International Institute of Ammonia Refrigeration  Conference

About The Annual IIAR Natural Refrigeration Conference & Expo 

Our Conference is the largest exposition dedicated to the ammonia and natural refrigeration industry. We provide an unrivaled opportunity for the industry's leading manufacturers, contractors, trainers, and other service providers to showcase their latest innovations and products. With over 1,700 in attendance last year, this is a perfect chance to network and collaborate with some of the greatest minds in the natural refrigeration community.

Upcoming Events

International Institute of Ammonia Refrigeration  Conference

More details for the 2023 are available!


Past Events

2022 IIAR Conference
For PDH Credits click here. Presentations are now available, click here.

2021 IIAR Conference

To access the recordings for the 2021 IIAR Natural Refrigeration Conference & Expo Click here . For FAQs for Conference Attendees Click here.

2020 IIAR Online Conference & Virtual Expo

Virtual Event

The 2020 IIAR Natural Refrigeration Conference & Heavy Equipment Expo
The 2020 IIAR Natural Refrigeration Conference & Heavy Equipment Expo March 15-18 in Orlanda Florida was cancelled due to the COVID-19 Pandemic. Refund and Transfer information is availableClick here for more information.


2019 IIAR Natural Refrigeration Conference & Expo

Phoenix Convention Center in Phoenix Arizona

2018 IIAR Natural Refrigeration Conference & Expo

Broadmoor Hotel and Resort in Colorado Springs, Colorado

2017 IIAR Natural Refrigeration Conference & Heavy Equipment Expo

The Henry B. Gonzalez Convention Center in San Antonio Texas

2016 IIAR Natural Refrigeration Conference & Expo

Caribe Royale Hotel and Convention Center

IIAR Conference & Expo Dates
2025 - Phoenix, AZ
March 2-5, 2025
47th Annual Meeting

2024 - Orlando, FL
March 24-27, 2024
46th Annual Meeting

2023- Long Beach, CA
March 12-15, 2023
 45th Annual Meeting

 Heavy Equipment Expo

Call For Technical Papers
Become active in the natural refrigeration community by presenting a Technical Paper or Workshop Program at the Next IIAR Natural Refrigeration Conference & Expo. Learn More.
Affiliate Event