Notice: HFO2021 will be held as a virtual conference


To register, please click on Online Registration (Website will open from March,2021). In order to attend this conference, you must complete online (web) registration and settle payment.

Registration will be completed only with full payment.

Full payment of registration fee must be made by each registration category's payment deadline. To apply Early-bird registration fee, please complete your both registration and payment by April 30, 2021.


  Early bird
Until Apr.30 2021
On and After May.1 2021
ORACIA members & sponsors
30,000JPY 40,000JPY
Members of organization or Scientific
30,000JPY 40,000JPY
Regular 40,000JPY 50,000JPY
Students 25,000JPY 35,000JPY

Articles without author registration will not be published in Proceedings.



Fee: without charge

Date &Time: 17th June, 2021 on the web (under consideration)


All payments must be made in Japanese Yen (JPY) by credit card through Online Registration.

Registration will be completed only with full payment.

Full payment of registration fee must be made by each registration category’s payment deadline.

To sign up with Early-bird registration fee, please complete your payment by April 30, 2021.

If you have completed your registration and payment, you can download your payment receipt from your my page.

After logging in to your my page from the link below with Registration ID and password, “Receipt” button appears on the top of your page.

For those who have completed the payment by Bank transfer, receipt button will appear on the system once we confirm your payment.

Credit Card:

*Available Credit Card: VISA, Master Card, American Express and JCB.

*Drawer of this online payment transaction will be "Kinki Nippon Tourist Co., Ltd. / KINTETSU INTERNATIONAL".

However, the company name might be slightly changed depending on the card company.

*Please use a credit card which is valid at least until the end of September, 2021.

*Once the payment is completed, a payment confirmation e-mail will be sent to you.

Cancellation Policy & Cancellation fee

[Conference Registration]

Refund of payments for your registration will be made if written notification reached the Conference Registration Desk as follows:

  • Until Apr.16 2021 (GMT +9) – 50% refund
  • From Apr.17 2021 (GMT +9) – No refund

The date and time of the change and cancellation will be based on the working hours (Monday – Friday 9:30 a.m. – 5:00 p.m. (Japan time) We are close on Saturdays, Sundays and National Holidays). After working hours, cancellation will be made next day, which may incur charges.

Refunds will be made before the conference upon with deducting credit card service charges and the cancellation penalties.

If payment was made by credit card, refund will be made to the same credit card.

Refund will be made to the same credit card as the one payment was made by.

HFO2021 Conference liability limitation

In the event of an industrial disruption or natural disaster, The 2nd IIR International Conference on HFOs and Low GWP blends, the Organizing committee, management and service providers and supporting organizations do not accept responsibility for any financial or other losses incurred by Exhibitor companies, personnel and conference delegates, - further indicated as participants -, neither for injury or damage to persons or property occurring during or related to the HFO2021 conference. All insurance, including medical cover, or expenses incurred in the event of the cancellation of HFO2021 are the responsibility of the participant.

Terms and Conditions*

Please read the following “Terms and Conditions” before making registration.

  • KNT process personal information in accordance with the privacy policy.
  • KNT and commissioned companies shall use personal information entered in the registration form to contact the applicant, and shall also use the information within the scope necessary for arranging and providing the applied services.
  • Copyright of official images and photographs covering the event and their usage right on Mass Media belongs to the organizer.

<<<<Close >>>>
Early-bird Deadline: Apr. 30 2021 (Japan Time)
Registration Deadline: 05:00p.m. Jun. 18 2021(Japan Time)

Click for Registration

If you have any inquiry, please contact us by e-mail to (


KNT-CT Global Travel CO., LTD.

Address: Sumitomo-shoji Kandaizumi-cho Bldg., 12F, 1-13 Kandaizumi-cho, Chiyoda-ku, Tokyo, 101-0024, Japan


Phone: +81-(0)3-6891-9354

Office Hours: 9:30 am to 5:00 pm from Monday to Friday
Closed: Saturdays, Sundays and national holidays (Japan time)

Certified Travel Service Manager: Masayuki Miyawaki(Mr.)

A Certified Travel Service Manager is responsible for supervising all transactions at the sales office where your travel arrangements are made. If you have any questions about your travel contract, please feel free to contact the managers specified above.

Planning & Operation

Sales Department 5, Kinki Nippon Tourist Corporate Business Co., Ltd.
c/o Akino Hanasaki(Ms.)/ Kana Nagashima (Ms.)

Registration Number: Japan Tourism Agency No. 1944
Full member of Association of Travel Agents
Member of the Compensation Security Bonds System
Member of Travel Agency Fair Trade Council
Address: Sumitomo-shoji Kanda-Izumi-cho Bldg., 12F,
1-13 Kanda-Izumi-cho, Chiyoda-ku, Tokyo, 101-0024, Japan
Tel: +81-3-6891-9305 / Fax: +81-3-6891-9405
-Office Hours-
Monday – Friday 9:30 a.m. – 5:00 p.m. (Japan time)
Closed: Saturdays, Sundays and national holidays

Privacy Policy

Sales Department 5, Kinki Nippon Tourist Corporate Business Co., Ltd.
Privacy Manager: Masato Hiruma(Mr.)
TEL: +81-3-6891-9305

Important Dates

Paper Submission

Abstract Submission
November 15, 2020
Deadline: 05:00 p.m., November 29, 2020 (Japan time)
Notification of abstract acceptance
December 20, 2020
Manuscript submission
January 31, 2021
February 15, 2021
Deadline: 05:00 p.m., Febuary22,2021 (Japan time)
Notice of Manuscript Acceptance
early April
Final Manuscript Submission Deadline
April 30, 2021


Registration open
Started at the Mar. 12 2021
Early-bird Registration
Deadline: Apr. 30 2021
Registration Deadline
Jun. 18 2021