Software
NEW SOFTWARE RELEASE: BREEZE AERMOD VERSION 14.0
BREEZE AERMOD Version 14, which includes the latest US EPA AERMOD 26135 executable among other updates, is now available for download.
If you are a BREEZE AERMOD user with valid maintenance, simply login to your account to access the latest version from the Software Downloads tab. Make sure to uninstall the older version on your computer first. If your maintenance has expired, contact us at breeze@trinityconsultants.com to renew.

Advanced EHS Software Solutions
For nearly four decades, BREEZE Software has delivered industry‑leading environmental, health, and safety (EHS) software trusted by professionals worldwide. Our solutions support air dispersion, fire, and explosion impact assessments, as well as robust emissions calculations. Today, more than 4,000 EHS professionals across 90+ countries rely on BREEZE Software to meet regulatory requirements and make informed, data‑driven decisions.
Air Dispersion
Data Analysis
Explosion
Hazard
Health Risk
Tanks/Terminals
BREEZE EHS Services
Meteorological and Terrain Data
Our experts provide high‑quality meteorological and terrain datasets for locations worldwide, processed and delivered in a variety of model‑ready formats, including AERMOD‑ready and CALPUFF‑ready, to streamline and enhance your EHS modeling efforts. All datasets undergo a comprehensive review by an American Meteorological Society (AMS) Certified Consulting Meteorologist (CCM).
High Speed Modeling Services
Accelerate your modeling project workflow by leveraging additional computing cores on your local machine using BREEZE AERMOD Parallel, or by submitting runs to our web-based high‑speed modeling system to free up your workstation while our powerful infrastructure efficiently processes your AERMOD runs.
Specialty Modeling Services
BREEZE offers expert environmental, health, and safety modeling services backed by decades of technical leadership. Our deep expertise comes from developing the very modeling tools used by thousands of EHS professionals worldwide.
Custom Development Services
We design and deliver custom Windows‑based and cloud‑based software solutions tailored to your EHS needs. By combining air quality expertise with advanced software engineering, our team develops efficient, high‑quality applications that solve complex EHS challenges.
Training Courses
For decades, BREEZE has delivered highly regarded off‑the‑shelf and customized, online and in-person EHS training courses worldwide. Our programs emphasize core principles and real‑world application, featuring hands‑on exercises using BREEZE Software that range from introductory to advanced levels.
Software Resources
Access a rich library of technical resources, including software tips, articles, presentations, white papers, videos, product brochures, and service sheets. Our resources are easily searchable and filterable to help you find exactly what you need.
Global Partners
Our trusted BREEZE Global Partners provide local expertise and support for software purchases and technical questions. Connect with a partner today for personalized assistance in your region.
Software Support Services
Every BREEZE software purchase, with the exception of BREEZE ESP+ TankESP LT, includes access to our expert Support Team whose combined expertise spans the science behind our software and the code that powers it, so you get fast, knowledgeable answers from day one. Visit our Support page to learn about maintenance and support agreements, browse FAQs, and view product-specific release notes.
BREEZE Software Solutions
From air dispersion, fire, and explosion modeling software programs to an advanced cloud‑based emissions calculation platform, BREEZE Software provides a wealth of solutions to help you achieve your EHS goals.
- Air Dispersion
API SANGEA

API SANGEA is the electronic greenhouse gas (GHG) emissions calculations tool for the natural gas and oil industry
- Data Analysis
BREEZE 3D Analyst

Analyze and visualize model results plus meteorological and terrain data
- Air Dispersion
BREEZE AERMET

Process meteorological data for locations worldwide for input into the U.S. EPA AERMOD air quality dispersion model
- Air Dispersion
BREEZE AERMOD

Model air quality impacts due to industry emissions for permitting and planning purposes
- Air Dispersion
BREEZE AERSCREEN

Worst-case screening model based on U.S. EPA AERMOD air quality dispersion model
- Air Dispersion
BREEZE CALPUFF

Long range puff model for complex terrain and meteorological conditions
- Data Analysis
BREEZE Downwash Analyst

Intuitive building downwash analysis tool for AERMOD
- Tanks/Terminals
BREEZE ESP+

Cloud-based multi-source emission calculation tool
- Explosion
BREEZE ExDAM

3D explosion consequence modeling suite for calculating structure damage and personnel injury from high explosive and vapor cloud explosions
- Hazard
BREEZE Incident Analyst

Comprehensive accidental release and consequence modeling application featuring 12 industry-standard toxic dispersion, fire, and explosion models
- Hazard
BREEZE LFG Fire/Risk

Accidental LFG and LNG release modeling application
- Data Analysis
BREEZE MetView

Meteorological data analysis and visualization tool
- Health Risk
BREEZE Risk Analyst

Advanced human health risk assessment add-in for Esri ArcGIS®
- Air Dispersion
BREEZE ROADS

Predict air quality impacts from moving and idling motor vehicles
- Air Dispersion
BREEZE SCREEN3

Screening model based on ISC3 model
- Tanks/Terminals
BREEZE TankESP

Predecessor of BREEZE ESP+
- Explosion
BREEZE VASDIP

Compute vulnerability parameters of structures and human body components from explosion impacts