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Commercial Products

We’re experts at designing and manufacturing commercial fans, fan arrays, fan sections, and coils. Whether you are looking for expedited lead times or a product for an unusual application, Mainstream’s flexible and innovative designs are sure to suit your needs.

Contact us to discuss your needs with an expert. 

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★★★★★

“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

Commercial Products

Mainstream offers the highest quality products for your commercial space. Whether you require fans or coils, fan arrays or AHU sections, we have you covered. Our products are ideal for a wide variety of commercial applications including hospitals, athletic facilities, educational institutions, and government buildings to name a few. 

Choose Mainstream when reliability, efficiency, and ease of installation are a priority. We’re specialists in ensuring your commercial HVAC needs are met with N+1 redundant solutions.

CDP Plenum Fan

The Cube Direct Drive Plenum Fan design offers powder-coated, welded steel frames for heavy-duty commercial and industrial applications. The cube design is made to be stacked in arrays of any size and arrangement.

UDPT Plenum Fan

The Universal Direct Drive Plenum Fan is made using solid galvanized steel tubing with bolted construction and is an ideal cost-effective solution for medium and light-duty applications. Useful in both horizontal and vertical airflows, both upflow and downflow.

BDP Plenum Fan

The Base Direct Drive Plenum Fan features a galvanized steel and welded construction base.

BDPL Plenum Fan

The Base Direct Drive Plenum Lightweight Fan features a galvanized steel and bolted construction base.

CDA Axial Fan

The Cube Direct Drive Axial Fan features powder-coated, welded steel frames for heavy-duty commercial and industrial applications. The cube design is made to be stacked in arrays of any size and arrangement.

UDA Axial Fan

The Universal Direct Drive Axial Fan features powder-coated, welded steel frames for heavy-duty commercial and industrial applications.

IntelliCUBE

The IntelliCUBE design is a great solution for larger fans, greater flows, and higher pressures. The array features a welded, structural steel frame, designed for stacking 6 or more fans high. The cubes are easily installable and are powder-coated for protection. The array ships factory-tested with a power distribution panel for single-point power and control.

IntelliCUBE DW

The IntelliCUBE DW is a double-width, double-inlet fan array (DWDI). This is a great option for replacing DWDI housed fans. The cubes are enclosed and secured back-to-back, and there is an open side that can connect to the existing supply duct discharge.

IntelliWALL

The IntelliWALL features a distinct bulkhead design. This is a great solution for retrofitting smaller air handling units. The array is supplied with galvanized steel panels that bolt together to form the bulkhead, and the fans ship loose to be bolted on the bulkhead in the field.

Air Handling Unit Fan Sections

The MLR Series is a semi-custom commercial fan section that incorporates many of our innovative designs into your existing air handler, while the MLRa Series is entirely customizable. Our commercial fan sections are designed to give you full access to the components that frequently need servicing, feature sections that are easy to install and fit through doorways, and boast impeccable energy cost savings.

Hot Water Coils

Hot Water Coils are available with a wide array of tubing and fin-type options. Expedited delivery is available.

Steam Coils

Standard Steam and Non-Freeze Steam Coils with optimized tube sizes for ideal steam distribution.

Chilled Water Coils

Chilled Water Coils are available with a wide array of tubing and fin-type options. Expedited delivery is available.

Evaporator (DX) Coils

DX or Evaporator Cooling Coils are available with custom circuiting and construction for use with any refrigerant.

Split Core Coils

Split Core Coils are available in standardized sizes, are in stock, and are ready to ship.

Condenser Coils

Condenser Coils for all applications are available with advanced corrosion-resistant coatings for improved durability.

Coilboxes

Insulated Coilbox Cabinets include a drain pan and greatly simplify installation.

Tube Bundles

Mainstream offers direct replacement heat exchangers and tube bundles for nearly all major manufacturers.

The Fastest Lead Times in the Industry

Mainstream will quickly deliver fans and coils to your door without delay. 

Easy to Install

Exact match coils and modular fan systems make installation a breeze. 

Experts at Delivering Exactly What You Need

Let us do the coil measuring and run fan selections for your next project. 

What They’re Saying

“

Thanks, you guys have been great to work with and all of the coils we get from you guys are RIGHT! May not seem hard to you guys, but believe me we have been looking for a dependable coil vendor for a long time!

WW Gay Mechanical ContractorVice President
“

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
“

Sorry for the delayed response but I wanted to reach out to both of you to say thanks. The coil arrived on time as planned and fit all of the size requirement challenges we had, the installation went very well. Consider us a very happy customer and you will be in my sights for sure on the next job

Harvard UniversityMaintenance Supervisor
“

Thank you so much for your help, you made us look like heroes to our customer, and anytime you can do that it is a good feeling. The guys were so impressed how the coil was an exact match. Thanks again and we will always keep you in mind

Granite State Plumbing & HeatingAccount Manager
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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.

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

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

HVAC Systems SupervisorLackland Air Force Base
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The installation went well and coil(s) fit perfectly! I appreciate you coming to the site and making sure the measurements were accurate!

Account ExecutiveSiemens

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