Takagi has been a trusted name in water heaters since Founded 1946, based in Japan. The brand is particularly known for Pioneer of tankless water heating in North America with T-series condensing and non-condensing models featuring copper heat exchangers. Takagi is positioned in the premium price tier, making it a premium investment for water heaters.
Takagi Water Heaters
Takagi manufactures condensing and non-condensing tankless water heaters for residential and commercial applications. The T-H3 and T-H3S are their flagship condensing models with up to 0.95 UEF. Commercial models support cascading for high-demand installations.
PremiumTop-tier materials, design, and warranty
Takagi Water Heaters Product Lines
T-H3 CondensingT-H3S CondensingT-D2 Non-CondensingT-M50 CommercialT-M199 Commercial
Why Choose Takagi for Water Heaters?
Takagi stands out in the water heaters market because of Pioneer of tankless water heating in North America with T-series condensing and non-condensing models featuring copper heat exchangers. Their products carry 3 industry certifications, including Energy Star, UL Listed, CSA Certified, giving homeowners confidence in quality and compliance. Takagi backs their water heaters with a 12-year heat exchanger; 5-year parts (residential), which shows commitment to long-term reliability. With 5 dedicated product lines — T-H3 Condensing, T-H3S Condensing, T-D2 Non-Condensing, T-M50 Commercial, and more — there's a Takagi option for virtually every need and budget.
Certifications & Standards
Energy StarUL ListedCSA Certified
Warranty & Support
Warranty12-year heat exchanger; 5-year parts (residential)
Phone Support1-866-356-2078
Official Websitehttps://www.takagi.us
Where to Buy Takagi Water Heaters
Water Heaters How-To Guides
View All →How to Adjust Water Temperature
Set your gas or electric water heater thermostat to the right temperature for comfort, safety, and lower energy bills -- plus how to verify the actual output with a thermometer.
How to Choose the Right Size Water Heater
Calculate the right water heater size so you never run out of hot water -- covers first-hour rating for tanks, GPM for tankless, quick sizing charts, and the mistakes that leave people taking cold showers.
How to Flush Your Water Heater
Flush sediment from your tank water heater to cut energy bills, eliminate rumbling noises, and add years to its life -- the most important maintenance task most homeowners skip.
Common Water Heaters Problems
View All →Leaking Water Heater
Water around the base demands immediate attention -- floor damage, mold, electrical hazards. Could be loose fittings, a failing T&P valve, a bad drain valve, or a rusted-through tank that needs replacement.
No Hot Water
No hot water from any fixture? Cause depends on gas vs. electric. Common culprits: pilot light out, tripped breaker, failed element, faulty thermostat or gas valve.
Pilot Light Won't Stay Lit
Lights but will not stay lit? Almost always the thermocouple -- a safety sensor that detects the pilot flame. When it fails, the gas valve shuts off. Straightforward DIY repair, under $25.
Water Heaters Types
View All →Water Heaters Buying Guides
View All →Takagi Water Heaters FAQ
Is Takagi a good brand for water heaters?
Takagi is a Japanese manufacturer of tankless water heaters with US headquarters in Irvine, California. Founded in 1946, Takagi was one of the first companies to bring tankless water heater technology to North America. Known for their T-series models with copper heat exchangers, computer board diagnostics, and outdoor installation capability.
What warranty does Takagi offer on water heaters?
Takagi offers 12-year heat exchanger; 5-year parts (residential).
Where is Takagi made?
Takagi is based in Japan, headquartered in Irvine, California (US HQ); Fuji City, Japan (Global HQ).
What price range does Takagi water heaters fall into?
Takagi is positioned in the premium price tier for water heaters. You pay more but get superior quality, materials, and warranty coverage.
What water heaters product lines does Takagi offer?
Takagi offers 5 water heaters product lines: T-H3 Condensing, T-H3S Condensing, T-D2 Non-Condensing, T-M50 Commercial, T-M199 Commercial.
What certifications does Takagi have for water heaters?
Takagi holds 3 certifications including Energy Star, UL Listed, CSA Certified.