Lepido by Enjay - a Heavy Duty heat exchanger

Lepido – Profitable energy recovery from restaurant ventilation

Lepido by Enjay is a heavy-duty heat exchanger for restaurant ventilation. It makes it not only possible, but also profitable, to recover energy that is currently being wasted.

Restaurant ventilation offers a very challenging environment for energy recovery due to extreme levels of grease and soot. Lepido is designed to endure and deliver in this extreme environment without any need of filtration. There is no extended need of service to sustain the ability to recover energy.

The patented technology is focused on two main functions

Aerodynamics function with the main task to maintain the original air pressure drop and the thermodynamic function with the main task to maintain the heat recovery in an efficient and optimized way.

Aerodynamic functions:

Compared with traditional heat exchangers Lepido has an increased size by 10% in width and 300% in length. This enables a spacious and patented geometry of the recovery coils called Particle Repellent Geometry (PRG).

The result is a unique airflow where most of the impurities pass right through the heat exchanger without getting stuck to the coils. And even if a coating of grease and soot has formed on the coils, the impact on pressure drop is very low thanks to the patented configuration.

Thermodynamic functions

Lepido is coil-based with 100% counter current and multiple fluid patterns which enables optimized temperature difference and high efficiency. The coils offer the same heat transfer surface as a traditional solution.

The result is an optimized energy transfer and sustained ability to recover energy – even if a coating has formed on the coils.

There is no need of extended service to sustain Lepidos ability to recover energy.

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