Over 50 Years Innovating Groundbreaking Products
for the Custom Air Handling Industry
SOLUTIONS

Leadership

Our team brings more than 50 years of combined industry knowledge. We are dedicated to our customer’s needs and have the experience to deliver groundbreaking products.

Flex Air

Learn more about who we are and how we lead in what we do
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Innovation

We are focused on delivering industry leading and energy-efficient, high-performance HVAC systems, from custom air handling solutions to modular systems, fluid pumping systems, and everything in between. Every solution is meticulously engineered to meet and exceed our customer's expectations.

What We Deliver

Learn more about how we innovate every day.
Solutions

Excellence

We deliver the highest quality equipment, the best technical expertise, industry-leading reliability, and support of our products from the first sketch, through delivery, installation, and operation.

Our Work

See how we've delivered excellence for our great customers
See Work
01
Leadership

Our team brings more than just 50 years of combined industry experience. We bring a passion and ...

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02
Innovation

We are focused on delivering industry leading, energy efficient, high-performance HVAC systems ...

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03
Excellence

We deliver the highest quality equipment, best technical expertise, industry-leading reliability …

Read More
Explore Recent Work

World Class Engineering, Manufacturing and Installation

Flex Air Delivers

Our Process

Engineering

Our engineering specialists work hand in hand with our clients to design a system that fits your project needs.

manufacturing

Manufacturing

Our team takes pride in every cut, every weld, and every piece of hardware that goes into the products we produce.

Delivery

We work closely with facility managers and staff to coordinate a seamless and pain-free installation allowing your system to be up and running as quickly as possible.

All Solutions

Flex Air Delivers Every Time

12,000,000

CFM Deployed

138

Total Projects

4,000

Weekly Shop Hrs

250

Employees
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    Get In Touch

    Contact Info

    Phone number

    Tel: 810-373-0322

    Fax: 810-373-0326

    Email address

    FlexAirSales@Millc.com

    Address info

    3070 W. Thompson Rd. Fenton, MI 48430 US