wait long to get hot water.

  • BTU rate:

You are not getting hot water fast; it means the water heater you have installed does not have a decent BTU.  Takagi T-K4-IN-NG has 11,000 – 190,000 BTU/hr, which is quite impressive.

  • Temperature control:

The unit includes a digital temperature control that enables you to get the hot water at the temperature you want. Takagi Company pays much attention to the safety features so; you do not need to worry while setting the unit temperature.

  • Built-in exhaust:

The unit also features an exhaust that is attached to the heater machine. It is highly important to release the harmful gas, and if there is no exhaust, it will not be possible. When gas does not release from your water heater, it may stop working.


  • Optional Direct-vent conversion
  • Energy factor 0.82
  • The maximum flow rate of 8.0 GPM
  • Water temperature safety control
  • Small in size
  • Save up to 45% on your energy bills
  • Up to mark performance


  • May need to install additional equipment to connect Takagi T-K4-IN-NG
  • For indoor installation only
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  1. Takagi T-KJr2-OS-NG Natural Gas Outdoor Tankless Water Heater:

Takagi T-KJr2-OS-NG is designed to be installed outdoor. It is extremely useful for getting hot water instantly in the cold morning. It is perfect for small hot water demands situations. The unit is powerful enough to provide hot water to a family of 4 to 5 family members:

best Takagi-T-KJr2-OS-NG-Natural-Gas-Outdoor-Tankless-Water-Heater


  • Endless hot water:

You need endless hot water to do the home chores in a winter morning. But the conventional water heaters fail to do so as they take much time heating the water. Takagi T-KJr2-OS-NG is an efficient water heater that supplies hot water without any problem.

  • A remote control:

Takagi T-KJr2-OS-NG is a natural gas outdoor tankless water heater that comes with remote control. Having a remote control means that you can control the temperature from a certain distance. How convenient is it?

  • Energy-efficient:

There is no point in losing your hard-earned money on replacing a traditional water heater with a tankless one if it is not energy efficient. Tankless water heaters occupy less space and save money on billing as well. Takagi T-KJr2-OS-NG has 0.82 energy factor.

  • Safety features:

No matter what you do, Safety always comes first. Takagi has always kept safety at the top in the priority list, so Takagi T-KJr2-OS-NG has an exhaust and water temperature safety control.


  • Easy to change the water temperature
  • Features a remote control
  • The flow rate of 8 GPM
  • Designed to be installed outside
  • Doesn’t require any venting,
  • Freeze protection technology


  • An electric ignition that does not work when you have no electricity
  • Takes a lot of time while heating up the water
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  1. Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater:

It is also one of the highly-rated tankless water heaters made by Takagi. It delivers a continuous supply of hot water to those who have big need problem. Takagi T-H3-DV-N provides hot water to three bathrooms in winter and four bathrooms in summer.

best Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater


  • Good for heavy purposes:

Takagi T-H3-DV-N natural gas tankless water heater can also be used at your salon, restaurant, and a small café, etc. It is perfect for big home needs as the company has designed in a way that it can handle the heavy demands of water.

  • Cost-saving:

When people install a tankless water heater at home, they expect a cost reduction. Takagi T-H3-DV-N natural gas tankless water heater features a high energy conversion system and the self-modulating heating mechanism that allows you to save on energy bills.

  • Compact design:

You want to install a tankless water heater that is small in size and is efficient as well then Takagi T-H3-DV-N is the right choice. Its space-saving design can be easily fitted in any nook of the house.

  • Remote control:

You can also control the water temperature with remote control. But you need to buy it separately as it does not come with the unit.

  • Maximum flow rate:

Takagi T-H3-DV-N has a maximum flow rate of 10 gallons per minute.


  • Suitable for a big family
  • 95 Energy Factor for Natural Gas
  • The flow rate of 10.0 GPM at 35°F temperature rise
  • Hours of hot water
  • Features a very low NO2 emission levels
  • Several cost-cutting features
  • Compact and space-saving


  • A temperature drop during heavy use
  • Venting required
  • Professional installation needed
  • You need to wait for hot water when you start taking a shower
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Takagi Electric Tankless Water Heater:

Takagi is a company that always focuses on producing something that could provide a solution to the customer’s problems.  Takagi is a Japanese company that has been producing innovative appliances for more than 70 years. It mainly manufactures propane and gas tankless water heaters. If you are looking for a Takagi electric tankless water heater, then check electric tankless water heater reviews. All Takagi products are energy-efficient and eco-friendly.

Takagi Tankless Gas Water Heaters Reviews:

Takagi understands that homeowners need an efficient water heater in winters. But it should also be energy efficient at the same time. Takagi manufactures the water heaters that are powerful enough to supply hot water without any break.

Takagi is known for making the best gas tankless water heaters so here are some best Takagi gas tankless water heater reviews to make it easy for you to decide:

  1. Takagi T-K4-IN-NG Indoor Tankless Natural Gas Water Heater:

It features a water temperature safety control along with exhaust.  With 8.0 GPM flow rate, it is a perfect choice for homeowners. It is for indoor installation only.

Takagi T-K4-IN-NG Tankless water heater reviews 2019

  1. Takagi T-KJr2-OS-NG Natural Gas Outdoor Tankless Water Heater:

It includes an internal freeze protection system. Takagi T-KJr2-OS-NG is a small device that provides exceptional performance. It has the maximum flow rate of 6.6 GPM at 30-35 degree Celsius temperature rise.

Takagi T-K4-OS-NG Tankless Water Heater, Natural Gas, Outdoor

  1. Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater:

It is an ideal water heater for whole house water heating. It is a compact water heater but powerful enough to supply hot water in commercial and residential applications.

top Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater

Takagi Propane Tankless Water Heater Reviews:

Takagi propane tankless water heaters are extremely useful for getting hot water instantly. The best part is that they do not consume a lot of energy that helps you save money on the billing amounts every month. Take it along on camping or traveling outside it will never run you out of hot water.

Looking for a powerful propane tankless water heater here is the best recommended for you to make it a bit easy for you to decide whether it is worth buying or not:

Takagi T-KJr2-IN-LP Indoor Propane Tankless Water Heater:

You are tired of loud water heaters than go for Takagi T-KJr2-IN-LP. It runs on propane and provides an endless supply of hot water to several showers at a time. It has a maximum flow rate of 6.6 gallons per minutes. It has the BTU of 140,000, which makes it a good water heater for residential use.

Takagi T-K4-IN-NG Indoor Tankless Natural Gas Water Heater

You should know that the propane water heaters work just like the natural gas water heaters. It is light in weight but efficient in providing hot water simultaneously. The unit offers temperatures of 150°F and above.

Takagi Tankless Water Heater Prices:

When it comes to buying the tankless water heaters, the homeowners want a heater that is not only efficient but is cheap as well. Price of a product is always related to its quality. But sometimes you get a product that is of high quality but is not expensive at all.

Takagi has been producing high-quality tankless water heaters for years. If you take a look at the prices you will come to know that the prices of Takagi products are a bit less than the other tankless water heaters available out there.

Whenever you need to buy a tankless water heater, consider other factors as well, along with the price. I have presented a detailed review of the best Takagi tankless water heaters so that you can end up choosing the right one according to your needs. If you want to know more about the pricing, then check it on Amazon.

Why should you choose Takagi?

Takagi always adopts new technologies to provide a better solution to customer problems. It always pays attention to safety so that the users can use the tankless water heaters without any fear.

Here is why you should choose Takagi tankless water heaters to install in your home:

  • Freeze protection system:

The freeze protection technology keeps the water temperature into the safety level. If it drops below the safety level, the heater will stop working and you may need to get professional help to repair it.

  • Overheat cutoff fuse:

When the water is heated up, it shuts off the heater.

  • Air-Fuel Ratio (AFR) sensor:

All Takagi tankless water heater models are equipped with Air-fuel ratio sensor to:

  • Adjust fan motor speed
  • Maintain combustion
  • Maximize water efficiency
  • Minimize gas emissions

Top 3 Best Takagi Tankless Water Heaters:

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