The fastest lead times in the industry

Mainstream can offer as fast as 24 hour lead times on most coils

Any materials, any specifications

Copper, aluminum, stainless steel, coated, etc.

Get a quote from a model#

We can quote from the model numbers of most major manufactures

Chilled Water Coils

Chill water coils are available on expedited lead times, with a wide array of tubing and fin type options.

Hot Water Coils

Hot water coils are available on expedited lead times, with a wide array of tubing and fin type options.

Steam Coils

Both standard steam and non-freeze steam coils, with tube sizes optimized for steam distribution.

Evaporator (DX) Coils

DX or evaporator cooling coils are available with custom circuiting, and for any refrigerant types.

Condenser Coils

Condenser coils for a wide range of applications are available, with coatings for improved durability.

Duct Reheat Coils

Stocked in many sizes, and otherwise available on shorter lead times thanks to standardized designs.

Industrial Coils

Mainstream coils are available with heavy-duty design and materials to withstand industrial applications.


Mainstream coils are available inside cabinets insulated and with a drain pan, to simplify installation.

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

Where necessary, our own representatives can carry out field measuring services to ensure that replacement coils will exactly match existing.

Had an emergency coil failure?

Send us whatever info or pictures you have, and we’ll let you know if we need any more detail. You can expect a quick response!