
Enhance productivity and wellness...
...be cost-effective
and energy-efficient...
...say hello to
HMX
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FRESH AIR
conditioning
Breathe healthy with fresh-clean-cool air
Fresh air or ventilation brings health, learning, and productivity benefits for occupants of buildings. After COVID, both science and professional bodies recommend increasing ventilation levels across the board to prevent the spread of respiratory borne diseases. Introduction of fresh air is essential to maintain a low and hence beneficial carbon dioxide level in indoor air, which has many productivity benefits.
How will you increase cool fresh air without multiplying your energy costs?
HMX's expertise in Indirect Evaporative Cooling (IEC) built around the proprietary DAMA® heat exchanger makes fresh and healthy outdoor air affordable and carbon-light.
We can help you meet building ventilation requirements economically by integrating IEC and DAMA® into your new or retrofit HVAC projects.
60%
Less Energy
consumed compared to conventional air-conditioning systems
550+
Customers
9ºF
Better Cooling
compared to conventional fresh air evaporative cooling systems
120
Million CFM
60%
Less Moisture
addition, compared to conventional fresh air evaporative cooling systems
12+
Countries
MEET HMX - A.T.E.

OUR TECHNOLOGY
DAMA is our fouling-resistant plate type heat exchanger – optimized for Indirect Evaporative Cooling (IEC). Its unique design prevents corrosion and scaling. Our solutions have been proven in deployments over more than 15 years. We were finalists for the Global Cooling Prize in 2021, an international innovation competition. We are grant awardees for the IFC TechEmerge Latin America 2021 contest.
If you would like more details about what HMX and DAMA® can do for you, please download a brief overview here.
OUR STORY
A.T.E. is a multifaceted engineering group that offers advanced products and solutions across diverse industrial verticals. A.T.E. has evolved into a leader in sustainability solutions with several proprietary technologies and patents to its credit. Over its 80+ years of experience, A.T.E. has established a reputation for competence and trustworthiness — which reflects in its steadily growing base of customers and long-term business partners.

THE OPPORTUNITY
We have extensive experience in bundling Indirect Evaporative Cooling (IEC) with Direct Evaporative Cooling (DEC) – to create Indirect Direct Evaporative Cooling (IDEC) solutions. If you’d like to upgrade from DEC systems, this is a very interesting value proposition – more cooling with less moisture added! You can find some IDEC information here.
We have deployed many IDEC applications, for example: cooling and ventilation systems at sports arenas, aviation hangers, food processing plants, and manufacturing facilities and warehouses.
There are also many opportunities to use DAMA® with cooling coils or direct expansion systems to save energy, for example in commercial buildings, schools, institutions – anywhere with a DOAS system or coil based. This is the basis for our unique DAMA® TFAs, DAMA® AHUs and DAMA® 3-stage eAHUs.
We’ve simulated the savings possible using DAMA® for a number of cities across the USA, and some of our results can be seen here.
SOME INSTALLATIONS

MEET DAMA®
Let's start a conversation and bring cool fresh air into your environment
Working together is part of our DNA — our parent company A.T.E. has grown through partnerships all through its 85-year history.
We’re looking for sales, service, and manufacturing partners to bring affordable cool, fresh air to their customers in the US. If you are an HVAC company interested in our eco-friendly technology, we would be delighted to talk to you. Our engineering team has deployed DAMA® in many conditions and has the capability you need to use DAMA® most effectively.