Danrei Corporation

Established as Danrei Kogyo Co., Ltd.

Started production of fan coil units, convectors, baseboard heaters, and cooling towers at the Mito Plant.

Started production of air-handling units.

Opened the Sendai Sales Office.

Opened the Utsunomiya Sales Office.

Developed the “Vent Fan” duct ventilation fan for mid- and high-rise housing.

The Mito Plant was spun off as an independent company, Mito Danrei Kogyo Co., Ltd.

Began large-scale deliveries of duct ventilation fans to the Japan Housing Corporation (now the Urban Renaissance Agency).

The “Vent Fan” became Japan’s No. 1 duct ventilation fan for mid- and high-rise public housing.

Developed a “booth-style range hood fan” for high-rise housing.

Developed “Danflap,” an airflow control mechanism for centrifugal fans.

Started production of air-handling units for VAV (variable air volume) systems.

Developed an air purifier.

Significantly expanded factory facilities and upgraded production equipment.

Developed an automatically retracting roll filter.

Developed the “IC Controller” and “Manofloater” automatic airflow control devices.

Built a new plant dedicated to air-handling units.

Expanded the plant dedicated to large fans and began mass production of general-purpose, single-inlet, multi-vane fans.

Began mass production of forced supply-and-exhaust range hood fans.

Developed a forced supply-and-exhaust fan for the “Flat Core System,” a ventilation, hot water, heating, and cooling system for high-rise residences.

Developed a “CPU Controller” and an “Electronic Manoflota.”

Developed a DDC system air handling unit.

Expanded the dedicated air handling unit factory.

Began mass production of an electronically controlled thermo-controller compatible with HA (home automation).

Began mass production of compact air conditioning units.

Developed a ducted heating and cooling system.

Developed a heat recovery ventilation and outdoor air treatment unit.

Announced a new model of fan coil unit.

Developed the “New Flat Core System,” a central ventilation unit for high-rise residences.

Announced a continuous low-volume ventilation system for entire residences.

Announced a new model of forced supply-and-exhaust range hood fan.

Announced a new model of stainless steel range hood fan.

Obtained certification to ISO 9001, the international quality assurance standard.

Announced new models of center-hood and wall-mounted range hood fans.

Announced supply-and-exhaust types of center-hood and wall-mounted range hood fans.

Transitioned to the 2000 edition of ISO 9001, the international quality assurance standard, and completed renewal of the certification registration.

Completed a ventilation fan demonstration facility modeled on a highly airtight condominium.

Began tests in a test room with airtightness matching that of an actual super-high-rise condominium, including simulations of simultaneous operation of local and continuous ventilation. Visitors can experience changes in indoor-outdoor pressure differences with Type 1 and Type 3 ventilation systems, as well as the resulting differences in the force required to open and close entrance doors.

The head office was relocated to Dai-2 Nagaoka Building, 2-8-5 Hatchobori, Chuo-ku, Tokyo.

The Sendai Sales Office was relocated to Prosper Honda, 1-16-8 Kamisugi, Aoba-ku, Sendai.

The latest “design food,” championing neo-authentic design, was unveiled.

The new DCR-KV and KW series of ceiling-suspended cassette-type fan coil units were unveiled.

Transition to the 2008 version of ISO 9001, the international quality assurance standard, was implemented, and the revised certification registration was completed.

The head office was relocated to Maeda Central Building, 3-3-2 Minato, Chuo-ku, Tokyo.

The range hood fans were redesigned. Deliveries of the FFUS, SFUS, and NUS series, and the FFSES, SFSES, and SECS series began.

Production of fan coil units with built-in DC motors began.

Production of server cooling units began.

The compact air conditioner was redesigned.

The range of plug-fan-integrated models was expanded.

Production began of forced-supply-and-exhaust range hood fans with a built-in DC motor and a one-motor, two-fan configuration.

Production began of forced-supply-and-exhaust range hood fans with a two-motor, two-fan configuration.

A new warehouse building was constructed to accommodate increased air conditioner production.

A supply-air fan filter unit with a built-in DC motor was unveiled.

Production began of range hood fans equipped with linear LED lighting.

Transition to the 2015 version of ISO 9001, the international quality assurance standard, was implemented, and the revised certification registration was completed.

Production began of air-cooled heat-pump air conditioners for cold regions.