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Application MapHRV/ERV Ventilators
Severe
Conditions
H
R
V Unit Required
Pacific Conditions
H
R
V Unit Recommended
E
R
V Unit Optional*
Extreme Area** − High Humidity
E
R
V Unit Recommended
Moderate Conditions
H
R
V Unit Recommended
Arid Zone − Dry Climate
H
R
V Unit Required
*E
R
V unit not recommended where temperatures fall below 25ºF (−4ºC) continuously for more
than 5 days.
**ER
V
units are recommended in regions where high outdoor humidity is cause for operating
air conditioning/dehumidification more frequently than heating system.
ARID
ZONE
DRY CLIMA
TE
P
ACIFIC
CONDITIONS
MODERA
TE
CONDITIONS
EXTREME AREA
HIGH HUMIDITY
SEVERE
CONDITIONS