2 Takagi Tankless Water Heaters

Takagi Tankless Water Heater Reviews

Today’s society is all about less energy consumption and more environmentally-friendly products. Almost everyone is trying to use as little as they can from the natural resources while impacting very little the surrounding world.

What’s so special about tankless water heaters?

Tankless water heaters mean that you only get hot water when you need it- “on-demand.” There is no tank to collect the water and keep it hot (or at least trying to) until next time you need it.

As there is no tank to store the hot water, a tankless water heating system doesn’t need as much space as the traditional opponent. But that’s the cherry on top, as tankless water heaters mean less energy consumption and lower electricity bills. You don’t have a tank, and you don’t need electricity to keep the water hot inside the tank. It’s obvious why the tankless water heaters mean less energy and lower spending!

Even if tankless water heaters may seem a vital investment (the gas models are pricier than the electric units), they are all worth it in the long run. Some may require professional assistance, so add that to the final installation.

Durable (there’s no tank for water, which may affect the pipes and system) and dependable, tankless water heaters are the best choice for many.

What’s to say about Takagi?

The Japanese manufacturer Takagi has been developing innovative hot water solutions for more than 60 years now. It provides a nice variety of commercial and residential models that take the use for a very long time.

Takagi always supports its products and provides world-class service, thanks to the cutting-edge technology and the people working for Takagi.

Top 5 Takagi Tankless Water Heaters

   1. Takagi T-KJr2- Indoor, natural gas

Should you ever need a tankless water heater for your small apartment, the Takagi T-KJr2-IN-NG Indoor Tankless Water Heater is one of the best options to use.

The input for the unit is 40,000BTU, and the tankless water heater needs 120V for AC. It provides a 6.6GPM maximum flow rater, and the water connection is at the bottom.

It’s a cost-efficient and environmental friendly tankless water heater that is dependable in light residential and radiant heating applications. It uses natural gas and needs 4-in category III stainless steel venting.

The build is excellent, and the unit comes with thermistors at inlet and outlet so that it ensures constant temperature monitoring. The energy factor for the water heater is .81-.83, and you should get a scale inhibitor if the hardness of water is higher than 7.

The unit is also adjustable for different elevations, so make sure that you check the manual (very easy to follow, by the way). Should the altitude be higher than 6,000ft, you should call the technical department.

Here’s the list of positive aspects:

  • It’s an excellent option for a small apartment
  • It’s cost-efficient and environmentally friendly
  • It’s small, lightweight, and compact
  • It has settings for different altitude

Don’t change your mind over some inherent issues:

  • You may void the warranty if an adequately licensed technician doesn’t make the install
  • The risk for “cold water sandwich” isn’t null

For the reliable performance, features, and small design, the unit should be on your shopping list when living in a small apartment.

   2. Takagi T-K4- Indoor

Weighing only 38pounds and being only 13.8in, the Takagi T-K4-IN-NG Indoor Tankless Water Heater is a small and lightweight unit to install.

Don’t let the small size fool you though since the tankless water heater comes with a .82 energy factor, producing 8.6GMP. It has a smart design, and it includes temperature safety control and exhaust.

Thanks to the  11,000 to 190,000BTU input, the tankless water heater allows direct-vent conversion and it’s environmentally friendly as well. It can reduce your gas bill down to 45%. It’s strong enough to handle two and three bathrooms simultaneously. You may confidently install it in a mid-size house or an apartment with two-three bathrooms.

Thanks to its compact profile and lightweight build, the unit is effortless to wall mount. Operating it is also a breeze due to the remote control.

Reliable, durable, and silent, the tankless water heater is worth every single penny.

Here’s our take on the pros:

  • It’s small, compact, and lightweight
  • It can sustain a mid-size house or an apartment with three bathrooms
  • It runs quietly, and it’s dependable
  • It has excellent output, and it’s energy-efficient

The shortcomings shouldn’t stress you out:

  • The water temperature may drop at times
  • It’s better that you hire a plumber for the job

Try to stay focused on the positive aspects since there are so many, with the unit managing to be a dependable choice for many residential applications.

   3. Takagi Condensing Indoor tankless water heater

One of the best examples of how Takagi develops reliable and robust units is the Takagi T-H3-DV-N Condensing Indoor Tankless Water Heater.

Anyone looking for a commercial model shouldn’t skip it. It’s compact and robust, producing hot water endlessly. It presents a small shape that eliminates the worry for storage space.

The unit impresses with the computerized safety features, whereas the lack of pilot light appeals to many customers. It comes with Ultra-Low NOx emission grade since it was made concerning the environment.

You can confidently use the tankless water heater for four bathrooms in warm regions and three bathrooms in colder areas. The gas input is 199,000BTU, whereas the 10GPM flow rate sustains its commercial grade.

Despite its power, the unit runs quietly and only has a 55dB noise level. The installation is straightforward, and only PVC piping is required.

The tankless water heater is very well made, and it’s going to take the use for a long time. Since it’s a condensing unit,  nothing is wasted, and the energy efficiency is high.

Let’s check the positive aspects once more:

  • It’s suitable for household and commercial applications
  • It’s powerful and dependable
  • It’s compact and doesn’t take much space
  • It’s very well made and runs silently

Don’t make a tragedy out of the inherent flaws:

  • Be aware that you also need draining for a condensing model
  • It’s not the cheapest unit

The tankless water heater is rugged, dependable, and a wise investment to make in the long run.

   4. Takagi Condensing Natural gas- outdoor

The 59lb heavy Takagi T-H3S-OS-N Condensing High-Efficiency Natural Gas Outdoor Tankless Water Heater is what you’d call a lightweight tankless water heater. It uses natural gas, and it’s reliable for both residential and commercial applications. It’s highly effective and produces a consistent flow of hot water on demand. It also meets the environmental standards, since it’s an Ultra-Low NOx unit.

The tankless water heater is designed for outdoor install and has a gas input of 180,000 BTU. It’s strong enough to give hot water for three showers in a cold region and four baths in a warm climate.

The unit is made with commercial-grade copper allow, with the tube heating water 25 times better than other materials. The temperature ranges from 212 to 284F degrees within the heater.

We also need to mention the computerized safety features on the unit that protect it from freezing and overheating. The water heater also has troubleshooting diagnostic codes and surge protection.

Compact and lightweight, the unit is easy to fit in many storage spaces. You need to connect it to the gas line, which is typical for gas tankless water heaters. Remember that you can only install it outside, but that’s not a downside thanks to its sleek profile.

We should highlight the best parts:

  • It comes with several computerized safety features
  • It’s energy-efficient and dependable
  • It has a compact body, and it’s lightweight
  • It’s sturdy and runs quietly

The pet peeves aren’t significant at all:

  • You can only install it outdoor
  • It needs special venting for best performance

Even if the tankless water heater isn’t all roses and rainbows, its functional parts outweigh the bads, which should seal the deal for many.

   5. Takagi Heavy-duty T-M50 commercial grade natural gas water heater

Anyone searching for a tankless water heater for a hotel/business/restaurant should take a look at the Takagi T-M50 ASMENG Heavy-Duty. It’s an ASME Certified Commercial Natural Gas Tankless Water Heater and one of the best options for a restaurant or hotel.

The T-M50 series is designed for heavy-duty applications, and the unit is the largest Takagi model and one of the strongest in the tankless industry (14.5GPM). It’s a reliable option for commercial applications (restaurants, hotels, and so on) that need high demand.

It’s made with commercial-grade copper alloy, and it provides a “dual-combustion” system, which ensures redundancy for performance.

In a cold region, the tankless water heater can sustain four showers, whereas in warm climates it can sustain six baths simultaneously.

It’s a fully modulating tankless water heater that features a thick heat exchanger drum and commercial grade copper for the heat exchanger tubing. It also comes with an internal pump control and Easy-Link system that allows a connection of a maximum of four units. You can also use the Multi-Unit System which connects up to 10 units.

Let’s not forget to mention the safety features of the unit, which is protected against overheat, freeze, and surge. The troubleshooting diagnostic codes are also highly helpful.

We’ve shortened the best parts to the following:

  • It’s made for heavy-duty use in a commercial application
  • The heat exchanger uses a commercial-grade copper alloy
  • It includes several safety features
  • It’s robust, dependable, and durable

Bells and whistles aside, here are the inherent flaws:

  • You need to buy the gas regulator and adapting fittings
  • It’s not a cheap unit

Regardless of the minor problems, the tankless water heater is a wise investment to make for commercial use and quite the power horse within the tankless industry.

FAQs on Takagi tankless water heaters

Q: Do Takagi tankless water heaters need regular maintenance?

A: Takagi tankless water heaters are dependable in time, requiring little to none maintenance or repair. Nevertheless, you should go over the service requirements once a year to make sure that the performance is still dependable. Look in the Service and Installation Manual under “Maintenance and Service.”

Q: Are there any electric Takagi tankless water heaters?

A: Takagi water heaters are gas-fired units that can handle a whole household. You may find models that run on both propane and natural gas, with the majority of them using only natural gas.

Q: Do Takagi tankless water heaters come with a warranty?

A: All Takagi gas water heaters come with a 15-year heat exchanger warranty and a 5-year warranty for the general parts. There’s also a 1-year warranty for labor. Keep in mind that the industry average for heat exchangers is around 12 years or so.

Q: How many types of tankless water heaters does Takagi develop?

A: The majority of models come in versions for indoor, outdoor, and ultra-low Nox. A NI model is for indoor, whereas a U-I model is Ultra-low NOx, for indoor. A U-E model is going to be Ultra-low NOx, for outdoor/exterior use.

Q: What’s to say about the efficiency of Takagi tankless water heaters?

A: Takagi is relying on the UEF(Uniform Energy Factor) in terms of efficiency. It’s a rather new rating system that the US DOE developed in 2017. Some brands still use traditional EF, which is 2% to 4% higher than the UEF. Besides, many outdoor and indoor units present the same efficiency.

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