Mainstream was founded in the early 90’s as a family business in North Jersey, manufacturing coils and other HVAC components. Over the past three decades, Mainstream has grown and evolved into one of the leading manufacturers of fan sections and EC Fan Array systems.

Continuous, iterative product development, paired with a steady expansion of production capability and a strong culture of service, has Mainstream positioned for robust growth throughout the next decade.

We are focused on delivering expertly engineered solutions with unmatched speed and responsiveness.

We are a leader in the market for engineered fluid and air equipment. We believe we can do this by understanding both our customers’ needs and the principles that apply to those needs better than anyone else, and providing innovative solutions to those problems.

Mainstream’s core values of knowledge, innovation and integrity are the principles that have propelled the growth of the business, and characterize what clients have come to expect from us.

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What They’re Saying

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

Hanscom Air Force BaseUtility Systems Operation Supervisor

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

Granite State Plumbing & HeatingAccount Manager

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

Debra-KuempelProject Manager

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!

Bailey Refrigeration & Air ConditioningPresident

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

Trotter & MortonGeneral Manager

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

Lackland Air Force BaseHVAC Systems Supervisor

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.

Cold Spring Harbor LaboratoriesAssistant Director of Facilities

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

WW Gay Mechanical ContractorVice President

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.

USMA West Point NYAD, IMES Supervisor

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!

Lincoln Energy Mechanical ServicesService Manager

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

Harvard UniversityMaintenance Supervisor