Air-to-air heat exchangers are devices used to heat or cool the air of one environment using the air from another. These systems direct the warmed or cooled air from the outside into the interior, maintaining the temperature balance of the environment.

Air-to-air heat exchangers are typically used to ensure energy efficiency, as the heat from the air in one environment is transferred to another with minimal energy loss.

These devices are a key component of air conditioning and ventilation systems and are widely preferred, especially in commercial and industrial settings. Air-to-air heat exchangers manage airflow in ventilation systems while also conserving energy.