Fresh air appliances

Thanks to space-age technology, your home can keep the inside in and outside out more efficiently than ever before. But locking the fresh air out is a bad idea. Heat and Energy Recovery Ventilators (HRVs/ERVs) allow you to bring it all in without sacrificing the energy your home worked so hard to produce.

Airflow Range at 0.4" in.wg. (cfm)
Airflow Range at 0.4" in.wg. (cfm)
Up to 252Up to 300Up to 130Up to 82
Duct Connection
Duct Connection
TopSideSideSide
Recovery type
Recovery type
HeatHeat or EnergyEnergy-
SRE at 32ºF
SRE at 32ºF
Up to 84%Up to 75%Up to 77%-
Fan Efficacy at 32°F
Fan Efficacy at 32°F
Up to 3.0Up to 1.3Up to 2.2Up to 1.1
Defrost Cycle
Defrost Cycle
RecirculationSupply Fan ShutdownSupply Fan Shutdown-
Fresh air appliances








































Residential HRVs/ERVs

The home climate is not constant. Instead, it depends on multiple factors, such as room moisture, CO2 saturation, room size, number of occupants, and how long they stay there.

All these factors are fulfilled with a correctly sized heat or energy recovery ventilator. The system is perfectly tailored to your requirements, whether it’s a new build or a retrofit project.

HERO® Series - HRVs

These products are our premier option for your balanced ventilation needs. They are top-ported and have a counterflow heat exchanger to enable high recovery rates (up to 82%). HERO Series of Heat Recovery Ventilators (HRVs) recovery ventilators are ideal for single- and multi-family homes.

ATMO Series - HRVs and ERVs

These products offer balanced ventilation in a side-ported housing with a cross-flow core to provide exceptional performance (up to 75% heat/energy recovery). ATMO Series of Heat and Energy Recovery Ventilators (HRVs/ERVs) are ideal for single-family homes.

FIT® Series - ERVs

These products are side-ported and are only 10" deep when installed, making them a perfect balanced ventilation solution. FIT Series of Energy Recovery Ventilators (ERVs) use a cross-flow core and are available with multiple options to help you with all your multi-family application needs.

VHR Series - HRVs

These products bring balanced ventilation to a whole other level with the signature Air Boost Mode (available only with the FLEX® 100H). The VHR Series of Heat Recovery Ventilators (HRVs) provide superior heat transfer capability with the aluminum, crossflow core and can be used in single- and multi-family homes.

VER Series - ERVs

These top-ported, balanced ventilation products use energy recovery and are best suited for budget projects. The VER Series of Energy Recovery Ventilators (ERVs) use a cross-flow core that can be used in single- and multi-family homes.