Efficient HVAC Coil Solutions

Mainstream representatives can carry out field measuring services to ensure that replacement coils will exactly match existing ones. Our unmatched coil knowledge comes with being a leader in the HVAC industry for 30 years.

Contact us for an onsite visit, or get a fast quote.

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★★★★★

“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

Types of Coils

If you need custom replacement HVAC coils or replacement tube bundles, you need only send us the information associated with your heat exchanger or HVAC system. We can then provide you with a quote for a replacement that meets or even exceeds the quality of the original manufacturer’s coils.

Mainstream’s outstanding responsiveness, along with our experience and extensive knowledge of coils, makes us your best option for all your coil needs. Here you can find our wide selection of replacement HVAC coils and heat exchanger replacement tube bundles.
Hot Water Coils are available with a wide array of tubing and fin-type options. Expedited delivery is available.
Standard Steam and Non-Freeze Steam Coils with optimized tube sizes for ideal steam distribution.
Chilled Water Coils are available with a wide array of tubing and fin-type options. Expedited delivery is available.
DX or Evaporator Cooling Coils are available with custom circuiting and construction for use with any refrigerant.
Duct Reheat Coils are available in standardized sizes, are in stock, and are ready to ship.
Condenser Coils for all applications are available with advanced corrosion-resistant coatings for improved durability.
Industrial Coils are engineered to be tough, utilizing high-grade materials and a heavy-duty design for high-demand applications.
Insulated Coilbox Cabinets include a drain pan and greatly simplify installation.
Mainstream offers direct replacement heat exchangers and tube bundles for nearly all major manufacturers.

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 manufacturers.

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

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

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

General ManagerTrotter and Morton

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

HVAC Systems SupervisorLackland Air Force Base

Frequently Asked Questions

Do you offer onsite services?

Yes, Mainstream is happy to measure your coil to guarantee the provided replacement is an exact fit.

How long does it take to get a quote?

After a quote request is received, you will be contacted to discuss the details of your request. Mainstream will return a quote within one business day, and in as fast as ½ hour in an emergency.

Do you have a coil warranty?

All Mainstream coils are covered under a 1-year warranty.

What are your coils typically manufactured out of?

Coils are most commonly made of copper tubing and aluminum fins, but different materials and coatings are available for specialized applications.

Where are coils manufactured?

All Mainstream coils are USA-made.

Are Mainstream coils AHRI certified?

Yes, Mainstream coils are AHRI certified.

What experience does Mainstream have working with coils and HVAC systems?

Mainstream has been working with coils and air-handling equipment since 1992. February 2022 marks 30 years in business.

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