WIKA South Africa

Air-handling heat exchanger

Nowadays, most ventilation and air-conditioning systems are equipped with a heat exchanger, whereby their energy efficiency is significantly improved.

The inlet gas/liquid is usually separated from the outlet gas/liquid to prevent mixing, though some systems allow the media to be in contact with each other.

In the air-handling unit the heat exchanger ensures that the heat from the used room air is recovered and returned to the fresh supply air.

Air-handling heat exchanger × 2

Exhaust air (ETA / EHA)

Exhaust air (ETA / EHA)
3

Supply air (SUP)

Supply air (SUP)
1

Outdoor air (ODA)

Outdoor air (ODA)
Air-handling heat exchanger
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