HVAC • Energy Recovery Ventilation Systems

Energy recovery ventilation systems transmit energy contained in exhaust air and recycle it to treat incoming outdoor ventilation air.

  Energy recovery ventilation systems offer a controlled method for ventilating a home while minimizing energy loss. During the winter months, warm inside air is exhausted to the fresh, cold supply air in order to warm it. During the summer months, cold inside air is exposed to the warm supply air to cool it. Energy recovery systems are typically sized to ventilate a whole house at a minimum of 0.35 air changes per hour. There are two main types of energy recovery ventilation systems: heat-recovery ventilators (HRV) and energy-recovery ventilators (ERV). The principle difference is in the heat exchanger. The ERV’s heat exchanger transfers some water vapor along with the heat, thereby controlling humidity and preventing freezing. By contrast, the HRV transfers only heat. Leading manufacturers: RecoupAerator by UltimateAir, Lennox, Airxchange, Carrier and Aprilaire.  

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  • Goodman

    Goodman makes residential Heat/Energy Recovery ventilators that meet UL 94 HR requirements and uses washable electrostatic filters, an enthalpy energy recovery core in their ERV or an aluminum heat recovery ventilator core in their HRV.

  • Lennox International Inc

    Lennox makes the Healthy Climate Energy Recovery Ventilator for use in warmer climate regions, helping to reduce indoor humidity without restricting airflow. This ERV has no ozone emissions and has a five year limited warranty. Lennox also makes a heat recovery ventilator for colder climates.