Exhaust and supply in return – Good

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Exhaust and supply in return – Good

When using this application make sure that there is minimum 6 feet between the fresh air and exhaust air connections of the HRV or ERV in the return air duct.
Supply air from HRV or ERV must be at least 3 feet from the forced air system. Can be different from a region to another. You should check with your local code or the forced air system’s manufacturer.

CAUTION

  • The HRV and forced air system must be in continuous mode, to achieve maximum comfort and to avoid cross-contamination.
  • Due to temperature differential between unconditioned areas and the rest of the dwelling, all ducts must be fully insulated.
  • The unconditioned areas temperature must always be above 0°C (32°F).

NOTES

  • Fresh air must always be down-stream from the exhaust air in the return air duct of the forced air system.
  • Installation of an HRV/ERV is not recommended for unconditioned areas (attic or crawlspace)
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