Heat Recovery Specialists

A commercial heat exchanger created in the lab to work in the real world.

Traditional heat recovery systems are not designed to cope with the dirty air they process. We went back to the drawing board and developed a commercial heat exchanger that can.

DexThermic®

DexThermic is a Dirty Air Heat Exchanger (DAHX)® with a unique design, developed from scratch using state-of-the-art computational modelling techniques, analytical methods, experimental validation and engineering manufacturing techniques… a challenging, in-depth, scientific process to produce a commercial heat exchanger that, quite simply, works as hard as you do.

Created for installation within contaminated air extract systems, DexThermic recovers waste heat from processes where conventional heat recovery methods foul up and are prone to failure.

Features

Highly
Refined

Six years in development. Product of an extensive UKRI research project.

Modular
design

Can be combined in a variety of configurations to suit your needs.

Precision
engineered

Our uncompromising commitment to quality ensures longevity and reliability.

Replacement
parts

Core technology allows individual part replacement with minimal disruption.

Explore some of the DexThermic components below:

FRONT

BACK

DexThermic unit with the drawer open

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2

3

4

5

6

DexThermic unit viewed from the rear with the CAU open

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How Does DexThermic Work?

The DexThermic product range is specifically designed to provide heat for:

Discover the exceptional benefits of installing the DexThermic DAHX commercial heat exchanger:

Seamless Retrofit: Designed for hassle-free installation into existing extract systems, our heat exchanger minimally affects specific fan power requirements.
Low Air Pressure Drop and Enhanced Air Flow: it features a low air pressure drop design with an increased air passage ratio. This minimizes physical obstructions in the air stream, allowing for optimal heat transfer.
Optimised Heat Transfer: The DexThermic DAHX promotes heat transfer through the creation of complex turbulent flow regimes. This stimulation occurs both externally and internally on the recovery surface, resulting in optimised heat transfer and improved resistance to fouling.
Fouling Resistance: The recovery Fin Panels are equipped with a cushion of air that encourages particulate matter to stay away from the surface, reducing fouling and ensuring long-lasting performance.

A conventional commercial heat exchanger tends to clog up and fail over time. To solve this problem, Dext went back to the drawing board, and back to university.

The state-of-the-art Fluid Fin Panel (FFP) array is a product of critical thinking, scientific method, validation and extensive testing.

We reimagined the fin and tube heat exchanger by removing the tubes and enabling the fins to carry the heat transfer fluid.

Explore a real life example of DexThermic in action.

Our Core Technology

We carefully balanced the trade-offs between heat transfer rate, pressure drop, and overall surface area to create our unique Fluid Fin Panel (FFP) array. By applying fundamental principles of physics and design found in Tube Coil and Finned Tube Coil Heat Exchangers, we developed a solution that reduces fouling and particle resistance on the air-side.