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Technologies and Performances

As a leading company of energy-saving air conditioner

The Dairei Ltd. was established in 1954. Based in Nagoya, we have provided these services; planning, design, installation, service and maintenance of air-conditioning installations, water supply, draining and sanitary system, freezing/refrigeration facility etc. We developed next-generation type of energy-saving air conditioner "Cool Jet System®" in 2007. As a leading company of energy-saving air conditioner, we conduct design and installation of energy-saving and low-cost air conditioner according to the purpose and size of the factory.

Energy-saving air conditioner "Cool Jet System®" is a registered system with Certificate of Utility Model Registration (Registration No.3146582)
"Cool Jet System®" developed by The Dairei Ltd. was registered as a next-generation energy-saving air-conditioning system with Certificate of Utility Model Registration on October 29,2008.
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Energy-saving air conditioner "Cool Jet System®" is a registered trademark (Registration No.5328361)
 
"Cool Jet System®" is trademarked as a name for energy-saving air-conditioning system developed by The Dairei Ltd.

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We will accommodate to air-conditioning system in every factory and take advantage of accumulated know-how

The Dairei Ltd. has worked actively on the countermeasures against heat making use of our achievements in the insulation coating, insulation panel etc. With regard to "Cool Jet System®", we conduct efficient and low-cost design and installation through careful analysis of current state and effect measurement taking advantage of accumulated know-how. We can also accommodate our products to the overseas plants as well as the plants in Japan.

We will respond to the requests from the factory with heat issues
"Cool Jet System®" was developed according to the opinions from the field; requests from a factory with heat issues in the operation area where the temperature rose to 40 degrees or more because of the heat of the peripheral equipment and furnace. We have eliminated various problems which had lacked a definitive solution; such as the reduction of work efficiency and onset of heatstroke caused by the heat in the work environment with high temperatures like the heat treatment plant or die casting plant, and thus we have gained good reputations.
We have worked on a joint development with Kamakura Seisakusho CO.,LTD. and TANIYAMA CO.,LTD.
Concerning Cool Clean Fan and Induced Draft SF Fan which are the pivots of "Cool Jet System®", we have worked on product improvement as a joint development with Kamakura Seisakusho CO.,LTD. and TANIYAMA CO.,LTD. to realize the air-conditioning system equipped with superior operability and more efficiency.
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Our major installation record

Customers Objectives
Denso Chubu Corporation (Denso Corporation Nishio Plant) Heat measurement, ventilation improvement
Denso Chubu Corporation (Denso Corporation Anjo Plant) Heat measurement, ventilation improvement
CMWI Heat measurement
Aichi-ken, "a certain place" Meat center Dismembering factory Heat measurement
Toyota Industries Corporation Takahama Plant Heat measurement
Toyota Industries Corporation Kariya Plant Heat measurement