Heat Exchangers | Heatex

Air-To-Air Heat Exchangers

Rotary & Plate Heat Exchangers

Heatex quality air-to-air heat exchangers are custom-made and designed to match the customer’s technical specifications. There are two categories of air-to-air heat exchangers, rotary and plate heat exchangers. The plate heat exchangers are further divided into cross and counterflow exchangers due to their different airflow configurations. Depending on the application, rotary and plate heat exchangers have their own distinct advantages.

Rotary Heat Exchangers Plate Heat Exchangers
Low risk of freezing Very low leakage rate
Humidity transfer No moving parts
Leaving a small footprint in air direction Minimal service and long lifetime
High flow rate capacities Rapid and easy cleaning
Rotary Heat Exchangers
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Crossflow Heat Exchangers
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Counter Flow Heat Exchangers
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Rotary Heat Exchangers
  • Provide both high sensible and latent efficiencies of up to 90%.
  • Offer a very low freezing risk as to the wheels by definition defrost themselves.
  • Allows for latent transfer or increased corrosion protection when coated.
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Crossflow Heat Exchangers
  • Up to 90% efficiency with very low cross-contamination.
  • Minimal service and a long lifetime thanks to strong aluminum plates and the absence of moving parts.
  • Rapid and easy cleaning.
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Counterflow Heat Exchangers
  • Cooling capacities up to 630 W/K.
  • Minimal service and a long lifetime thanks to strong aluminum plates and the absence of moving parts.
  • Compact and flexible design to ease implementation in various applications.
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Certified Performance

Our products always comply with standards, always perform according to (or even exceed) codes and specifications. Heatex holds several certifications covering product and operation quality worldwide, e.g. EuroventAHRI, and TüvSüd. Our products are field-tested and designed to comply with all relevant building codes and regulations. We frequently send our products to independent labs worldwide for inspection and we have our own in-house test rig to regularly evaluate product performance.

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Why an Air-to-Air Heat Exchanger?

In today’s rapidly changing climate, finding energy-efficient solutions for heating and cooling is more important than ever.

To minimize the energy consumption of thermal air treatment, an energy recovery system (ERS), also called a heat recovery system (HRS), should be applied.

An air-to-air heat exchanger, also known as an air exchanger or heat recovery ventilator (HRV), is a device that allows for heat transfer between two separate air streams.

By pre-conditioning the incoming air, air-to-air heat exchangers reduce the heating and cooling loads on HVAC systems.

Both plate and rotary heat exchangers can recover up to 90% of the heat that would otherwise be lost through ventilation and offer a cost-effective and energy-efficient heating, cooling, and ventilating solution.

Plate heat exchangers also enable reliable and energy-efficient cooling of enclosures with a heat-emitting process, such as sensitive electronics, electrical motors, and generators. Thanks to fully separated channels, the airflows never mix, creating a closed-loop system.

Air-to-air heat exchangers are extremely versatile and easy to maintain. The strong aluminum/steel construction makes this type of heat exchanger very tough and suitable for a wide range of applications.

Air-to-air heat exchangers offer a wide range of benefits that make them attractive. Some of these benefits are:

  • Energy efficiency

These devices reduce the energy needed to heat or cool the incoming air by recovering and reusing the heat from the outgoing air, leading to substantial energy savings and lower utility bills.

  • Improved indoor air quality

These devices help remove pollutants, allergens, and odors from the living spaces by exchanging stale indoor air with fresh outdoor air.

  • Cost savings

By reducing the energy required for heating and cooling, air-to-air heat exchangers significantly save costs in the long run. While the initial investment may be higher than traditional ventilation systems, the energy savings over time offset this cost.

  • Environmental sustainability

By minimizing energy consumption and promoting energy-efficient practices, these devices help to conserve natural resources and mitigate environmental impact.


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