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Heat Recovery and Energy Recovery Ventilation Systems
Heat recovery ventilation (HRV) and energy recovery ventilation (ERV) systems qualify for a tax credit. They provide balanced ventilation for homes on a continuous (or semi-continuous) basis without the energy loss associated with other ventilation strategies.
Typically, a trained heating, ventilating and air conditioning technician designs and installs these systems. Both typically collect stale air from kitchens and bathrooms and exhaust it outside. At the same time, fresh outdoor air is filtered, warmed by heat transferred from exhaust air, then delivered to bedrooms or main living areas. 
Energy recovery systems offer an additional benefit: They transfer moisture between incoming and outgoing air flows to help maintain healthy humidity levels indoors.
Heat Recovery Ventilation and Energy Recovery Ventilation
Please note:
This PDF form may be filled out on your computer, printed, signed and mailed with your receipt to the Oregon Department of Energy. The form can NOT be filed on-line.
Use the links below to calculate the estimated tax credit amount.
The tax credit for ventilation systems purchased prior to January 1, 2013 is the amount listed on the Department of Energy qualifying equipment list or 25 percent of the net purchase price, whichever is less.  Prior to January 1, 2013, HRV and ERV systems purchased must:
    • Have a maximum EUI of 1.5 watts/CFm at the lowest fan speed for which performance data is published in the Home Ventilating Institute directory. 
    • Large HRV and ERV between EUI .75 and 1.5 receive a $220 credit 
    • Small HRV and ERV between EUI .75 and 1.5 receive a $150 credit 
    • Large HRV and ERV below EUI .75 continue to receive $430 credit 
    • Small HRV and ERV below EUI .75 continue to receive $300 credit