STRENGTH

​7 Key Strengths of Koukandekirukun

• STRENGTH 1

  Trust and achievements
  built since 2001

  

  "Koukandekirukun" was a pioneer in the industry, launching online photo-based quotation services in 2001, which was revolutionary at the time.
  Since then, we have leveraged our accumulated expertise in "IT × residential equipment replacement" to relentlessly pursue service innovation and improvement.

  

• STRENGTH 2

  An e-commerce site with an overwhelming amount of information

  

  The strength of Koukandekirukun is that you can choose from genuine manufacturer products for a wide range of residential equipment, including water heaters, toilets, stoves, and other daily necessities.
  This is an e-commerce site specializing in replacement work, providing an overwhelming amount of information (over 50,000 pages) and highly original content.

  

• STRENGTH 3

  Quick estimates without on-site inspections

  

  To request a quote, simply send us the model number and photos of the equipment currently installed.
  Since no on-site inspection is required, we can provide a speedy estimate.

  

• STRENGTH 4

  "Complete Service Pack"
  Clear and transparent pricing with no additional charges

  

  The "Complete Service Pack" of "Koukandekirukun" includes all miscellaneous expenses, such as basic installation costs as well as costs for disposing of existing equipment and parts.
  We provide a clear total estimate, including the product price and the Complete Service Pack. There will never be any additional charges after the estimate is finalized without prior notice.

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• STRENGTH 5

  Responsible istallation by residential equipment engineers

  

  This is why we can take full responsibility for installation work from start to finish. Additionally, our engineers are either full-time employees or carefully selected partner engineers who have passed our rigorous screening process.  This is why we can take full responsibility for installation work from start to finish. Additionally, our engineers are either full-time employees or carefully selected partner engineers who have passed our rigorous screening process.
  For newly joining engineers, we conduct thorough screenings, including identity verification, certification status, experience, and technical skills. In addition, we place great importance on their professionalism, evaluating their manners, attitude, and overall approach to their work.

  

• STRENGTH 6

  Koukandekirukun offers a free 10-year warranty on all products! The ultimate cost-performance guaranteed

  

  Koukandekirukun offers a long-term 10-year free warranty on both products and installation.  This innovative service  was made possible because we have absolute confidence in the quality of everything from our service, products, installation, and after-sales support service, and it will not only increase customer satisfaction but also greatly contribute to the SDGs.

  *For more information on SDGs initiatives, please click here.
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• STRENGTH 7

  Service expansion across 7 metropolitan areas

  We provide services in major regions across Japan, including Kanto, Kansai, Tokai, Sapporo, Sendai, Chugoku, and Fukuoka. 
  The service area is continuously expanding.