Pioneering the way with Innovative Technology

Mainstream Engineering

Mainstream Engineering® is a thermal control and energy conversion R&D-based manufacturer that focuses on transitioning advanced technology into high-quality and cost-effective products-all made in the U.S.A. Our focus areas include heat transfer, fluids, thermodynamics, mechanics, chemistry, nano-technology, and power electronics. Mainstream’s partners include DOD, NASA, DOE, DOT, EPA, NIST, USDA, and commercial industry leaders.

Mainstream Engineering
Qwik Products

Qwik Products

The QwikProducts HVAC/R parts and accessories line has been an industry leader for decades. All QwikProducts are designed with the technician and homeowner in mind and proudly made in the U.S.A.

EPA Test

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.

EPA Test
Mainstream Marine

Mainstream Marine

Mainstream Marine’s line of boating accessories and biodegradable cleaning solutions provides superior quality products that boat owners love and trust.

Safe Boating Card

Mainstream’s Safe Boating Card website offers a state-approved boater safety certification program. The site allows individuals to study the manuals, take the course, and take the chapter exams free. Participants will receive their safe boating card after they pass the final exam. The course is approved by the National Association of State Boating Law Administrators and recognized by the U.S. Coast Guard.

Safe Boating Card
Fix My AC Today

Fix My A/C

Fix My A/C is a toolkit to help consumers tackle everyday problems with their HVAC Systems. Moreover, our database assists you with finding the right technician in your local area to address complex HVAC problems and get your system up and running again.

Stove Labs

Mainstream Stovelabs is working on a low emission, biomass-fueled cookstove. We developed this cookstove to reduce cooking-related indoor CO emissions across the developing world. The benefits of our efficient and mobile biomass cookstove also translate to the outdoor recreation market.

Mainstream Stovelabs