Looking for that perfect tankless water heater to solve your hot water issues? Well, in this guide we go over a few models of Takagi tankless water heater reviews. Takagi is manufactured in Japan and is known for producing high-quality tankless water heaters. In fact, several of the best tankless water heater brands are from Japan.
Takagi offers many options with their on-demand water heaters. They have models for (LP) liquid propane as well as natural gas. Condensing or non-condensing with indoor mount and outdoor mounting. They also have models for every budget and demand for hot water.
The less expensive models are ideal for smaller homes with only a couple bathrooms and provide 6.6 gallons per minute. The Takagi T-H3-DV-N Tankless Water Heater provides the most hot water at 10 gallons per minute. Takagi makes some of the best gas tankless water heaters on the market for the money.
Takagi Indoor Natural Gas On-Demand Water Heaters
Our reviews here, cover only the indoor mount natural gas models. There’s not much differences in the actual internal workings of the units, when it comes an LP or outdoor mount. Just different fuels and mounting locations or venting. To make sure the warranty is valid they require their units to be installed by licensed professionals.
Takagi T-KJr2-IN-NG Gas Tankless Water Heater
This Takagi T-KJr2-IN-NG eco-friendly on-demand tankless water heater will give you hot water for as long as you need at 6.6 gallons per minute. There’s no tank to run out of hot water. This Takagi tankless water heater is compact and efficient, providing 140,000 BTU’s.
This indoor Takagi water heater is ideal for radiant heating or smaller residential applications with families of 3-5 with no problem. This model is the smallest on-demand tankless water heater offered by Takagi. With it’s small size and being wall mounted, you can really free-up some space. There is no tank or boiler for storing water in this unit.
With it’s affordable price and free shipping, it would make a great weekend project for the DIYer. This model is also available for an outside mount/location application as well as an LP indoor model Takagi T-KJr2-IN-LP and LP outdoor model Takagi T-T-KJr2-OS-LP.
- Dimensions: 6.7 x 13.8 x 20.3 inches
- Weight: 38 pounds
- Fuel Type: Natural Gas
- BTU’s: 140,000
- Gallons per minute (GPM): 6.6
- High-quality and efficient
- Easy to install for average DIYer
- 120-V wired panel for temperature ajustment and readouts
- Affordable price
- Detailed manual for installation
- Great customer feedback
- Warranty only valid if installed by professional contractor
- Exhaust pipe needed sold separately
Takagi T-K4-IN-NG Gas Tankless Water Heater
This Takagi T-K4 tankless water heater is the upgraded version of the older T-K3 model. This indoor Tagai T-K4 has an impressive 8 GPM with 190,000 BTU’s. This model is ideal for the average home with 2-3 bathrooms. The Tagai T-K4 provides enough hot water for one more bathroom over the previous reviewed T-KJr2 unit. Here’s the Outdoor version of this model Takagi T-K4-OS-NG if you need it.
- Dimensions: 8.5 x 13.8 x 20.5 inches
- Weight: 43 pounds
- Fuel Type: Natural Gas
- BTU’s: 190,000
- Gallons per minute (GPM): 8
- Great Price
- Endless hot water/ run two showers at one time
- Compact and efficient
- Reasonable DIY install
- Built to last
- Listed flow rates may be slightly off
- Stainless steel exhaust vent sold separately
- Not the best customer service
- Warranty voided if not installed by licensed contractor
Takagi T-H3-DV-N Gas Tankless Water Heater
Rounding out our reviews of Takagi tankless water heaters, is this Takagi T-H3-DV-N indoor mount. It’s the largest capacity so far delivering 10 gallons per minute. This is ideal for larger homes and higher demand for hot water. It’s rated for four bathrooms in southern climates and three bathrooms in northern climates.
Is fueled with 199,000 BTU’s of natural gas for plenty of on-demand hot water. The Takagi T-H3-DV-N tankless water heater is compact, space saving and energy conserving. It’s designed for indoor mount only and has computerized safety features.
- Dimensions: 11.2 x 17.8 x 24.9 inches
- Weight: 59 pounds
- Fuel Type: Natural Gas
- BTU’s: 199,000
- Gallons per minute (GPM): 10
- High BTU’s
- 10 gallons per minute
- Direct vent
- Takes several minutes for hot water to get to facet
- Issues with heat exchanger leaking
- Error code issues may happen
If you are looking for on-demand hot water, Takagi makes some of the best tankless water heaters. Switching from a standard tank model will have additional upfront costs. Over time it’s made up in savings from efficiency and water usage. Tankless water heaters should also last twice as long as a regular tank water heater. There are pros and cons of tankless water heaters that you should consider.
We hope after reading our Takagi tankless water heater reviews you have a better idea of your options. Be sure to check back as we’re always adding new product reviews.