Environmental Power Unit™

The epu™ offers versatile options with different sizes, available for under the sleeping berth or external installation. Enjoy cleaner air and wake up with a smile, thanks to comfortable sleep without idling, fuel waste, or noise.

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About Us

Fortified Energy Systems INC.

Fortified Energy Systems, Inc. is the visionary force behind the epu™ Environmental Power Unit. With a deep-rooted experience in developing and delivering cutting-edge energy solutions, we specialize in large-scale solar and microgrid systems. Our team is dedicated to driving the green future by developing, testing, and manufacturing innovative technologies that pave the way for a more sustainable world. The epu™ is the latest testament to our commitment to energy innovation, designed to meet the needs of today’s trucking industry while reducing environmental impact.

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Quick and Easy Installation

The epu™ is designed for simplicity, with installation taking only about 3 hours—no mechanical skills required. With no need for alternator or engine connections, the process is straightforward and efficient.
Maintenance-Free Reliability

Unlike traditional APUs or other electric systems, the epu™ is virtually maintenance-free. Designed for longevity and reliability, enjoy hassle-free operation and optimal performance without the need for frequent maintenance.
Fuel and Mechanical saving

Efficiency That Pays Off. With the epu™ , you save 1 gallon of diesel fuel per hour when your truck is not in motion, leading to an average monthly savings of $750 - $1000. Additionally, by reducing engine idling, you prevent costly wear and tear, significantly lowering maintenance expenses.