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Energy recovery and heat recovery ventilators move stale indoor air outdoors while delivering fresh air to the interior of the building. Energy recovery ventilators like the COR ERV reduce humidity while heat recovery models conserve heat.

View the Carrier IAQ Consumer Brochure


First, make sure you know the type of unit you have—the serial number will have the letters ERV (Energy Recovery Ventilator) or HRV (Heat Recovery Ventilator).


Vacuum every three (3) months to remove dust that would inhibit energy transfer. Don’t use water. The core should only serviced when it’s dry and outdoor temperatures are between 60° F/16° C and 75° F/25° C.


Wash once a year and handle with care. Soak the core in warm water and mild soap for three (3) hours and then rinse throughle under warm (not hot) water.

Filters in your ventilator are washable and should be cleaned every three (3) months. Use a vacuum cleaner to remove accumulated dust and then hand-wash in warm (not hot) water.

Regularly check the screen on the exterior intake hood and clean as necessary.

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