Web conference program is now available here
If you have not received your log-in information, please contact iaqvec2023@gmail.com with your registration number.

Participation fee
Classification / Items Amount (Early bird) Amount
Regular 80,000 JPY 90,000 JPY
Online Regular 70,000 JPY 70,000 JPY
Student (copy of student ID is required) 40,000 JPY 45,000 JPY
Online Student 35,000 JPY 35,000 JPY
Accompany Program
Classification / Items Amount
Registration 20,000 JPY
Sightseeing trip in Tokyo (May 22nd) 15,000 JPY
Optional Items
Classification / Items Amount
Banquet Ticket (May 22nd) 15,000 JPY
Excursion Event (May 24th) 10,000 JPY

*See information page for details on the Sightseeing trip and Excursion Event

Please note that there will be no refunds for cancellations made within 7 days of the start of the event.

Package for Regular registration includes
 • Conference kits
 • Attending all Scientific program
 • Lunch and coffee break
 • Welcome cocktail
 • Banquet is included

Package for Accompany Person registration includes
 • Attending Opening and Closing Ceremony
 • Lunch and coffee break
 • Welcome cocktail
 • Ticket (15,000 JPY) is required to attend the banquet event

Package for Student registration includes
 • Conference kits
 • Attending all Scientific program
 • Lunch and coffee break
 • Welcome cocktail
 • Ticket (15,000 JPY) is required to attend the banquet event

Purchase of Accompany Program and Optional Items
Additional items may be purchased with the participation fee from the registration page.
Don't miss out on the opportunity to purchase additional event tickets!  The due date is April 30th.

If you have already purchased your registration tickets without the additional options and would like to do so now, click the link below to purchase them separately.

Reception Information
The reception will be held on May 20th at the Panasonic Center across from the conference venue. It is included for free for all conference attendees. Doors open at 16:30 for check-in and the Reception Ceremony begins at 17:00. Come join us for free food and drinks and take advantage of the early check-in for the conference and skip the line on Day 1!

If you have any questions regarding these purchase options, feel free to contact us at iaqvec2023@gmail.com.


IAQVEC 2023, the 11th international conference on indoor air quality, ventilation & energy conservation in buildings, will be held in Tokyo, May 20-23, 2023.

IAQVEC is short for Indoor Air Quality, Ventilation and Energy Conservation in Buildings. The first IAQVEC conference was held in Montreal in 1992. The conferences cover a wide range of key research areas with the goal of simultaneously improving indoor environmental quality (IEQ) and energy efficiency enhancing wellbeing and sustainability.

Entry to Japan
If you require Visa to enter Japan, please click below.

Call for Papers
• Categories
  1. Indoor Environmental Quality (IEQ), Human Health, Comfort and Productivity
  2. Ventilation and Airflow in buildings
  3. Energy Efficient and Healthy HVAC systems
  4. Nearly Zero Energy Buildings and Smart Energy Community (Micro to Macro-Scale)
  5. Outdoor Thermal Environments and Impacts of Heat Island Phenomena

• The committee of IAQVEC established the following awards.
  1. Best paper overall
  2. Best student paper
  3. Best student poster

• Submission Guidelines
  The abstract should be 250-350 words long.
  Click to download the abstract template

  The full paper should be at least 4 pages and a maximum of 8 pages in the only provided format.
  Click to download the Full paper template

General Chairs of IAQVEC 2023
Professor Ryozo Ooka , PhD, The University of Tokyo
Professor Shin-ichi Tanabe, PhD, Waseda University

   • Call for Abstract: January 1 2022
   • Abstract Deadline: August 15 2022
   • Full Paper Deadline: December 25 2022
   • Registration Start: January 1 2023
   • Final Paper Submission: February 28 2023
   • Early Bird Deadline: March 15 2023
   • Conference: May 20–23 2023



Sponsor Journals


Financial Sponsors








Contact Address: iaqvec2023@gmail.com