IntelliCUBE EC Fan Arrays

About Mainstream Fluid & Air

Air Handling Equipment Manufacturer

Mainstream is a premier air handling equipment manufacturer that designs custom-engineered air handling units, EC fan arrays, replacement coils, and more.

We’re at the forefront of a quickly-evolving industry, where our innovation and agility has given us an edge. We pride ourselves in our ability to leverage our knowledge and expertise to find solutions for our customer’s air handling needs.

We are an air handling equipment manufacturer dedicated to constantly evolving, growing our knowledge base, and pioneering low-maintenance air handling systems for a wide variety of different facility types, including critical environments, government facilities, data centers, and more.

We can retrofit your existing air handling units or create a custom air handling unit for you.

Key Products

What They’re Saying

Hanscom Air Force BaseUtility Systems Operation Supervisor

Thank you for the quick turnaround. It is great to know there are companies out there that we can count on.

Granite State Plumbing & HeatingAccount Manager

Thank you so much for your help. The guys were so impressed how the coil was an exact match.

Debra-KuempelProject Manager

I can't imagine a world where every vendor got their stuff back as fast as you do. Thanks a bunch.

Bailey Refrigeration & Air ConditioningPresident

Got it on time! Build with obvious quality! Shipped in perfect condition! We’re not used to this but we could get to liking it!

Trotter & MortonGeneral Manager

It’s been a long time since I’ve experienced service like the entire Mainstream team provided on this order.

Lackland Air Force BaseHVAC Systems Supervisor

If you utilize them, you won’t be disappointed, great communication, good customer service, very good product.

Cold Spring Harbor LaboratoriesAssistant Director of Facilities

Mainstream equipment is built to a very high standard while being competitive in pricing. Staff have been responsive and helpful in making equipment selections and offering solutions to difficult projects.

WW Gay Mechanical ContractorVice President

Thanks - you guys have been great to work with and all of the coils we get from you guys are RIGHT!

USMA West Point NYAD, IMES Supervisor

We have had no problems at all with the fit of the custom built replacement coils that we have purchased. They have all fit perfectly. Customer service has also been excellent.

Lincoln Energy Mechanical ServicesService Manager

I just wanted to let you know that my guys changed out that steam coil last night. They said that the coil was a perfect fit and the swap out could not have gone any better because of that. Thanks for your help!

Harvard UniversityMaintenance Supervisor

The coil fit all of the size requirement challenges we had and installation went very well. Consider us a very happy customer!