Our Heritage


Takagi enjoys a rich heritage. From its establishment in 1946 to the present, Takagi Industrial Co. has been striving constantly to develop valuable products directly linked to individual’s lifestyles. Below is a brief history of Takagi Industrial Co.
1946
Takagi Machinery Co. is established in Fuji-city, Shizuoka, Japan.
1952
Takagi Machinery Co. establishes a new subsidiary, Takagi Industrial Co. It is here where the first prototypes of a tankless water heater are designed and manufactured.
1963
Takagi develops its first automatic ignition system for a gas water heater allowing for the first time the ignition to be completely automated.
1970
Takagi Industrial Co. develops a revolutionary automatic gas control valve system.
1980
Marked a milestone in the tank-less water heater industry when Takagi Industrial Co. develops a computer modulating gas valve and safety system for its tankless water heaters.
1982
Takagi manufactures its first fully computerized controlled gas water heater.
1991
Takagi Industrial Co. develops its first multi-gas water heater system, the T-M1, primarily designed to accommodate industrial applications.
1995
Takagi Industrial Co. USA, Inc (Takagi USA) is established and based in Tustin, California.
1997
Takagi USA releases a tankless water heater for the first time in the US market, the T-K1. Small in stature but certainly not small in output the T-K1 produced 5.3 gallons per minute.
2000
Designed for residential or commercial applications and standing only 24.5 inches, Takagi USA introduced the Mobius T-M1 which can produce an amazing 9.6 GPM.
2001
Takagi USA released its third model in its product line, the Flash T-K2, for the standard North American housing system.

2001
Understanding the needs of its customers, Takagi USA releases its fourth model, the TKD-20, designed for the more energy conscious owner.

2001
Marked another milestone in the history of Takagi as Takagi USA opened up its second office in Pennsylvania.
2002
Takagi USA expands its operations by leaps and bounds by moving into its current Irvine location and opening a Chicago office and a Canada office.
2003
Takagi USA releases its fifth unit, the T-K Jr. At only 20 inches tall, the baby of the Takagi line produces an amazing 5.8 GPM.
2004
Takagi USA proudly introduces the newest member T-K1S with high efficiency level, producing an amazing 7.2 GPM.

2004
By the end of 2004, Takagi USA proudly introduces T-H1 the biggest and the highest efficiency tankless water heater in the lineup. With over 95% efficiency, T-H1 produces an amazing 10.5 GPM.
2005
Takagi USA expands its operations by leaps and bounds by moving into a larger facility (approximately 31,000 square feet) located at 5 Whatney, Irvine, California 92618.
2006
Takagi USA expands its staff and continues developing new products.

2007
Takagi USA launches the T-K3 model, one of Takagi's smallest, most versatile and powerful residential units. This heater allows one to connect up to four units without the use of a control unit.

2007
Takagi USA releases its T-M199, a fully modulating gas fired on-demand water heater with sealed combustion (optional) power vented flue. This powerful unit can be used with or without recirculation system piping, hydronic systems, radiant floor heating, and combined domestic water and heating systems.

2007
Takagi USA launches two Recess Boxes, the TK-RB01 and TK-RB02.

2007
Takagi USA launches the TK-3-OS, a model specifically designed for outdoor use only.

2008
Takagi USA launches the T-M50 (including an ASME model), a commercial model specifically designed for "heavy-duty" applications. The T-M50 is the most powerful and durable tankless unit on the market and generates up to 14.5 GPM/Max. The T-M50 uses HRS35 copper alloy, a dual combustion system, a thicker heat exchanger drum and much more.

2008
Takagi USA launches the T-M32 (including an ASME model), a commercial model specifically designed for "heavy-duty" commercial applications and generates up to 9GPM/Max . It was designed as a smaller and lighter model and can manifold up to 20 units with a Multi-Unit System, generating up to 180GPM.

2008
Takagi USA launches the T-K-3-Pro, a commercial model specifically designed for light commercial applications and generates up to 7GPM/Max.

2009
Takagi USA celebrates 15 years of business in the United States.

2009
Takagi USA launches the T-H2 available as a Direct Vent (DV) model only and as a Outdoor (OS) model only. the T-H2 is Takagi's 2nd generation high effciency tankless model that generates up to 9GPM/Max and 4 units can be easy-linked to generate 36GPM/Max. The T-H2-DV is capable of being vented using PVC allowing 0" clearance to combustibles.