Conference registration (payment) is now open!
*Early-bird registration rates end on 15th March

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

Purchase of Accompany Program and Optional Items
Additional items may be purchased with the participation fee from the registration page.

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.

If you have any questions regarding these purchase options, feel free to contact us at


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



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