energy saving device in refrigeration cycle

About Us

Company Organization Change

We started Miracle-coil business by launching ETE Ltd..
However, as announced in the news, in August 2019, the Company merged with its parent company ETA K.K. in order to expand its business base.

The business has been succeeded by the environment division of ETA K.K..
Information on the coil business will be released on this site <> as before.

Click here for information on other businesses of ETA K.K..
(Japanese language only)

Division Policy

  • To achieve the sustainable environmental improvement (by power saving) and contribute to society, on global scale
  • To establish core technology that is loved by customers over a long period of time
  • To remain a friendly company to the earth and all living creatures

“Miracle Coil” will help to improve the global environment …

Access to Head office/Development center

■Address 86-1 kashiai, Fukaya, Saitama 366-0817 Japan

■Train ・About 10 minutes by taxi from Fukaya station north entrance JR Takasaki Line

■Car ・From Kanetsu Expressway Hanazono IC towards Fukaya, about 3.5km after turning to left at [Tanaka north] Intersection of National route 140 bypass

※Parking space: about 10 cars
※Along Yorii Prefectural road(Line 62)

Business history

Aug. 2019 Merged with parent company ETA K.K.
Coil business was succeeded by the Environment Division
Apr. 2017 The number of installed coils reached 700
Apr. 2015 Moved Head office to IOC-honjowaseda. Changed Japanese company name from E · T · E Corporation to ETE Corporation and set English company name as ETE Ltd..
Jun. 2014 Accredited as Heisei 25 fiscal year supplement “New business activities in manufacturing, commerce and service by SMEs and Small/Micro Enterprises”
Jan. 2013 Received “Environmental Business Women Award” of “eco japan cup 2012”
Sep. 2012 Accredited as Management innovation plan from Saitama Prefecture Theme name: Development, manufacture and sales of “Miracle Coil” which contributes to power saving and CO2 reduction of air conditioners/freezers/refrigerators
Jan. 2012 Moved head office to Fukaya City
2011~2012 Succeeded in demonstration of energy saving effect of spiral coil
May 2010 Signed the agreement concerning licensing of shared patents etc. on coil business
Sep. 2009 Saitama Prefecture Next Generation Automotive Technology Development Support Project “Development of Energy-saving Air Conditioner Using Spiral Tube Expander” was adopted under the support of “Research Promotion Organization of Honjo International Research Park”
Jun. 2009 Joined in “next-generation mobility area management study group” in Public Interest Incorporated Foundation “Research Promotion Organization of Honjo International Research Park”
Mar. 2009 Established E・T・E Corporation in Honjo City to increase efficiency of coil business


If you are troubled with power saving measures, please do not hesitate to contact us TEL 81-48-574-7655 9:00 - 17:00(except Saturday, Sunday and holidays)

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April 2024
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