Heat recovery ventilation
(HRV) and energy recovery ventilation
(ERV) systems provide balanced ventilation for homes. In a typical installation, stale air is removed from living spaces, passing through a central unit that reclaims the heat from the exhaust air, and then warms, filters, and humidifies the incoming fresh air. Many systems operate continuously, quietly, and efficiently while maintaining proper ventilation.
Federal, local, or utility programs may offer incentives
for installing certain energy-efficient devices in your home.