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 areas of focus include heat transfer, fluids, thermodynamics, mechanics, chemistry, nano-technology, and power electronics. Mainstream’s partners include DoD, NASA, DOE, DOT, EPA, NIST, USDA, and various commercial industry leaders.

Qwik Products

The QwikProducts line of HVAC/R parts and accessories has been an industry leader for decades. All QwikProducts are designed with the technician and homeowner in mind, and are 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.

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 for free, take the course for free, and take the chapter exams. 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.

Fix My A/C

Fix My A/C is a toolkit to help the consumer 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 cook stove. We developed this cook stove to reduce cooking related indoor CO emissions across the developing world. The benefits of our efficient and mobile biomass cook stove also translate to the outdoor recreation market.