You do not need a new building to add recovery. Most existing AHUs and exhaust systems can accept a retrofit core.
Retrofit paths
- In-line ERV module on the outdoor-air and relief paths.
- Run-around coils when supply and exhaust ducts are far apart.
- Plate core where both streams pass one location.
Watch-outs
- Confirm fan head covers the added pressure drop.
- Check space for the core and access for cleaning.
- Model the saving before committing, see ROI.
Specifying a unit for your project?
EN159 builds plate, rotary, heat-pipe and counterflow air-to-air exchangers for retrofit and new-build duty. Send airflow (m3/h), inlet temperatures and available space and we will size it.
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