“Mainstream’s core purpose is to research, develop, and manufacture the most exemplary thermal control and energy conversion products globally.”

Robert P. Scaringe, Ph.D., P.E.

What We Do

What We Do

Research &

Innovating, Designing,
and Prototyping

Mainstream focuses on applying advanced thermal control and energy conversion technology to develop cutting-edge military and commercial products.

Areas of expertise include complete thermal control systems, energy conversion devices, heat transfer, fluid flow, thermodynamics, mechanics, chemistry, materials, nanotechnology, and new emerging technologies.

Government &
Military Products

Products for Military end-
users and system integrators

ECUs/Refrigeration – Mainstream’s line of military Environmental Control Units, Modular Refrigeration Units, and Mobile Refrigerated Container Systems are custom-designed and ruggedized for austere environments.

Power Converters – Mainstream provides high power density solutions for AC/DC, DC/DC, DC/AC, and variable frequency control.

Engines/Generators – Mainstream’s purpose-built diesel engines and electrical power generators are the lightest weight and most power-dense systems on the market.


Wholesale and
Consumer Offerings
HVAC Products – Mainstream’s QwikProducts® line of heating, ventilation, and air conditioning products brings advanced technology to technicians and homeowners.
A/C Certifications – Mainstream is an EPA-approved certifying agency for Section 608 Type I, II, III, and Universal exams and Section 609 Motor Vehicle A/C certification.  Additional certifications offered include R-410A, IAQ, PM Tech, Green, and HC/HFO.
Recreational Boating – Mainstream offers a variety of products and services for recreational boating, sailing, and marine applications.
Why Us

How We Do It

Thermal Control

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Energy & Sustainability

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Power Electronics

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Materials Science

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By the Numbers

Turning Innovation & Ingenuity Into Reality

Numbers Speak For Themselves!

48 +
Patents Approved
8 +
Military Products Developed
58 +
Commercial Products Developed

Our Partners & Clients