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Learn about Heat Recovery Ventilator [HRV]

Heat Recovery Ventilator [HRV]

An Heat Recovery Ventilator (HRV) is a mechanical ventilator that exchanges stale indoor air with fresh outdoor air and transfers heat from one air stream to the other. The pre-heated or pre-cooled, fresh outdoor air is then circulated throughout the house. They are similar to Energy Recovery Ventilators (ERVs), which transfer both heat and moisture.

Consider Energy Star rated models first - this means, models that have lower energy usage and higher sensible efficiency in the heating season.

There are three ways an HRV can be integrated into your home, especailly if you already have a central heating system:

Maintenance considerations:

In a well-sealed and insulated home, an HRV is effective at recovering a large percentage of heat that would otherwise be lost to the outdoors during winter months. HRVs are ideal in retrofits just as much as new builds, especially when air sealing and insulation upgrades have made the building envelope tighter. If the home is prone to condensation or other indoor air quality problems, or poor air flow, an HRV may be a good option to consider.