Takagi Tankless Water Heater Reviews For 2019

Today, our takagi tankless water heater reviews is going to help you pick the best tankless water heater from this brand. Although there are other companies into the making of tankless water heaters but every brand is unique in their own way.  Likewise the same people demand for product from company in line with what they think about the standards and quality of such brand. However, for those who really likes Takagi brands love purchasing their hot water heater from them because of the satisfaction their product gives.

For those who just want to buy a tankless water heating unit newly, it will be a great privileged to introduce you to Takagi water heaters. This company has units that deliver instant and continuous hot water on demand.  Their products are energy efficient as well and these are some of the reasons, why we at consumerhome.org pick interest to put the selected water heaters system from the brand in front of our admirable audience. So if you can be patient with us, then the following reviews and concise discussion will convince you to pick takagi water heater without any concerned.

Top 5 Best Takagi Tankless Water Heater Reviews 2019

Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute

Takagi Tankless Water Heater Reviews

For most people, product listed in the first position seems the best choice to them, well in this case, I will agree with you. Takagi T-H3-DV-N Condensing is one of the hot and best selling tankless heaters for indoor hot water needs and many reasons from the features down to customer’s reviews account for its relative value among others products. However, if you live in that house where space is one of the major battle lines, then picking this Takagi T-H3-DV-N unit won’t be a speculation but bold decision. Reason, the unit comes in a compact and not too big foot print for small spaces installation.

Beautiful thing, you’ll get unending flow of hot water whenever on demand and the same time enjoy reduce gas consumption as an energy conservation product. With this unit, there is no pilot light to worry about and most relevantly, fully installed with computerized safety features rarely to find in most competitive unit. Furthermore, this takagi unit runs with the use of natural gas which is more economical to electricity.

More so, Takagi T-H3-DV-N Condensing High Efficiency gas system release hot water up to ten gallon per minutes and this reasonable high volume if you are truly looking for a unit that supply high demand of water within a short time.


  • Gas powered water heating system
  • Highly efficiency in performance
  • Programmable safety features
  • Get up to 10 gallon of hot water in one minute
  • Meets 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions    

Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas

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

While navigating amazon websites looking for the next best available tankless hot water heater from the Takagi manufacturing company, this unit Takagi T-KJr2-IN-NG came in the picture.  This product is also designed for indoor installation like the previous one and also uses gas in its operation and also energy efficient. So worry about energy cost is not a problem if you pick Takagi T-KJr2-IN-NG today to provide you hot water for your home. Feature a 6.6gpm maximum water flow rate, however, no high water pressure movement that can result to hot water spillage.

One unique feature, equip with Inlet and Outlet thermistors for continuous temperature monitoring ensuring water heating degree level doesn’t drops below the required. However, to install this tankless water heating device, you’ll need 4 inch sized stainless steel venting.

To summary this product, I’ll recommend if for those living in smaller apartment but if you think your hot water demand is on the high side, consider getting the Takagi T-H3-DV-N Tankless Water Heater, 10-Gallon Per Minute.


  • Energy rated
  • Bottom water connection
  • 6.6 GPM highest water flow rate
  • Constant temperature monitoring

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

Takagi T-KJr2-IN-NG Indoor Tankless

The T-K4 is an upgrade of the first product reviewed above which is the T-K3 model and this upgraded version feature a more smaller and compact design compared to its predecessor.  It weighs only 38 pounds and measures 13.8 inch in width. This ultra compact criterion makes it possible for easy mounting on walls. In addition, the Takagi, newest tankless hot water heater has an energy factor of 0.82, making the T-K4 efficient unit and also friendly to home environment.

To be able to use this device, you’ll need a professional to install it unless you know a bit of tech knowledge in heating system installation. I will further recommend this gas powered takagi hot water unit on demand to for homes of 2 to 3 bedroom capacity.


  • Ideal for homes with three bedroom capacity
  • 0.82 energy factor
  • 8.0 GPM max flow rate
  • Exhaust and water temperature safety control

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

Takagi T-KJr2-OS-NG Outdoor Tankless Water Heater

If you’re looking for an outdoor tankless heater, Takagi T-KJr2-OS-NG Outdoor is one unit to check out for. The manufacturer design it to be install outside of your building and this also helps save indoor spaces for those with limited space inside their home but yet want a water heater supply unit. Although, it’s an outside unit but still a tankless unit and also works with natural gas fuel unlike electricity models know for increasing electricity bills. With this 6gpm flow rate capacity you can’t run out of hot water supply, as you want it so its provides.

Most significantly, perfect for large home use and you can turn on more than one point of use simultaneously without reducing the rate at which the unit supply water. Connection of the Takagi T-KJr2-OS-NG is not a big deal, require simple steps that any one with little tech know can install by himself.

To conclude the review of this takagi T-KJr2 model, one amazon customer said; only require flushing once in a year. This however, means, low maintenance cost.


  • Energy efficient
  • Good water flow rate
  • Outdoor installation
  • Supply plenty of hot water anytime 

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

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

Although, we’ve discussed one Takagi T-K4 model but that one is an indoor model. However, people who still like the Takagi model but want it install outside of their house can consider this T-K4 outdoor. With this one, you have all the spaces to install it outside the home to save you space and convenient. This takagi hot water supply unit does not require venting but feature built-in freeze protection.

Also available in this last but not the least performing unit in this takagi tankless water heater reviews is thermistor for consistent checking of temperature.

Also, with an amounted water flowing rate, Takagi T-K4-OS-NG gas-powered tankless heater powerfully supply two point of use water at the same time.


  • Reasonable priced
  • 8.0 GPM max flow rate
  • No venting required
  • To be install outside the house
  • No much maintaining unit requirement
  • Gas powered innovation helps saves up to 40% on energy bills monthly.

Final Words

In conclusion, if you are sick of your traditional water heater and you’re searching for a tankless water heater to purchase but yet still confuse, I’ll suggest you read through Takagi tankless water heaters discussion for consumers that will show you unbiased reports on each unit.  All of the water heaters on the lists are gas powered and energy efficient products. They are also environmental friendly. I hope this guide will be of great benefits to you.