HRV Maintenance Chart

Unless otherwise recommended by the manufacturer, service your HRV according to the following schedule. If service or maintenance items not specified below are recommended by the manufacturer, write them into the blank spaces provided.

CAUTION! DISCONNECT ELECTRICAL POWER BEFORE SERVICING YOUR HRV.

Maintenance Required	Recommended	Date Maintenance Performed
Clean or replace air filters	Every 1 to 3 months*
Clean or unblock outside hoods and screens	Every 1 to 3 months*
Inspect and clean heat-exchange core	Every 6 months
Inspect and clean condensate drain and pans	Every 6 months
Service and clean fans	Every 3 to 6 months
Adjust dehumidistat controls	Seasonally
Clean grilles and inspect ductwork	Annually
Check defrost system	Annually
General servicing by a qualified contractor	Annually
Balancing Supply airflow Exhaust airflow	Annually Annually

* You may want to alter this schedule to meet your own needs, depending on the severity of your home's indoor and outdoor environments or the manufacturer's recommendations. More frequent servicing may be required if your home is in a location that is dusty, has high traffic flows, etc.

Contractors	Telephone number

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Source: Natural Resources Canada (NRCan) - Office of Energy Efficiency